buildsys: regen, add ALL gnulib files this time

Signed-off-by: Fabian Groffen <grobian@gentoo.org>

1 files changed, 8366 insertions, 3821 deletions

diff --git a/configure b/configure
index 5f44261..3c89337 100755
--- a/configure
+++ b/configure
@@ -657,8 +657,10 @@ ac_includes_default="\
 ac_header_c_list=
 ac_func_c_list=
 gl_getopt_required=POSIX
-ac_subst_vars='gltests_LTLIBOBJS
+ac_subst_vars='gltests_LIBOBJDEPS
+gltests_LTLIBOBJS
 gltests_LIBOBJS
+gl_LIBOBJDEPS
 gl_LTLIBOBJS
 gl_LIBOBJS
 am__EXEEXT_FALSE
@@ -697,11 +699,56 @@ SED
 LIBTOOL
 LIBGNU_LTLIBDEPS
 LIBGNU_LIBDEPS
+GL_CFLAG_GNULIB_WARNINGS
+GL_CFLAG_ALLOW_WARNINGS
 gltests_WITNESS
+GL_GNULIB_MDA_WCSDUP
+GL_GNULIB_WCSFTIME
+GL_GNULIB_WCSWIDTH
+GL_GNULIB_WCSTOK
+GL_GNULIB_WCSSTR
+GL_GNULIB_WCSPBRK
+GL_GNULIB_WCSSPN
+GL_GNULIB_WCSCSPN
+GL_GNULIB_WCSRCHR
+GL_GNULIB_WCSCHR
+GL_GNULIB_WCSDUP
+GL_GNULIB_WCSXFRM
+GL_GNULIB_WCSCOLL
+GL_GNULIB_WCSNCASECMP
+GL_GNULIB_WCSCASECMP
+GL_GNULIB_WCSNCMP
+GL_GNULIB_WCSCMP
+GL_GNULIB_WCSNCAT
+GL_GNULIB_WCSCAT
+GL_GNULIB_WCPNCPY
+GL_GNULIB_WCSNCPY
+GL_GNULIB_WCPCPY
+GL_GNULIB_WCSCPY
+GL_GNULIB_WCSNLEN
+GL_GNULIB_WCSLEN
+GL_GNULIB_WMEMSET
+GL_GNULIB_WMEMPCPY
+GL_GNULIB_WMEMMOVE
+GL_GNULIB_WMEMCPY
+GL_GNULIB_WMEMCMP
+GL_GNULIB_WMEMCHR
+GL_GNULIB_WCWIDTH
+GL_GNULIB_WCSNRTOMBS
+GL_GNULIB_WCSRTOMBS
+GL_GNULIB_WCRTOMB
+GL_GNULIB_MBSNRTOWCS
+GL_GNULIB_MBSRTOWCS
+GL_GNULIB_MBRLEN
+GL_GNULIB_MBRTOWC
+GL_GNULIB_MBSINIT
+GL_GNULIB_WCTOB
+GL_GNULIB_BTOWC
 HAVE_CRTDEFS_H
 HAVE_WINT_T
 NEXT_AS_FIRST_DIRECTIVE_WCHAR_H
 NEXT_WCHAR_H
+REPLACE_WCSTOK
 REPLACE_WCSFTIME
 REPLACE_WCSWIDTH
 REPLACE_WCWIDTH
@@ -717,6 +764,7 @@ REPLACE_WCTOB
 REPLACE_BTOWC
 REPLACE_MBSTATE_T
 HAVE_DECL_WCWIDTH
+HAVE_DECL_WCSDUP
 HAVE_DECL_WCTOB
 HAVE_WCSFTIME
 HAVE_WCSWIDTH
@@ -743,6 +791,7 @@ HAVE_WCSCPY
 HAVE_WCSNLEN
 HAVE_WCSLEN
 HAVE_WMEMSET
+HAVE_WMEMPCPY
 HAVE_WMEMMOVE
 HAVE_WMEMCPY
 HAVE_WMEMCMP
@@ -756,96 +805,203 @@ HAVE_MBRLEN
 HAVE_MBRTOWC
 HAVE_MBSINIT
 HAVE_BTOWC
-GNULIB_WCSFTIME
-GNULIB_WCSWIDTH
-GNULIB_WCSTOK
-GNULIB_WCSSTR
-GNULIB_WCSPBRK
-GNULIB_WCSSPN
-GNULIB_WCSCSPN
-GNULIB_WCSRCHR
-GNULIB_WCSCHR
-GNULIB_WCSDUP
-GNULIB_WCSXFRM
-GNULIB_WCSCOLL
-GNULIB_WCSNCASECMP
-GNULIB_WCSCASECMP
-GNULIB_WCSNCMP
-GNULIB_WCSCMP
-GNULIB_WCSNCAT
-GNULIB_WCSCAT
-GNULIB_WCPNCPY
-GNULIB_WCSNCPY
-GNULIB_WCPCPY
-GNULIB_WCSCPY
-GNULIB_WCSNLEN
-GNULIB_WCSLEN
-GNULIB_WMEMSET
-GNULIB_WMEMMOVE
-GNULIB_WMEMCPY
-GNULIB_WMEMCMP
-GNULIB_WMEMCHR
-GNULIB_WCWIDTH
-GNULIB_WCSNRTOMBS
-GNULIB_WCSRTOMBS
-GNULIB_WCRTOMB
-GNULIB_MBSNRTOWCS
-GNULIB_MBSRTOWCS
-GNULIB_MBRLEN
-GNULIB_MBRTOWC
-GNULIB_MBSINIT
-GNULIB_WCTOB
-GNULIB_BTOWC
 HAVE_FEATURES_H
-GL_GENERATE_UTIME_H_FALSE
-GL_GENERATE_UTIME_H_TRUE
-UTIME_H
+GL_COND_OBJ_UTIMENSAT_FALSE
+GL_COND_OBJ_UTIMENSAT_TRUE
 HAVE_UTIME_H
 NEXT_AS_FIRST_DIRECTIVE_UTIME_H
 NEXT_UTIME_H
+GL_GNULIB_MDA_UTIME
+GL_GNULIB_UTIME
+GL_COND_OBJ_UTIME_FALSE
+GL_COND_OBJ_UTIME_TRUE
 REPLACE_UTIME
 HAVE_UTIME
-GNULIB_UTIME
+GL_COND_OBJ_UNLINKAT_FALSE
+GL_COND_OBJ_UNLINKAT_TRUE
+GL_COND_OBJ_UNLINK_FALSE
+GL_COND_OBJ_UNLINK_TRUE
 HAVE_UNISTD_H
 NEXT_AS_FIRST_DIRECTIVE_UNISTD_H
 NEXT_UNISTD_H
+GL_GNULIB_MDA_TZSET
+GL_GNULIB_TZSET
+GL_GNULIB_TIME_RZ
+GL_GNULIB_TIME_R
+GL_GNULIB_TIMESPEC_GETRES
+GL_GNULIB_TIMESPEC_GET
+GL_GNULIB_TIMEGM
+GL_GNULIB_STRPTIME
+GL_GNULIB_STRFTIME
+GL_GNULIB_NANOSLEEP
+GL_GNULIB_LOCALTIME
+GL_GNULIB_MKTIME
+GL_GNULIB_CTIME
+TIME_H_DEFINES_TIME_UTC
 UNISTD_H_DEFINES_STRUCT_TIMESPEC
 PTHREAD_H_DEFINES_STRUCT_TIMESPEC
 SYS_TIME_H_DEFINES_STRUCT_TIMESPEC
 TIME_H_DEFINES_STRUCT_TIMESPEC
 NEXT_AS_FIRST_DIRECTIVE_TIME_H
 NEXT_TIME_H
+REPLACE_LOCALTIME
+REPLACE_GMTIME
+GNULIB_GETTIMEOFDAY
+REPLACE_TZSET
+REPLACE_TIMEGM
+REPLACE_STRFTIME
+REPLACE_NANOSLEEP
+REPLACE_MKTIME
+REPLACE_LOCALTIME_R
+REPLACE_CTIME
+HAVE_TIMEZONE_T
+HAVE_TIMESPEC_GETRES
+HAVE_TIMESPEC_GET
+HAVE_TIMEGM
+HAVE_STRPTIME
+HAVE_NANOSLEEP
+HAVE_DECL_LOCALTIME_R
 WINDOWS_STAT_INODES
 WINDOWS_64_BIT_OFF_T
 NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H
 NEXT_SYS_TYPES_H
+GL_COND_OBJ_SYMLINKAT_FALSE
+GL_COND_OBJ_SYMLINKAT_TRUE
+GL_COND_OBJ_SYMLINK_FALSE
+GL_COND_OBJ_SYMLINK_TRUE
+GL_COND_OBJ_STRNCAT_FALSE
+GL_COND_OBJ_STRNCAT_TRUE
+GL_GNULIB_FFS
 HAVE_STRINGS_H
 NEXT_AS_FIRST_DIRECTIVE_STRINGS_H
 NEXT_STRINGS_H
 NEXT_AS_FIRST_DIRECTIVE_STRING_H
 NEXT_STRING_H
+GL_COND_OBJ_STRERROR_OVERRIDE_FALSE
+GL_COND_OBJ_STRERROR_OVERRIDE_TRUE
+GL_COND_OBJ_STRERROR_FALSE
+GL_COND_OBJ_STRERROR_TRUE
+GL_COND_OBJ_STRDUP_FALSE
+GL_COND_OBJ_STRDUP_TRUE
+GL_COND_OBJ_STRNCASECMP_FALSE
+GL_COND_OBJ_STRNCASECMP_TRUE
+GL_COND_OBJ_STRCASECMP_FALSE
+GL_COND_OBJ_STRCASECMP_TRUE
 HAVE_DECL_STRNCASECMP
 HAVE_STRCASECMP
 HAVE_FFS
-GNULIB_FFS
 NEXT_AS_FIRST_DIRECTIVE_STDLIB_H
 NEXT_STDLIB_H
+GL_COND_OBJ_STDIO_WRITE_FALSE
+GL_COND_OBJ_STDIO_WRITE_TRUE
+GL_COND_OBJ_STDIO_READ_FALSE
+GL_COND_OBJ_STDIO_READ_TRUE
 NEXT_AS_FIRST_DIRECTIVE_STDIO_H
 NEXT_STDIO_H
-NEXT_AS_FIRST_DIRECTIVE_STDDEF_H
-NEXT_STDDEF_H
+GL_GENERATE_STDINT_H_FALSE
+GL_GENERATE_STDINT_H_TRUE
+STDINT_H
 GL_GENERATE_STDDEF_H_FALSE
 GL_GENERATE_STDDEF_H_TRUE
 STDDEF_H
+NEXT_AS_FIRST_DIRECTIVE_STDDEF_H
+NEXT_STDDEF_H
 HAVE_WCHAR_T
 HAVE_MAX_ALIGN_T
 REPLACE_NULL
-HAVE__BOOL
 GL_GENERATE_STDBOOL_H_FALSE
 GL_GENERATE_STDBOOL_H_TRUE
 STDBOOL_H
+HAVE__BOOL
+GL_GENERATE_STDALIGN_H_FALSE
+GL_GENERATE_STDALIGN_H_TRUE
+STDALIGN_H
+GL_COND_OBJ_STAT_FALSE
+GL_COND_OBJ_STAT_TRUE
+GL_COND_OBJ_SIGNBIT3_FALSE
+GL_COND_OBJ_SIGNBIT3_TRUE
+GL_COND_OBJ_RMDIR_FALSE
+GL_COND_OBJ_RMDIR_TRUE
+GL_COND_OBJ_RENAMEAT_FALSE
+GL_COND_OBJ_RENAMEAT_TRUE
+GL_COND_OBJ_RENAME_FALSE
+GL_COND_OBJ_RENAME_TRUE
+GL_COND_OBJ_REALLOCARRAY_FALSE
+GL_COND_OBJ_REALLOCARRAY_TRUE
+GL_COND_OBJ_READLINKAT_FALSE
+GL_COND_OBJ_READLINKAT_TRUE
+GL_COND_OBJ_READLINK_FALSE
+GL_COND_OBJ_READLINK_TRUE
+GL_COND_OBJ_RAWMEMCHR_FALSE
+GL_COND_OBJ_RAWMEMCHR_TRUE
+GL_COND_OBJ_PIPE_FALSE
+GL_COND_OBJ_PIPE_TRUE
+GL_COND_OBJ_OPENDIR_FALSE
+GL_COND_OBJ_OPENDIR_TRUE
+GL_COND_OBJ_OPENAT_FALSE
+GL_COND_OBJ_OPENAT_TRUE
+GL_COND_OBJ_OPEN_FALSE
+GL_COND_OBJ_OPEN_TRUE
+GL_COND_OBJ_MSVC_NOTHROW_FALSE
+GL_COND_OBJ_MSVC_NOTHROW_TRUE
+GL_COND_OBJ_MSVC_INVAL_FALSE
+GL_COND_OBJ_MSVC_INVAL_TRUE
+GL_COND_OBJ_MKDIRAT_FALSE
+GL_COND_OBJ_MKDIRAT_TRUE
+GL_COND_OBJ_MKDIR_FALSE
+GL_COND_OBJ_MKDIR_TRUE
+GL_COND_OBJ_MEMRCHR_FALSE
+GL_COND_OBJ_MEMRCHR_TRUE
+GL_COND_OBJ_MEMPCPY_FALSE
+GL_COND_OBJ_MEMPCPY_TRUE
+GL_GNULIB_MDA_STRDUP
+GL_GNULIB_MDA_MEMCCPY
+GL_GNULIB_STRVERSCMP
+GL_GNULIB_STRSIGNAL
+GL_GNULIB_SIGDESCR_NP
+GL_GNULIB_SIGABBREV_NP
+GL_GNULIB_STRERRORNAME_NP
+GL_GNULIB_STRERROR_R
+GL_GNULIB_STRERROR
+GL_GNULIB_MBSTOK_R
+GL_GNULIB_MBSSEP
+GL_GNULIB_MBSSPN
+GL_GNULIB_MBSPBRK
+GL_GNULIB_MBSCSPN
+GL_GNULIB_MBSCASESTR
+GL_GNULIB_MBSPCASECMP
+GL_GNULIB_MBSNCASECMP
+GL_GNULIB_MBSCASECMP
+GL_GNULIB_MBSSTR
+GL_GNULIB_MBSRCHR
+GL_GNULIB_MBSCHR
+GL_GNULIB_MBSNLEN
+GL_GNULIB_MBSLEN
+GL_GNULIB_STRTOK_R
+GL_GNULIB_STRCASESTR
+GL_GNULIB_STRSTR
+GL_GNULIB_STRSEP
+GL_GNULIB_STRPBRK
+GL_GNULIB_STRNLEN
+GL_GNULIB_STRNDUP
+GL_GNULIB_STRNCAT
+GL_GNULIB_STRDUP
+GL_GNULIB_STRCHRNUL
+GL_GNULIB_STPNCPY
+GL_GNULIB_STPCPY
+GL_GNULIB_RAWMEMCHR
+GL_GNULIB_MEMRCHR
+GL_GNULIB_MEMPCPY
+GL_GNULIB_MEMMEM
+GL_GNULIB_MEMCHR
+GL_GNULIB_FFSLL
+GL_GNULIB_FFSL
+GL_GNULIB_EXPLICIT_BZERO
+GL_COND_OBJ_MEMCHR_FALSE
+GL_COND_OBJ_MEMCHR_TRUE
 UNDEFINE_STRTOK_R
 REPLACE_STRSIGNAL
+REPLACE_STRERRORNAME_NP
 REPLACE_STRERROR_R
 REPLACE_STRERROR
 REPLACE_STRTOK_R
@@ -859,8 +1015,12 @@ REPLACE_STRCHRNUL
 REPLACE_STPNCPY
 REPLACE_MEMMEM
 REPLACE_MEMCHR
+REPLACE_FFSLL
 HAVE_STRVERSCMP
 HAVE_DECL_STRSIGNAL
+HAVE_SIGDESCR_NP
+HAVE_SIGABBREV_NP
+HAVE_STRERRORNAME_NP
 HAVE_DECL_STRERROR_R
 HAVE_DECL_STRTOK_R
 HAVE_STRCASESTR
@@ -876,57 +1036,26 @@ HAVE_RAWMEMCHR
 HAVE_DECL_MEMRCHR
 HAVE_MEMPCPY
 HAVE_DECL_MEMMEM
-HAVE_MEMCHR
 HAVE_FFSLL
 HAVE_FFSL
 HAVE_EXPLICIT_BZERO
 HAVE_MBSLEN
-GNULIB_STRVERSCMP
-GNULIB_STRSIGNAL
-GNULIB_STRERROR_R
-GNULIB_STRERROR
-GNULIB_MBSTOK_R
-GNULIB_MBSSEP
-GNULIB_MBSSPN
-GNULIB_MBSPBRK
-GNULIB_MBSCSPN
-GNULIB_MBSCASESTR
-GNULIB_MBSPCASECMP
-GNULIB_MBSNCASECMP
-GNULIB_MBSCASECMP
-GNULIB_MBSSTR
-GNULIB_MBSRCHR
-GNULIB_MBSCHR
-GNULIB_MBSNLEN
-GNULIB_MBSLEN
-GNULIB_STRTOK_R
-GNULIB_STRCASESTR
-GNULIB_STRSTR
-GNULIB_STRSEP
-GNULIB_STRPBRK
-GNULIB_STRNLEN
-GNULIB_STRNDUP
-GNULIB_STRNCAT
-GNULIB_STRDUP
-GNULIB_STRCHRNUL
-GNULIB_STPNCPY
-GNULIB_STPCPY
-GNULIB_RAWMEMCHR
-GNULIB_MEMRCHR
-GNULIB_MEMPCPY
-GNULIB_MEMMEM
-GNULIB_MEMCHR
-GNULIB_FFSLL
-GNULIB_FFSL
-GNULIB_EXPLICIT_BZERO
 NEXT_AS_FIRST_DIRECTIVE_MATH_H
 NEXT_MATH_H
+GL_COND_OBJ_LSTAT_FALSE
+GL_COND_OBJ_LSTAT_TRUE
+GL_GENERATE_LIMITS_H_FALSE
+GL_GENERATE_LIMITS_H_TRUE
+LIMITS_H
+GL_GNULIB_STRTOUMAX
+GL_GNULIB_STRTOIMAX
+GL_GNULIB_IMAXDIV
+GL_GNULIB_IMAXABS
 NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H
 NEXT_INTTYPES_H
 UINT64_MAX_EQ_ULONG_MAX
 UINT32_MAX_LT_UINTMAX_MAX
 PRIPTR_PREFIX
-PRI_MACROS_BROKEN
 INT64_MAX_EQ_LONG_MAX
 INT32_MAX_LT_INTMAX_MAX
 REPLACE_STRTOUMAX
@@ -936,13 +1065,6 @@ HAVE_DECL_STRTOUMAX
 HAVE_DECL_STRTOIMAX
 HAVE_DECL_IMAXDIV
 HAVE_DECL_IMAXABS
-GNULIB_STRTOUMAX
-GNULIB_STRTOIMAX
-GNULIB_IMAXDIV
-GNULIB_IMAXABS
-GL_GENERATE_STDINT_H_FALSE
-GL_GENERATE_STDINT_H_TRUE
-STDINT_H
 HAVE_SYS_INTTYPES_H
 HAVE_SYS_BITYPES_H
 HAVE_C99_STDINT_H
@@ -966,39 +1088,14 @@ NEXT_STDINT_H
 HAVE_SYS_TYPES_H
 HAVE_INTTYPES_H
 HAVE_WCHAR_H
-HAVE_UNSIGNED_LONG_LONG_INT
-HAVE_LONG_LONG_INT
-GNULIB_OVERRIDES_WINT_T
-GL_GENERATE_LIMITS_H_FALSE
-GL_GENERATE_LIMITS_H_TRUE
-LIMITS_H
+GNULIBHEADERS_OVERRIDE_WINT_T
 NEXT_AS_FIRST_DIRECTIVE_LIMITS_H
 NEXT_LIMITS_H
-REPLACE_LOCALTIME
-REPLACE_GMTIME
-REPLACE_TZSET
-REPLACE_TIMEGM
-REPLACE_STRFTIME
-REPLACE_NANOSLEEP
-REPLACE_MKTIME
-REPLACE_LOCALTIME_R
-REPLACE_CTIME
-HAVE_TIMEZONE_T
-HAVE_TZSET
-HAVE_TIMEGM
-HAVE_STRPTIME
-HAVE_NANOSLEEP
-HAVE_DECL_LOCALTIME_R
-GNULIB_TZSET
-GNULIB_TIME_RZ
-GNULIB_TIME_R
-GNULIB_TIMEGM
-GNULIB_STRPTIME
-GNULIB_STRFTIME
-GNULIB_NANOSLEEP
-GNULIB_LOCALTIME
-GNULIB_MKTIME
-GNULIB_CTIME
+GL_COND_OBJ_GROUP_MEMBER_FALSE
+GL_COND_OBJ_GROUP_MEMBER_TRUE
+GL_GNULIB_GETTIMEOFDAY
+GL_COND_OBJ_GETTIMEOFDAY_FALSE
+GL_COND_OBJ_GETTIMEOFDAY_TRUE
 NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H
 NEXT_SYS_TIME_H
 REPLACE_STRUCT_TIMEVAL
@@ -1006,16 +1103,88 @@ REPLACE_GETTIMEOFDAY
 HAVE_SYS_TIME_H
 HAVE_STRUCT_TIMEVAL
 HAVE_GETTIMEOFDAY
-GNULIB_GETTIMEOFDAY
 LTLIBINTL
 LIBINTL
-GNULIB_GL_UNISTD_H_GETOPT
+GL_COND_OBJ_GETOPT_FALSE
+GL_COND_OBJ_GETOPT_TRUE
+GL_GENERATE_GETOPT_CDEFS_H_FALSE
+GL_GENERATE_GETOPT_CDEFS_H_TRUE
 GETOPT_CDEFS_H
+GL_GENERATE_GETOPT_H_FALSE
+GL_GENERATE_GETOPT_H_TRUE
 GETOPT_H
 HAVE_SYS_CDEFS_H
 HAVE_GETOPT_H
 NEXT_AS_FIRST_DIRECTIVE_GETOPT_H
 NEXT_GETOPT_H
+GL_COND_OBJ_GETLINE_FALSE
+GL_COND_OBJ_GETLINE_TRUE
+GL_COND_OBJ_GETGROUPS_FALSE
+GL_COND_OBJ_GETGROUPS_TRUE
+GL_COND_OBJ_GETDTABLESIZE_FALSE
+GL_COND_OBJ_GETDTABLESIZE_TRUE
+GL_GNULIB_MDA_TEMPNAM
+GL_GNULIB_MDA_PUTW
+GL_GNULIB_MDA_GETW
+GL_GNULIB_MDA_FILENO
+GL_GNULIB_MDA_FDOPEN
+GL_GNULIB_MDA_FCLOSEALL
+GL_GNULIB_VSPRINTF_POSIX
+GL_GNULIB_VSNPRINTF
+GL_GNULIB_VPRINTF_POSIX
+GL_GNULIB_VPRINTF
+GL_GNULIB_VFPRINTF_POSIX
+GL_GNULIB_VFPRINTF
+GL_GNULIB_VDPRINTF
+GL_GNULIB_VSCANF
+GL_GNULIB_VFSCANF
+GL_GNULIB_VASPRINTF
+GL_GNULIB_TMPFILE
+GL_GNULIB_STDIO_H_SIGPIPE
+GL_GNULIB_STDIO_H_NONBLOCKING
+GL_GNULIB_SPRINTF_POSIX
+GL_GNULIB_SNPRINTF
+GL_GNULIB_SCANF
+GL_GNULIB_RENAMEAT
+GL_GNULIB_RENAME
+GL_GNULIB_REMOVE
+GL_GNULIB_PUTS
+GL_GNULIB_PUTCHAR
+GL_GNULIB_PUTC
+GL_GNULIB_PRINTF_POSIX
+GL_GNULIB_PRINTF
+GL_GNULIB_POPEN
+GL_GNULIB_PERROR
+GL_GNULIB_PCLOSE
+GL_GNULIB_OBSTACK_PRINTF_POSIX
+GL_GNULIB_OBSTACK_PRINTF
+GL_GNULIB_GETLINE
+GL_GNULIB_GETDELIM
+GL_GNULIB_GETCHAR
+GL_GNULIB_GETC
+GL_GNULIB_FWRITE
+GL_GNULIB_FTELLO
+GL_GNULIB_FTELL
+GL_GNULIB_FSEEKO
+GL_GNULIB_FSEEK
+GL_GNULIB_FSCANF
+GL_GNULIB_FREOPEN
+GL_GNULIB_FREAD
+GL_GNULIB_FPUTS
+GL_GNULIB_FPUTC
+GL_GNULIB_FPURGE
+GL_GNULIB_FPRINTF_POSIX
+GL_GNULIB_FPRINTF
+GL_GNULIB_FOPEN_GNU
+GL_GNULIB_FOPEN
+GL_GNULIB_FGETS
+GL_GNULIB_FGETC
+GL_GNULIB_FFLUSH
+GL_GNULIB_FDOPEN
+GL_GNULIB_FCLOSE
+GL_GNULIB_DPRINTF
+GL_COND_OBJ_GETDELIM_FALSE
+GL_COND_OBJ_GETDELIM_TRUE
 REPLACE_VSPRINTF
 REPLACE_VSNPRINTF
 REPLACE_VPRINTF
@@ -1043,6 +1212,7 @@ REPLACE_FSEEK
 REPLACE_FREOPEN
 REPLACE_FPURGE
 REPLACE_FPRINTF
+REPLACE_FOPEN_FOR_FOPEN_GNU
 REPLACE_FOPEN
 REPLACE_FFLUSH
 REPLACE_FDOPEN
@@ -1064,72 +1234,50 @@ HAVE_DECL_GETDELIM
 HAVE_DECL_FTELLO
 HAVE_DECL_FSEEKO
 HAVE_DECL_FPURGE
-GNULIB_VSPRINTF_POSIX
-GNULIB_VSNPRINTF
-GNULIB_VPRINTF_POSIX
-GNULIB_VPRINTF
-GNULIB_VFPRINTF_POSIX
-GNULIB_VFPRINTF
-GNULIB_VDPRINTF
-GNULIB_VSCANF
-GNULIB_VFSCANF
-GNULIB_VASPRINTF
-GNULIB_TMPFILE
-GNULIB_STDIO_H_SIGPIPE
-GNULIB_STDIO_H_NONBLOCKING
-GNULIB_SPRINTF_POSIX
-GNULIB_SNPRINTF
-GNULIB_SCANF
-GNULIB_RENAMEAT
-GNULIB_RENAME
-GNULIB_REMOVE
-GNULIB_PUTS
-GNULIB_PUTCHAR
-GNULIB_PUTC
-GNULIB_PRINTF_POSIX
-GNULIB_PRINTF
-GNULIB_POPEN
-GNULIB_PERROR
-GNULIB_PCLOSE
-GNULIB_OBSTACK_PRINTF_POSIX
-GNULIB_OBSTACK_PRINTF
-GNULIB_GETLINE
-GNULIB_GETDELIM
-GNULIB_GETCHAR
-GNULIB_GETC
-GNULIB_FWRITE
-GNULIB_FTELLO
-GNULIB_FTELL
-GNULIB_FSEEKO
-GNULIB_FSEEK
-GNULIB_FSCANF
-GNULIB_FREOPEN
-GNULIB_FREAD
-GNULIB_FPUTS
-GNULIB_FPUTC
-GNULIB_FPURGE
-GNULIB_FPRINTF_POSIX
-GNULIB_FPRINTF
-GNULIB_FOPEN
-GNULIB_FGETS
-GNULIB_FGETC
-GNULIB_FFLUSH
-GNULIB_FDOPEN
-GNULIB_FCLOSE
-GNULIB_DPRINTF
+HAVE_DECL_FCLOSEALL
+GL_COND_OBJ_GETCWD_LGPL_FALSE
+GL_COND_OBJ_GETCWD_LGPL_TRUE
+GL_COND_OBJ_FUTIMENS_FALSE
+GL_COND_OBJ_FUTIMENS_TRUE
+GL_COND_OBJ_FSTATAT_FALSE
+GL_COND_OBJ_FSTATAT_TRUE
+GL_GNULIB_MDA_UMASK
+GL_GNULIB_MDA_MKDIR
+GL_GNULIB_MDA_CHMOD
+GL_GNULIB_OVERRIDES_STRUCT_STAT
+GL_GNULIB_UTIMENSAT
+GL_GNULIB_STAT
+GL_GNULIB_MKNODAT
+GL_GNULIB_MKNOD
+GL_GNULIB_MKFIFOAT
+GL_GNULIB_MKFIFO
+GL_GNULIB_MKDIRAT
+GL_GNULIB_MKDIR
+GL_GNULIB_LSTAT
+GL_GNULIB_LCHMOD
+GL_GNULIB_GETUMASK
+GL_GNULIB_FUTIMENS
+GL_GNULIB_FSTATAT
+GL_GNULIB_FSTAT
+GL_GNULIB_FCHMODAT
 WINDOWS_64_BIT_ST_SIZE
 WINDOWS_STAT_TIMESPEC
 NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H
 NEXT_SYS_STAT_H
+GL_COND_OBJ_FSTAT_FALSE
+GL_COND_OBJ_FSTAT_TRUE
 REPLACE_UTIMENSAT
 REPLACE_STAT
+REPLACE_MKNODAT
 REPLACE_MKNOD
+REPLACE_MKFIFOAT
 REPLACE_MKFIFO
 REPLACE_MKDIR
 REPLACE_LSTAT
 REPLACE_FUTIMENS
 REPLACE_FSTATAT
 REPLACE_FSTAT
+REPLACE_FCHMODAT
 HAVE_UTIMENSAT
 HAVE_MKNODAT
 HAVE_MKNOD
@@ -1138,24 +1286,112 @@ HAVE_MKFIFO
 HAVE_MKDIRAT
 HAVE_LSTAT
 HAVE_LCHMOD
+HAVE_GETUMASK
 HAVE_FUTIMENS
 HAVE_FSTATAT
 HAVE_FCHMODAT
-GNULIB_OVERRIDES_STRUCT_STAT
-GNULIB_UTIMENSAT
-GNULIB_STAT
-GNULIB_MKNODAT
-GNULIB_MKNOD
-GNULIB_MKFIFOAT
-GNULIB_MKFIFO
-GNULIB_MKDIRAT
-GNULIB_LSTAT
-GNULIB_LCHMOD
-GNULIB_FUTIMENS
-GNULIB_FSTATAT
-GNULIB_FSTAT
-GNULIB_FCHMODAT
 HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
+GL_GNULIB_MDA_YN
+GL_GNULIB_MDA_Y1
+GL_GNULIB_MDA_Y0
+GL_GNULIB_MDA_JN
+GL_GNULIB_MDA_J1
+GL_GNULIB_MDA_J0
+GL_GNULIB_TRUNCL
+GL_GNULIB_TRUNCF
+GL_GNULIB_TRUNC
+GL_GNULIB_TANHF
+GL_GNULIB_TANL
+GL_GNULIB_TANF
+GL_GNULIB_SQRTL
+GL_GNULIB_SQRTF
+GL_GNULIB_SINHF
+GL_GNULIB_SINL
+GL_GNULIB_SINF
+GL_GNULIB_SIGNBIT
+GL_GNULIB_ROUNDL
+GL_GNULIB_ROUNDF
+GL_GNULIB_ROUND
+GL_GNULIB_RINTL
+GL_GNULIB_RINTF
+GL_GNULIB_RINT
+GL_GNULIB_REMAINDERL
+GL_GNULIB_REMAINDERF
+GL_GNULIB_REMAINDER
+GL_GNULIB_POWF
+GL_GNULIB_MODFL
+GL_GNULIB_MODFF
+GL_GNULIB_MODF
+GL_GNULIB_LOGBL
+GL_GNULIB_LOGBF
+GL_GNULIB_LOGB
+GL_GNULIB_LOG2L
+GL_GNULIB_LOG2F
+GL_GNULIB_LOG2
+GL_GNULIB_LOG1PL
+GL_GNULIB_LOG1PF
+GL_GNULIB_LOG1P
+GL_GNULIB_LOG10L
+GL_GNULIB_LOG10F
+GL_GNULIB_LOG10
+GL_GNULIB_LOGL
+GL_GNULIB_LOGF
+GL_GNULIB_LOG
+GL_GNULIB_LDEXPL
+GL_GNULIB_LDEXPF
+GL_GNULIB_ISNANL
+GL_GNULIB_ISNAND
+GL_GNULIB_ISNANF
+GL_GNULIB_ISNAN
+GL_GNULIB_ISINF
+GL_GNULIB_ISFINITE
+GL_GNULIB_ILOGBL
+GL_GNULIB_ILOGBF
+GL_GNULIB_ILOGB
+GL_GNULIB_HYPOTL
+GL_GNULIB_HYPOTF
+GL_GNULIB_HYPOT
+GL_GNULIB_FREXPL
+GL_GNULIB_FREXP
+GL_GNULIB_FREXPF
+GL_GNULIB_FMODL
+GL_GNULIB_FMODF
+GL_GNULIB_FMOD
+GL_GNULIB_FMAL
+GL_GNULIB_FMAF
+GL_GNULIB_FMA
+GL_GNULIB_FLOORL
+GL_GNULIB_FLOORF
+GL_GNULIB_FLOOR
+GL_GNULIB_FABSL
+GL_GNULIB_FABSF
+GL_GNULIB_EXPM1L
+GL_GNULIB_EXPM1F
+GL_GNULIB_EXPM1
+GL_GNULIB_EXP2L
+GL_GNULIB_EXP2F
+GL_GNULIB_EXP2
+GL_GNULIB_EXPL
+GL_GNULIB_EXPF
+GL_GNULIB_COSHF
+GL_GNULIB_COSL
+GL_GNULIB_COSF
+GL_GNULIB_COPYSIGNL
+GL_GNULIB_COPYSIGNF
+GL_GNULIB_COPYSIGN
+GL_GNULIB_CEILL
+GL_GNULIB_CEILF
+GL_GNULIB_CEIL
+GL_GNULIB_CBRTL
+GL_GNULIB_CBRTF
+GL_GNULIB_CBRT
+GL_GNULIB_ATAN2F
+GL_GNULIB_ATANL
+GL_GNULIB_ATANF
+GL_GNULIB_ASINL
+GL_GNULIB_ASINF
+GL_GNULIB_ACOSL
+GL_GNULIB_ACOSF
 REPLACE_TRUNCL
 REPLACE_TRUNCF
 REPLACE_TRUNC
@@ -1165,7 +1401,7 @@ REPLACE_SQRTL
 REPLACE_SQRTF
 REPLACE_SINHF
 REPLACE_SINF
-REPLACE_SIGNBIT_USING_GCC
+REPLACE_SIGNBIT_USING_BUILTINS
 REPLACE_SIGNBIT
 REPLACE_ROUNDL
 REPLACE_ROUNDF
@@ -1331,130 +1567,63 @@ HAVE_ASINL
 HAVE_ASINF
 HAVE_ACOSL
 HAVE_ACOSF
-GNULIB_TRUNCL
-GNULIB_TRUNCF
-GNULIB_TRUNC
-GNULIB_TANHF
-GNULIB_TANL
-GNULIB_TANF
-GNULIB_SQRTL
-GNULIB_SQRTF
-GNULIB_SINHF
-GNULIB_SINL
-GNULIB_SINF
-GNULIB_SIGNBIT
-GNULIB_ROUNDL
-GNULIB_ROUNDF
-GNULIB_ROUND
-GNULIB_RINTL
-GNULIB_RINTF
-GNULIB_RINT
-GNULIB_REMAINDERL
-GNULIB_REMAINDERF
-GNULIB_REMAINDER
-GNULIB_POWF
-GNULIB_MODFL
-GNULIB_MODFF
-GNULIB_MODF
-GNULIB_LOGBL
-GNULIB_LOGBF
-GNULIB_LOGB
-GNULIB_LOG2L
-GNULIB_LOG2F
-GNULIB_LOG2
-GNULIB_LOG1PL
-GNULIB_LOG1PF
-GNULIB_LOG1P
-GNULIB_LOG10L
-GNULIB_LOG10F
-GNULIB_LOG10
-GNULIB_LOGL
-GNULIB_LOGF
-GNULIB_LOG
-GNULIB_LDEXPL
-GNULIB_LDEXPF
-GNULIB_ISNANL
-GNULIB_ISNAND
-GNULIB_ISNANF
-GNULIB_ISNAN
-GNULIB_ISINF
-GNULIB_ISFINITE
-GNULIB_ILOGBL
-GNULIB_ILOGBF
-GNULIB_ILOGB
-GNULIB_HYPOTL
-GNULIB_HYPOTF
-GNULIB_HYPOT
-GNULIB_FREXPL
-GNULIB_FREXP
-GNULIB_FREXPF
-GNULIB_FMODL
-GNULIB_FMODF
-GNULIB_FMOD
-GNULIB_FMAL
-GNULIB_FMAF
-GNULIB_FMA
-GNULIB_FLOORL
-GNULIB_FLOORF
-GNULIB_FLOOR
-GNULIB_FABSL
-GNULIB_FABSF
-GNULIB_EXPM1L
-GNULIB_EXPM1F
-GNULIB_EXPM1
-GNULIB_EXP2L
-GNULIB_EXP2F
-GNULIB_EXP2
-GNULIB_EXPL
-GNULIB_EXPF
-GNULIB_COSHF
-GNULIB_COSL
-GNULIB_COSF
-GNULIB_COPYSIGNL
-GNULIB_COPYSIGNF
-GNULIB_COPYSIGN
-GNULIB_CEILL
-GNULIB_CEILF
-GNULIB_CEIL
-GNULIB_CBRTL
-GNULIB_CBRTF
-GNULIB_CBRT
-GNULIB_ATAN2F
-GNULIB_ATANL
-GNULIB_ATANF
-GNULIB_ASINL
-GNULIB_ASINF
-GNULIB_ACOSL
-GNULIB_ACOSF
-REPLACE_ITOLD
+GL_COND_OBJ_FREE_FALSE
+GL_COND_OBJ_FREE_TRUE
+GL_COND_OBJ_ITOLD_FALSE
+GL_COND_OBJ_ITOLD_TRUE
+GL_COND_OBJ_FLOAT_FALSE
+GL_COND_OBJ_FLOAT_TRUE
 GL_GENERATE_FLOAT_H_FALSE
 GL_GENERATE_FLOAT_H_TRUE
 FLOAT_H
+REPLACE_ITOLD
 NEXT_AS_FIRST_DIRECTIVE_FLOAT_H
 NEXT_FLOAT_H
+GL_COND_OBJ_FDOPENDIR_FALSE
+GL_COND_OBJ_FDOPENDIR_TRUE
 NEXT_AS_FIRST_DIRECTIVE_FCNTL_H
 NEXT_FCNTL_H
+GL_GNULIB_MDA_OPEN
+GL_GNULIB_MDA_CREAT
+GL_GNULIB_OPENAT
+GL_GNULIB_OPEN
+GL_GNULIB_NONBLOCKING
+GL_GNULIB_FCNTL
+GL_GNULIB_CREAT
+GL_COND_OBJ_FCNTL_FALSE
+GL_COND_OBJ_FCNTL_TRUE
 REPLACE_OPENAT
 REPLACE_OPEN
 REPLACE_FCNTL
+REPLACE_CREAT
 HAVE_OPENAT
 HAVE_FCNTL
-GNULIB_OPENAT
-GNULIB_OPEN
-GNULIB_NONBLOCKING
-GNULIB_FCNTL
+GL_COND_OBJ_FCHDIR_FALSE
+GL_COND_OBJ_FCHDIR_TRUE
+GL_COND_OBJ_FACCESSAT_FALSE
+GL_COND_OBJ_FACCESSAT_TRUE
 LIB_EACCESS
+GL_COND_OBJ_EUIDACCESS_FALSE
+GL_COND_OBJ_EUIDACCESS_TRUE
+GL_COND_OBJ_ERROR_FALSE
+GL_COND_OBJ_ERROR_TRUE
+GL_GENERATE_ERRNO_H_FALSE
+GL_GENERATE_ERRNO_H_TRUE
+ERRNO_H
 EOVERFLOW_VALUE
 EOVERFLOW_HIDDEN
 ENOLINK_VALUE
 ENOLINK_HIDDEN
 EMULTIHOP_VALUE
 EMULTIHOP_HIDDEN
-GL_GENERATE_ERRNO_H_FALSE
-GL_GENERATE_ERRNO_H_TRUE
-ERRNO_H
 NEXT_AS_FIRST_DIRECTIVE_ERRNO_H
 NEXT_ERRNO_H
+GL_COND_OBJ_DUP2_FALSE
+GL_COND_OBJ_DUP2_TRUE
+GL_COND_OBJ_DUP_FALSE
+GL_COND_OBJ_DUP_TRUE
+GL_COND_OBJ_DIRFD_FALSE
+GL_COND_OBJ_DIRFD_TRUE
 HAVE_DIRENT_H
 NEXT_AS_FIRST_DIRECTIVE_DIRENT_H
 NEXT_DIRENT_H
@@ -1462,6 +1631,16 @@ PRAGMA_COLUMNS
 PRAGMA_SYSTEM_HEADER
 INCLUDE_NEXT_AS_FIRST_DIRECTIVE
 INCLUDE_NEXT
+GL_GNULIB_ALPHASORT
+GL_GNULIB_SCANDIR
+GL_GNULIB_FDOPENDIR
+GL_GNULIB_DIRFD
+GL_GNULIB_CLOSEDIR
+GL_GNULIB_REWINDDIR
+GL_GNULIB_READDIR
+GL_GNULIB_OPENDIR
+GL_COND_OBJ_CLOSEDIR_FALSE
+GL_COND_OBJ_CLOSEDIR_TRUE
 REPLACE_FDOPENDIR
 REPLACE_DIRFD
 REPLACE_CLOSEDIR
@@ -1475,19 +1654,16 @@ HAVE_CLOSEDIR
 HAVE_REWINDDIR
 HAVE_READDIR
 HAVE_OPENDIR
-GNULIB_ALPHASORT
-GNULIB_SCANDIR
-GNULIB_FDOPENDIR
-GNULIB_DIRFD
-GNULIB_CLOSEDIR
-GNULIB_REWINDDIR
-GNULIB_READDIR
-GNULIB_OPENDIR
+GL_COND_OBJ_CLOSE_FALSE
+GL_COND_OBJ_CLOSE_TRUE
 HAVE_WINSOCK2_H
 HAVE_MSVC_INVALID_PARAMETER_HANDLER
 LIB_CLOCK_GETTIME
+GL_COND_OBJ_CHDIR_LONG_FALSE
+GL_COND_OBJ_CHDIR_LONG_TRUE
 UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS
 UNISTD_H_HAVE_WINSOCK2_H
+UNISTD_H_HAVE_SYS_RANDOM_H
 REPLACE_WRITE
 REPLACE_USLEEP
 REPLACE_UNLINKAT
@@ -1508,6 +1684,7 @@ REPLACE_LINKAT
 REPLACE_LINK
 REPLACE_LCHOWN
 REPLACE_ISATTY
+REPLACE_GETPASS_FOR_GETPASS_GNU
 REPLACE_GETPASS
 REPLACE_GETPAGESIZE
 REPLACE_GETGROUPS
@@ -1518,10 +1695,19 @@ REPLACE_GETCWD
 REPLACE_FTRUNCATE
 REPLACE_FCHOWNAT
 REPLACE_FACCESSAT
+REPLACE_EXECVPE
+REPLACE_EXECVP
+REPLACE_EXECVE
+REPLACE_EXECV
+REPLACE_EXECLP
+REPLACE_EXECLE
+REPLACE_EXECL
 REPLACE_DUP2
 REPLACE_DUP
+REPLACE_COPY_FILE_RANGE
 REPLACE_CLOSE
 REPLACE_CHOWN
+REPLACE_ACCESS
 HAVE_SYS_PARAM_H
 HAVE_OS_H
 HAVE_DECL_TTYNAME_R
@@ -1534,6 +1720,7 @@ HAVE_DECL_GETLOGIN
 HAVE_DECL_GETDOMAINNAME
 HAVE_DECL_FDATASYNC
 HAVE_DECL_FCHDIR
+HAVE_DECL_EXECVPE
 HAVE_DECL_ENVIRON
 HAVE_USLEEP
 HAVE_UNLINKAT
@@ -1556,6 +1743,7 @@ HAVE_GETPAGESIZE
 HAVE_GETLOGIN
 HAVE_GETHOSTNAME
 HAVE_GETGROUPS
+HAVE_GETENTROPY
 HAVE_GETDTABLESIZE
 HAVE_FTRUNCATE
 HAVE_FSYNC
@@ -1563,87 +1751,185 @@ HAVE_FDATASYNC
 HAVE_FCHOWNAT
 HAVE_FCHDIR
 HAVE_FACCESSAT
+HAVE_EXECVPE
 HAVE_EUIDACCESS
 HAVE_DUP3
-HAVE_DUP2
+HAVE_COPY_FILE_RANGE
 HAVE_CHOWN
-GNULIB_WRITE
-GNULIB_USLEEP
-GNULIB_UNLINKAT
-GNULIB_UNLINK
-GNULIB_UNISTD_H_SIGPIPE
-GNULIB_UNISTD_H_NONBLOCKING
-GNULIB_TTYNAME_R
-GNULIB_TRUNCATE
-GNULIB_SYMLINKAT
-GNULIB_SYMLINK
-GNULIB_SLEEP
-GNULIB_SETHOSTNAME
-GNULIB_RMDIR
-GNULIB_READLINKAT
-GNULIB_READLINK
-GNULIB_READ
-GNULIB_PWRITE
-GNULIB_PREAD
-GNULIB_PIPE2
-GNULIB_PIPE
-GNULIB_LSEEK
-GNULIB_LINKAT
-GNULIB_LINK
-GNULIB_LCHOWN
-GNULIB_ISATTY
-GNULIB_GROUP_MEMBER
-GNULIB_GETUSERSHELL
-GNULIB_GETPASS
-GNULIB_GETPAGESIZE
-GNULIB_GETLOGIN_R
-GNULIB_GETLOGIN
-GNULIB_GETHOSTNAME
-GNULIB_GETGROUPS
-GNULIB_GETDTABLESIZE
-GNULIB_GETDOMAINNAME
-GNULIB_GETCWD
-GNULIB_FTRUNCATE
-GNULIB_FSYNC
-GNULIB_FDATASYNC
-GNULIB_FCHOWNAT
-GNULIB_FCHDIR
-GNULIB_FACCESSAT
-GNULIB_EUIDACCESS
-GNULIB_ENVIRON
-GNULIB_DUP3
-GNULIB_DUP2
-GNULIB_DUP
-GNULIB_CLOSE
-GNULIB_CHOWN
-GNULIB_CHDIR
+GL_GNULIB_MDA_WRITE
+GL_GNULIB_MDA_UNLINK
+GL_GNULIB_MDA_SWAB
+GL_GNULIB_MDA_RMDIR
+GL_GNULIB_MDA_READ
+GL_GNULIB_MDA_LSEEK
+GL_GNULIB_MDA_ISATTY
+GL_GNULIB_MDA_GETPID
+GL_GNULIB_MDA_GETCWD
+GL_GNULIB_MDA_EXECVPE
+GL_GNULIB_MDA_EXECVP
+GL_GNULIB_MDA_EXECVE
+GL_GNULIB_MDA_EXECV
+GL_GNULIB_MDA_EXECLP
+GL_GNULIB_MDA_EXECLE
+GL_GNULIB_MDA_EXECL
+GL_GNULIB_MDA_DUP2
+GL_GNULIB_MDA_DUP
+GL_GNULIB_MDA_CLOSE
+GL_GNULIB_MDA_CHDIR
+GL_GNULIB_MDA_ACCESS
+GL_GNULIB_WRITE
+GL_GNULIB_USLEEP
+GL_GNULIB_UNLINKAT
+GL_GNULIB_UNLINK
+GL_GNULIB_UNISTD_H_SIGPIPE
+GL_GNULIB_UNISTD_H_NONBLOCKING
+GL_GNULIB_UNISTD_H_GETOPT
+GL_GNULIB_TTYNAME_R
+GL_GNULIB_TRUNCATE
+GL_GNULIB_SYMLINKAT
+GL_GNULIB_SYMLINK
+GL_GNULIB_SLEEP
+GL_GNULIB_SETHOSTNAME
+GL_GNULIB_RMDIR
+GL_GNULIB_READLINKAT
+GL_GNULIB_READLINK
+GL_GNULIB_READ
+GL_GNULIB_PWRITE
+GL_GNULIB_PREAD
+GL_GNULIB_PIPE2
+GL_GNULIB_PIPE
+GL_GNULIB_LSEEK
+GL_GNULIB_LINKAT
+GL_GNULIB_LINK
+GL_GNULIB_LCHOWN
+GL_GNULIB_ISATTY
+GL_GNULIB_GROUP_MEMBER
+GL_GNULIB_GETUSERSHELL
+GL_GNULIB_GETPASS_GNU
+GL_GNULIB_GETPASS
+GL_GNULIB_GETPAGESIZE
+GL_GNULIB_GETOPT_POSIX
+GL_GNULIB_GETLOGIN_R
+GL_GNULIB_GETLOGIN
+GL_GNULIB_GETHOSTNAME
+GL_GNULIB_GETGROUPS
+GL_GNULIB_GETENTROPY
+GL_GNULIB_GETDTABLESIZE
+GL_GNULIB_GETDOMAINNAME
+GL_GNULIB_GETCWD
+GL_GNULIB_FTRUNCATE
+GL_GNULIB_FSYNC
+GL_GNULIB_FDATASYNC
+GL_GNULIB_FCHOWNAT
+GL_GNULIB_FCHDIR
+GL_GNULIB_FACCESSAT
+GL_GNULIB_EXECVPE
+GL_GNULIB_EXECVP
+GL_GNULIB_EXECVE
+GL_GNULIB_EXECV
+GL_GNULIB_EXECLP
+GL_GNULIB_EXECLE
+GL_GNULIB_EXECL
+GL_GNULIB_EUIDACCESS
+GL_GNULIB_ENVIRON
+GL_GNULIB_DUP3
+GL_GNULIB_DUP2
+GL_GNULIB_DUP
+GL_GNULIB_COPY_FILE_RANGE
+GL_GNULIB_CLOSE
+GL_GNULIB_CHOWN
+GL_GNULIB_CHDIR
+GL_GNULIB_ACCESS
+GL_COND_OBJ_CANONICALIZE_LGPL_FALSE
+GL_COND_OBJ_CANONICALIZE_LGPL_TRUE
+GL_GNULIB_MDA_PUTENV
+GL_GNULIB_MDA_MKTEMP
+GL_GNULIB_MDA_GCVT
+GL_GNULIB_MDA_FCVT
+GL_GNULIB_MDA_ECVT
+GL_GNULIB_WCTOMB
+GL_GNULIB_UNSETENV
+GL_GNULIB_UNLOCKPT
+GL_GNULIB_SYSTEM_POSIX
+GL_GNULIB_STRTOULL
+GL_GNULIB_STRTOUL
+GL_GNULIB_STRTOLL
+GL_GNULIB_STRTOLD
+GL_GNULIB_STRTOL
+GL_GNULIB_STRTOD
+GL_GNULIB_SETENV
+GL_GNULIB_SECURE_GETENV
+GL_GNULIB_RPMATCH
+GL_GNULIB_REALPATH
+GL_GNULIB_REALLOC_POSIX
+GL_GNULIB_REALLOC_GNU
+GL_GNULIB_REALLOCARRAY
+GL_GNULIB_RANDOM_R
+GL_GNULIB_RANDOM
+GL_GNULIB_QSORT_R
+GL_GNULIB_PUTENV
+GL_GNULIB_PTSNAME_R
+GL_GNULIB_PTSNAME
+GL_GNULIB_POSIX_OPENPT
+GL_GNULIB_POSIX_MEMALIGN
+GL_GNULIB_MKSTEMPS
+GL_GNULIB_MKSTEMP
+GL_GNULIB_MKOSTEMPS
+GL_GNULIB_MKOSTEMP
+GL_GNULIB_MKDTEMP
+GL_GNULIB_MBTOWC
+GL_GNULIB_MALLOC_POSIX
+GL_GNULIB_MALLOC_GNU
+GL_GNULIB_GRANTPT
+GL_GNULIB_GETSUBOPT
+GL_GNULIB_GETLOADAVG
+GL_GNULIB_FREE_POSIX
+GL_GNULIB_CANONICALIZE_FILE_NAME
+GL_GNULIB_CALLOC_POSIX
+GL_GNULIB_CALLOC_GNU
+GL_GNULIB_ATOLL
+GL_GNULIB_ALIGNED_ALLOC
+GL_GNULIB__EXIT
 REPLACE_WCTOMB
 REPLACE_UNSETENV
+REPLACE_STRTOULL
+REPLACE_STRTOUL
+REPLACE_STRTOLL
 REPLACE_STRTOLD
+REPLACE_STRTOL
 REPLACE_STRTOD
 REPLACE_SETSTATE
 REPLACE_SETENV
 REPLACE_REALPATH
-REPLACE_REALLOC
+REPLACE_REALLOCARRAY
+REPLACE_REALLOC_FOR_REALLOC_POSIX
+REPLACE_REALLOC_FOR_REALLOC_GNU
 REPLACE_RANDOM_R
 REPLACE_RANDOM
 REPLACE_QSORT_R
 REPLACE_PUTENV
 REPLACE_PTSNAME_R
 REPLACE_PTSNAME
+REPLACE_POSIX_MEMALIGN
 REPLACE_MKSTEMP
 REPLACE_MBTOWC
-REPLACE_MALLOC
+REPLACE_MALLOC_FOR_MALLOC_POSIX
+REPLACE_MALLOC_FOR_MALLOC_GNU
 REPLACE_INITSTATE
+REPLACE_FREE
 REPLACE_CANONICALIZE_FILE_NAME
-REPLACE_CALLOC
+REPLACE_CALLOC_FOR_CALLOC_POSIX
+REPLACE_CALLOC_FOR_CALLOC_GNU
+REPLACE_ALIGNED_ALLOC
 HAVE_DECL_UNSETENV
 HAVE_UNLOCKPT
 HAVE_SYS_LOADAVG_H
 HAVE_STRUCT_RANDOM_DATA
 HAVE_STRTOULL
+HAVE_STRTOUL
 HAVE_STRTOLL
 HAVE_STRTOLD
+HAVE_STRTOL
 HAVE_STRTOD
 HAVE_DECL_SETSTATE
 HAVE_SETSTATE
@@ -1660,6 +1946,7 @@ HAVE_QSORT_R
 HAVE_PTSNAME_R
 HAVE_PTSNAME
 HAVE_POSIX_OPENPT
+HAVE_POSIX_MEMALIGN
 HAVE_MKSTEMPS
 HAVE_MKSTEMP
 HAVE_MKOSTEMPS
@@ -1671,51 +1958,27 @@ HAVE_INITSTATE
 HAVE_GRANTPT
 HAVE_GETSUBOPT
 HAVE_DECL_GETLOADAVG
+HAVE_DECL_GCVT
+HAVE_DECL_FCVT
+HAVE_DECL_ECVT
 HAVE_CANONICALIZE_FILE_NAME
 HAVE_ATOLL
+HAVE_ALIGNED_ALLOC
 HAVE__EXIT
-GNULIB_WCTOMB
-GNULIB_UNSETENV
-GNULIB_UNLOCKPT
-GNULIB_SYSTEM_POSIX
-GNULIB_STRTOULL
-GNULIB_STRTOLL
-GNULIB_STRTOLD
-GNULIB_STRTOD
-GNULIB_SETENV
-GNULIB_SECURE_GETENV
-GNULIB_RPMATCH
-GNULIB_REALPATH
-GNULIB_REALLOC_POSIX
-GNULIB_REALLOCARRAY
-GNULIB_RANDOM_R
-GNULIB_RANDOM
-GNULIB_QSORT_R
-GNULIB_PUTENV
-GNULIB_PTSNAME_R
-GNULIB_PTSNAME
-GNULIB_POSIX_OPENPT
-GNULIB_MKSTEMPS
-GNULIB_MKSTEMP
-GNULIB_MKOSTEMPS
-GNULIB_MKOSTEMP
-GNULIB_MKDTEMP
-GNULIB_MBTOWC
-GNULIB_MALLOC_POSIX
-GNULIB_GRANTPT
-GNULIB_GETSUBOPT
-GNULIB_GETLOADAVG
-GNULIB_CANONICALIZE_FILE_NAME
-GNULIB_CALLOC_POSIX
-GNULIB_ATOLL
-GNULIB__EXIT
-HAVE_ALLOCA_H
 GL_GENERATE_ALLOCA_H_FALSE
 GL_GENERATE_ALLOCA_H_TRUE
 ALLOCA_H
+HAVE_ALLOCA_H
 ALLOCA
 GL_COND_LIBTOOL_FALSE
 GL_COND_LIBTOOL_TRUE
+RANLIB
+ARFLAGS
+ac_ct_AR
+AR
+EGREP
+GREP
+CPP
 host_os
 host_vendor
 host_cpu
@@ -1724,13 +1987,6 @@ build_os
 build_vendor
 build_cpu
 build
-RANLIB
-ARFLAGS
-ac_ct_AR
-AR
-EGREP
-GREP
-CPP
 OPENMP_CFLAGS
 am__fastdepCC_FALSE
 am__fastdepCC_TRUE
@@ -1829,6 +2085,8 @@ enable_maintainer_mode
 enable_dependency_tracking
 enable_openmp
 enable_largefile
+enable_year2038
+enable_cross_guesses
 enable_shared
 enable_static
 with_pic
@@ -2490,6 +2748,9 @@ Optional Features:
                           speeds up one-time build
   --disable-openmp        do not use OpenMP
   --disable-largefile     omit support for large files
+  --disable-year2038      omit support for timestamps past the year 2038
+  --enable-cross-guesses={conservative|risky}
+                          specify policy for cross-compilation guesses
   --enable-shared[=PKGS]  build shared libraries [default=yes]
   --enable-static[=PKGS]  build static libraries [default=yes]
   --enable-fast-install[=PKGS]
@@ -2930,6 +3191,10 @@ printf "%s\n" "$ac_res" >&6; }
 # accordingly. Pass EXTRA-OPTIONS to the compiler, using FLAG-VAR.
 ac_fn_check_decl ()
 {
+  ac_save_ac_compile="$ac_compile"
+  if test -n "$ac_compile_for_check_decl"; then
+    ac_compile="$ac_compile_for_check_decl"
+  fi
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   as_decl_name=`echo $2|sed 's/ *(.*//'`
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
@@ -2973,6 +3238,7 @@ eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 printf "%s\n" "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  ac_compile="$ac_save_ac_compile"
 
 } # ac_fn_check_decl
 
@@ -3836,16 +4102,17 @@ as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"
 as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"
 as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"
 as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"
+as_fn_append ac_header_c_list " wchar.h wchar_h HAVE_WCHAR_H"
+as_fn_append ac_header_c_list " minix/config.h minix_config_h HAVE_MINIX_CONFIG_H"
 as_fn_append ac_func_c_list " canonicalize_file_name HAVE_CANONICALIZE_FILE_NAME"
-as_fn_append ac_func_c_list " getcwd HAVE_GETCWD"
-as_fn_append ac_func_c_list " readlink HAVE_READLINK"
+as_fn_append ac_func_c_list " faccessat HAVE_FACCESSAT"
 as_fn_append ac_func_c_list " realpath HAVE_REALPATH"
+as_fn_append ac_func_c_list " lstat HAVE_LSTAT"
 as_fn_append ac_header_c_list " sys/param.h sys_param_h HAVE_SYS_PARAM_H"
 as_fn_append ac_func_c_list " _set_invalid_parameter_handler HAVE__SET_INVALID_PARAMETER_HANDLER"
 as_fn_append ac_header_c_list " sys/socket.h sys_socket_h HAVE_SYS_SOCKET_H"
 as_fn_append ac_func_c_list " fchdir HAVE_FCHDIR"
 as_fn_append ac_header_c_list " dirent.h dirent_h HAVE_DIRENT_H"
-as_fn_append ac_func_c_list " faccessat HAVE_FACCESSAT"
 as_fn_append ac_func_c_list " fcntl HAVE_FCNTL"
 as_fn_append ac_func_c_list " symlink HAVE_SYMLINK"
 as_fn_append ac_func_c_list " fdopendir HAVE_FDOPENDIR"
@@ -3858,26 +4125,24 @@ as_fn_append ac_header_c_list " getopt.h getopt_h HAVE_GETOPT_H"
 as_fn_append ac_header_c_list " sys/cdefs.h sys_cdefs_h HAVE_SYS_CDEFS_H"
 as_fn_append ac_func_c_list " getprogname HAVE_GETPROGNAME"
 as_fn_append ac_func_c_list " getexecname HAVE_GETEXECNAME"
-as_fn_append ac_func_c_list " gettimeofday HAVE_GETTIMEOFDAY"
+as_fn_append ac_func_c_list " timespec_get HAVE_TIMESPEC_GET"
 as_fn_append ac_header_c_list " sys/time.h sys_time_h HAVE_SYS_TIME_H"
+as_fn_append ac_func_c_list " gettimeofday HAVE_GETTIMEOFDAY"
 as_fn_append ac_header_c_list " limits.h limits_h HAVE_LIMITS_H"
-as_fn_append ac_header_c_list " wchar.h wchar_h HAVE_WCHAR_H"
-as_fn_append ac_func_c_list " lstat HAVE_LSTAT"
 as_fn_append ac_header_c_list " math.h math_h HAVE_MATH_H"
 as_fn_append ac_header_c_list " sys/mman.h sys_mman_h HAVE_SYS_MMAN_H"
 as_fn_append ac_func_c_list " mprotect HAVE_MPROTECT"
 as_fn_append ac_func_c_list " mkdirat HAVE_MKDIRAT"
 as_fn_append ac_func_c_list " openat HAVE_OPENAT"
+as_fn_append ac_func_c_list " pipe HAVE_PIPE"
 gl_printf_safe=yes
+as_fn_append ac_func_c_list " readlink HAVE_READLINK"
 as_fn_append ac_func_c_list " readlinkat HAVE_READLINKAT"
 as_fn_append ac_func_c_list " link HAVE_LINK"
 as_fn_append ac_func_c_list " renameat HAVE_RENAMEAT"
 as_fn_append ac_func_c_list " renameat2 HAVE_RENAMEAT2"
-as_fn_append ac_func_c_list " strdup HAVE_STRDUP"
 as_fn_append ac_func_c_list " symlinkat HAVE_SYMLINKAT"
-as_fn_append ac_func_c_list " pipe HAVE_PIPE"
 as_fn_append ac_func_c_list " unlinkat HAVE_UNLINKAT"
-as_fn_append ac_func_c_list " utime HAVE_UTIME"
 as_fn_append ac_header_c_list " utime.h utime_h HAVE_UTIME_H"
 as_fn_append ac_func_c_list " futimes HAVE_FUTIMES"
 as_fn_append ac_func_c_list " futimesat HAVE_FUTIMESAT"
@@ -3891,7 +4156,7 @@ as_fn_append ac_func_c_list " fmemopen HAVE_FMEMOPEN"
 as_fn_append ac_func_c_list " scandirat HAVE_SCANDIRAT"
 
 # Auxiliary files required by this configure script.
-ac_aux_files="ltmain.sh config.guess config.sub ar-lib compile missing install-sh"
+ac_aux_files="ltmain.sh ar-lib config.guess config.sub compile missing install-sh"
 
 # Locations in which to look for auxiliary files.
 ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.."
@@ -5797,6 +6062,84 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler is clang" >&5
+printf %s "checking whether the compiler is clang... " >&6; }
+if test ${gl_cv_compiler_clang+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+                 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+           #ifdef __clang__
+           barfbarf
+           #endif
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_compiler_clang=no
+else $as_nop
+  gl_cv_compiler_clang=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_compiler_clang" >&5
+printf "%s\n" "$gl_cv_compiler_clang" >&6; }
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for compiler option needed when checking for declarations" >&5
+printf %s "checking for compiler option needed when checking for declarations... " >&6; }
+if test ${gl_cv_compiler_check_decl_option+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test $gl_cv_compiler_clang = yes; then
+                     save_ac_compile="$ac_compile"
+       ac_compile="$ac_compile -Werror=implicit-function-declaration"
+                     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_compiler_check_decl_option='-Werror=implicit-function-declaration'
+else $as_nop
+  gl_cv_compiler_check_decl_option=none
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+       ac_compile="$save_ac_compile"
+     else
+       gl_cv_compiler_check_decl_option=none
+     fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_compiler_check_decl_option" >&5
+printf "%s\n" "$gl_cv_compiler_check_decl_option" >&6; }
+  if test "x$gl_cv_compiler_check_decl_option" != xnone; then
+    ac_compile_for_check_decl="$ac_compile $gl_cv_compiler_check_decl_option"
+  else
+    ac_compile_for_check_decl="$ac_compile"
+  fi
+
 DEPDIR="${am__leading_dot}deps"
 
 ac_config_commands="$ac_config_commands depfiles"
@@ -6022,28 +6365,9 @@ printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
 
-  ac_fn_c_check_header_compile "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default"
-if test "x$ac_cv_header_minix_config_h" = xyes
-then :
-  MINIX=yes
-else $as_nop
-  MINIX=
-fi
-
-  if test "$MINIX" = yes; then
-
-printf "%s\n" "#define _POSIX_SOURCE 1" >>confdefs.h
-
-
-printf "%s\n" "#define _POSIX_1_SOURCE 2" >>confdefs.h
-
 
-printf "%s\n" "#define _MINIX 1" >>confdefs.h
 
 
-printf "%s\n" "#define _NETBSD_SOURCE 1" >>confdefs.h
-
-  fi
 
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5
@@ -6075,36 +6399,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_safe_to_define___extensions__" >&5
 printf "%s\n" "$ac_cv_safe_to_define___extensions__" >&6; }
-  test $ac_cv_safe_to_define___extensions__ = yes &&
-    printf "%s\n" "#define __EXTENSIONS__ 1" >>confdefs.h
-
-  printf "%s\n" "#define _ALL_SOURCE 1" >>confdefs.h
-
-  printf "%s\n" "#define _DARWIN_C_SOURCE 1" >>confdefs.h
-
-  printf "%s\n" "#define _GNU_SOURCE 1" >>confdefs.h
-
-  printf "%s\n" "#define _NETBSD_SOURCE 1" >>confdefs.h
-
-  printf "%s\n" "#define _OPENBSD_SOURCE 1" >>confdefs.h
-
-  printf "%s\n" "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
-
-  printf "%s\n" "#define __STDC_WANT_IEC_60559_ATTRIBS_EXT__ 1" >>confdefs.h
-
-  printf "%s\n" "#define __STDC_WANT_IEC_60559_BFP_EXT__ 1" >>confdefs.h
-
-  printf "%s\n" "#define __STDC_WANT_IEC_60559_DFP_EXT__ 1" >>confdefs.h
-
-  printf "%s\n" "#define __STDC_WANT_IEC_60559_FUNCS_EXT__ 1" >>confdefs.h
-
-  printf "%s\n" "#define __STDC_WANT_IEC_60559_TYPES_EXT__ 1" >>confdefs.h
-
-  printf "%s\n" "#define __STDC_WANT_LIB_EXT2__ 1" >>confdefs.h
-
-  printf "%s\n" "#define __STDC_WANT_MATH_SPEC_FUNCS__ 1" >>confdefs.h
-
-  printf "%s\n" "#define _TANDEM_SOURCE 1" >>confdefs.h
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether _XOPEN_SOURCE should be defined" >&5
 printf %s "checking whether _XOPEN_SOURCE should be defined... " >&6; }
@@ -6113,7 +6407,9 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
   ac_cv_should_define__xopen_source=no
-     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+    if test $ac_cv_header_wchar_h = yes
+then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
           #include <wchar.h>
@@ -6133,9 +6429,9 @@ else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-             #define _XOPEN_SOURCE 500
-             #include <wchar.h>
-             mbstate_t x;
+            #define _XOPEN_SOURCE 500
+            #include <wchar.h>
+            mbstate_t x;
 int
 main (void)
 {
@@ -6152,13 +6448,62 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
+fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_should_define__xopen_source" >&5
 printf "%s\n" "$ac_cv_should_define__xopen_source" >&6; }
-  test $ac_cv_should_define__xopen_source = yes &&
-    printf "%s\n" "#define _XOPEN_SOURCE 500" >>confdefs.h
+
+  printf "%s\n" "#define _ALL_SOURCE 1" >>confdefs.h
+
+  printf "%s\n" "#define _DARWIN_C_SOURCE 1" >>confdefs.h
+
+  printf "%s\n" "#define _GNU_SOURCE 1" >>confdefs.h
 
   printf "%s\n" "#define _HPUX_ALT_XOPEN_SOCKET_API 1" >>confdefs.h
 
+  printf "%s\n" "#define _NETBSD_SOURCE 1" >>confdefs.h
+
+  printf "%s\n" "#define _OPENBSD_SOURCE 1" >>confdefs.h
+
+  printf "%s\n" "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_ATTRIBS_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_BFP_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_DFP_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_FUNCS_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_IEC_60559_TYPES_EXT__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_LIB_EXT2__ 1" >>confdefs.h
+
+  printf "%s\n" "#define __STDC_WANT_MATH_SPEC_FUNCS__ 1" >>confdefs.h
+
+  printf "%s\n" "#define _TANDEM_SOURCE 1" >>confdefs.h
+
+  if test $ac_cv_header_minix_config_h = yes
+then :
+  MINIX=yes
+    printf "%s\n" "#define _MINIX 1" >>confdefs.h
+
+    printf "%s\n" "#define _POSIX_SOURCE 1" >>confdefs.h
+
+    printf "%s\n" "#define _POSIX_1_SOURCE 2" >>confdefs.h
+
+else $as_nop
+  MINIX=
+fi
+  if test $ac_cv_safe_to_define___extensions__ = yes
+then :
+  printf "%s\n" "#define __EXTENSIONS__ 1" >>confdefs.h
+
+fi
+  if test $ac_cv_should_define__xopen_source = yes
+then :
+  printf "%s\n" "#define _XOPEN_SOURCE 500" >>confdefs.h
+
+fi
 
 if test -e penmp || test -e mp; then
   as_fn_error $? "AC_OPENMP clobbers files named 'mp' and 'penmp'. Aborting configure because one of these files already exists." "$LINENO" 5
@@ -6241,9 +6586,90 @@ printf "%s\n" "$ac_cv_prog_c_openmp" >&6; }
 
 
 
+  # Make sure we can run config.sub.
+$SHELL "${ac_aux_dir}config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error $? "cannot run $SHELL ${ac_aux_dir}config.sub" "$LINENO" 5
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+printf %s "checking build system type... " >&6; }
+if test ${ac_cv_build+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`
+test "x$ac_build_alias" = x &&
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
+  as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+printf "%s\n" "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+printf %s "checking host system type... " >&6; }
+if test ${ac_cv_host+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
+    as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+printf "%s\n" "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+
 
 
 
+  case "$host_os" in
+    openbsd*)
+
+printf "%s\n" "#define _ISOC11_SOURCE 1" >>confdefs.h
+
+      ;;
+  esac
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -6966,81 +7392,6 @@ fi
 
 
 
-  # Make sure we can run config.sub.
-$SHELL "${ac_aux_dir}config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error $? "cannot run $SHELL ${ac_aux_dir}config.sub" "$LINENO" 5
-
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-printf %s "checking build system type... " >&6; }
-if test ${ac_cv_build+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_build_alias=$build_alias
-test "x$ac_build_alias" = x &&
-  ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`
-test "x$ac_build_alias" = x &&
-  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
-ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
-  as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-printf "%s\n" "$ac_cv_build" >&6; }
-case $ac_cv_build in
-*-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
-esac
-build=$ac_cv_build
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_build
-shift
-build_cpu=$1
-build_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-build_os=$*
-IFS=$ac_save_IFS
-case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
-
-
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-printf %s "checking host system type... " >&6; }
-if test ${ac_cv_host+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "x$host_alias" = x; then
-  ac_cv_host=$ac_cv_build
-else
-  ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
-    as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
-fi
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-printf "%s\n" "$ac_cv_host" >&6; }
-case $ac_cv_host in
-*-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
-esac
-host=$ac_cv_host
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_host
-shift
-host_cpu=$1
-host_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-host_os=$*
-IFS=$ac_save_IFS
-case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
-
-
-
-
 
   # IEEE behaviour is the default on all CPUs except Alpha and SH
   # (according to the test results of Bruno Haible's ieeefp/fenv_default.m4
@@ -7074,8 +7425,8 @@ then :
   enableval=$enable_largefile;
 fi
 
-if test "$enable_largefile" != no; then
-
+if test "$enable_largefile" != no
+then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
 printf %s "checking for special C compiler options needed for large files... " >&6; }
 if test ${ac_cv_sys_largefile_CC+y}
@@ -7086,9 +7437,9 @@ else $as_nop
      if test "$GCC" != yes; then
        ac_save_CC=$CC
        while :; do
-	 # IRIX 6.2 and later do not support large files by default,
-	 # so use the C compiler's -n32 option if that helps.
-	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+         # IRIX 6.2 and later do not support large files by default,
+         # so use the C compiler's -n32 option if that helps.
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
@@ -7107,18 +7458,18 @@ main (void)
   return 0;
 }
 _ACEOF
-	 if ac_fn_c_try_compile "$LINENO"
+         if ac_fn_c_try_compile "$LINENO"
 then :
   break
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam
-	 CC="$CC -n32"
-	 if ac_fn_c_try_compile "$LINENO"
+         CC="$CC -n32"
+         if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_sys_largefile_CC=' -n32'; break
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam
-	 break
+         break
        done
        CC=$ac_save_CC
        rm -f conftest.$ac_ext
@@ -7163,6 +7514,7 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+#undef _FILE_OFFSET_BITS
 #define _FILE_OFFSET_BITS 64
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
@@ -7199,7 +7551,8 @@ printf "%s\n" "#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits" >>confdefs
 ;;
 esac
 rm -rf conftest*
-  if test $ac_cv_sys_file_offset_bits = unknown; then
+  case $ac_cv_sys_file_offset_bits in #(
+  unknown) :
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
 printf %s "checking for _LARGE_FILES value needed for large files... " >&6; }
 if test ${ac_cv_sys_large_files+y}
@@ -7233,6 +7586,7 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+#undef _LARGE_FILES
 #define _LARGE_FILES 1
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
@@ -7268,9 +7622,143 @@ case $ac_cv_sys_large_files in #(
 printf "%s\n" "#define _LARGE_FILES $ac_cv_sys_large_files" >>confdefs.h
 ;;
 esac
-rm -rf conftest*
+rm -rf conftest* ;; #(
+  64) :
+
+ # Check whether --enable-year2038 was given.
+if test ${enable_year2038+y}
+then :
+  enableval=$enable_year2038;
+fi
+
+ if test "$enable_year2038" != no
+then :
+
+                            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for time_t past the year 2038" >&5
+printf %s "checking for time_t past the year 2038... " >&6; }
+if test ${gl_cv_type_time_t_y2038+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+  #include <time.h>
+  /* Check that time_t can represent 2**32 - 1 correctly.  */
+  #define LARGE_TIME_T \\
+    ((time_t) (((time_t) 1 << 30) - 1 + 3 * ((time_t) 1 << 30)))
+  int verify_time_t_range[(LARGE_TIME_T / 65537 == 65535
+                           && LARGE_TIME_T % 65537 == 0)
+                          ? 1 : -1];
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_type_time_t_y2038=yes
+else $as_nop
+  gl_cv_type_time_t_y2038=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_type_time_t_y2038" >&5
+printf "%s\n" "$gl_cv_type_time_t_y2038" >&6; }
+  if test "$gl_cv_type_time_t_y2038" = no; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for 64-bit time_t with _TIME_BITS=64" >&5
+printf %s "checking for 64-bit time_t with _TIME_BITS=64... " >&6; }
+if test ${gl_cv_type_time_t_bits_macro+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _TIME_BITS 64
+                           #define _FILE_OFFSET_BITS 64
+
+  #include <time.h>
+  /* Check that time_t can represent 2**32 - 1 correctly.  */
+  #define LARGE_TIME_T \\
+    ((time_t) (((time_t) 1 << 30) - 1 + 3 * ((time_t) 1 << 30)))
+  int verify_time_t_range[(LARGE_TIME_T / 65537 == 65535
+                           && LARGE_TIME_T % 65537 == 0)
+                          ? 1 : -1];
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_type_time_t_bits_macro=yes
+else $as_nop
+  gl_cv_type_time_t_bits_macro=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_type_time_t_bits_macro" >&5
+printf "%s\n" "$gl_cv_type_time_t_bits_macro" >&6; }
+    if test "$gl_cv_type_time_t_bits_macro" = yes; then
+
+printf "%s\n" "#define _TIME_BITS 64" >>confdefs.h
+
+
+printf "%s\n" "#define _FILE_OFFSET_BITS 64" >>confdefs.h
+
+      gl_cv_type_time_t_y2038=yes
+    fi
+  fi
+  if test $gl_cv_type_time_t_y2038 = no; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifdef _USE_32BIT_TIME_T
+             int ok;
+           #else
+             error fail
+           #endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "The 'time_t' type stops working after January 2038.
+          Remove _USE_32BIT_TIME_T from the compiler flags.
+See \`config.log' for more details" "$LINENO" 5; }
+else $as_nop
+  # If not cross-compiling and  says we should check,
+       # and 'touch' works with a large timestamp, then evidently wider time_t
+       # is desired and supported, so fail and ask the builder to fix the
+       # problem.  Otherwise, just warn the builder.
+
+       if test "$gl_warned_about_y2038" != yes; then
+         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: The 'time_t' type stops working after January 2038,
+            and this package needs a wider 'time_t' type
+            if there is any way to access timestamps after that.
+            Configure with 'CC=\"${CC} -m64\"' perhaps?" >&5
+printf "%s\n" "$as_me: WARNING: The 'time_t' type stops working after January 2038,
+            and this package needs a wider 'time_t' type
+            if there is any way to access timestamps after that.
+            Configure with 'CC=\"${CC} -m64\"' perhaps?" >&2;}
+         gl_warned_about_y2038=yes
+       fi
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   fi
 fi
+ ;; #(
+  *) :
+     ;;
+esac
+fi
+
+
+
+  case "$host_os" in
+    mingw*)
+
+printf "%s\n" "#define __MINGW_USE_VC2005_COMPAT 1" >>confdefs.h
+
+      ;;
+  esac
 
 
 
@@ -7278,10 +7766,17 @@ fi
 
 
 
+
   # Code from module absolute-header:
   # Code from module alloca-opt:
   # Code from module assure:
   # Code from module at-internal:
+  # Code from module attribute:
+  # Code from module basename-lgpl:
+  # Code from module builtin-expect:
+  # Code from module c99:
+  # Code from module calloc-gnu:
+  # Code from module calloc-posix:
   # Code from module canonicalize-lgpl:
   # Code from module chdir:
   # Code from module chdir-long:
@@ -7292,10 +7787,10 @@ fi
   # Code from module dirent:
   # Code from module dirfd:
   # Code from module dirname-lgpl:
-  # Code from module dosname:
   # Code from module double-slash-root:
   # Code from module dup:
   # Code from module dup2:
+  # Code from module eloop-threshold:
   # Code from module errno:
   # Code from module error:
   # Code from module euidaccess:
@@ -7315,11 +7810,13 @@ fi
   # Code from module fpieee:
 
   # Code from module fpucw:
+  # Code from module free-posix:
   # Code from module frexp-nolibm:
   # Code from module frexpl-nolibm:
   # Code from module fstat:
   # Code from module fstatat:
   # Code from module futimens:
+  # Code from module gen-header:
   # Code from module getcwd-lgpl:
   # Code from module getdelim:
   # Code from module getdtablesize:
@@ -7331,6 +7828,8 @@ fi
   # Code from module gettime:
   # Code from module gettimeofday:
   # Code from module group-member:
+  # Code from module ialloc:
+  # Code from module idx:
   # Code from module include_next:
   # Code from module intprops:
   # Code from module inttypes:
@@ -7340,15 +7839,18 @@ fi
   # Code from module isnanl-nolibm:
   # Code from module largefile:
 
+
+  # Code from module libc-config:
   # Code from module limits-h:
-  # Code from module localtime-buffer:
   # Code from module lstat:
+  # Code from module malloc-gnu:
   # Code from module malloc-posix:
   # Code from module malloca:
   # Code from module math:
   # Code from module memchr:
   # Code from module mempcpy:
   # Code from module memrchr:
+  # Code from module minmax:
   # Code from module mkdir:
   # Code from module mkdirat:
   # Code from module msvc-inval:
@@ -7361,12 +7863,16 @@ fi
   # Code from module openat-h:
   # Code from module opendir:
   # Code from module pathmax:
+  # Code from module pipe-posix:
   # Code from module printf-frexp:
   # Code from module printf-frexpl:
   # Code from module printf-safe:
+  # Code from module rawmemchr:
   # Code from module readlink:
   # Code from module readlinkat:
+  # Code from module realloc-gnu:
   # Code from module realloc-posix:
+  # Code from module reallocarray:
   # Code from module rename:
   # Code from module renameat:
   # Code from module renameatu:
@@ -7374,6 +7880,7 @@ fi
   # Code from module root-uid:
   # Code from module same-inode:
   # Code from module save-cwd:
+  # Code from module scratch_buffer:
   # Code from module signbit:
   # Code from module size_max:
   # Code from module snippet/_Noreturn:
@@ -7384,6 +7891,8 @@ fi
   # Code from module stat:
   # Code from module stat-time:
   # Code from module statat:
+  # Code from module std-gnu11:
+  # Code from module stdalign:
   # Code from module stdbool:
   # Code from module stddef:
   # Code from module stdint:
@@ -7412,6 +7921,7 @@ fi
   # Code from module utime-h:
   # Code from module utimens:
   # Code from module utimensat:
+  # Code from module vararrays:
   # Code from module vasnprintf:
   # Code from module vasprintf:
   # Code from module vasprintf-posix:
@@ -7427,9 +7937,33 @@ fi
 
 
 
+
+
+
+                        # Check whether --enable-cross-guesses was given.
+if test ${enable_cross_guesses+y}
+then :
+  enableval=$enable_cross_guesses; if test "x$enableval" != xconservative && test "x$enableval" != xrisky; then
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: invalid argument supplied to --enable-cross-guesses" >&5
+printf "%s\n" "$as_me: WARNING: invalid argument supplied to --enable-cross-guesses" >&2;}
+       enableval=conservative
+     fi
+     gl_cross_guesses="$enableval"
+else $as_nop
+  gl_cross_guesses=conservative
+fi
+
+  if test $gl_cross_guesses = risky; then
+    gl_cross_guess_normal="guessing yes"
+    gl_cross_guess_inverted="guessing no"
+  else
+    gl_cross_guess_normal="guessing no"
+    gl_cross_guess_inverted="guessing yes"
+  fi
           LIBC_FATAL_STDERR_=1
   export LIBC_FATAL_STDERR_
 
+
 ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
 if test "x$ac_cv_type_size_t" = xyes
 then :
@@ -7594,44 +8128,13 @@ printf "%s\n" "#define STACK_DIRECTION $ac_cv_c_stack_direction" >>confdefs.h
 fi
 
 
-  GNULIB__EXIT=0;
-  GNULIB_ATOLL=0;
-  GNULIB_CALLOC_POSIX=0;
-  GNULIB_CANONICALIZE_FILE_NAME=0;
-  GNULIB_GETLOADAVG=0;
-  GNULIB_GETSUBOPT=0;
-  GNULIB_GRANTPT=0;
-  GNULIB_MALLOC_POSIX=0;
-  GNULIB_MBTOWC=0;
-  GNULIB_MKDTEMP=0;
-  GNULIB_MKOSTEMP=0;
-  GNULIB_MKOSTEMPS=0;
-  GNULIB_MKSTEMP=0;
-  GNULIB_MKSTEMPS=0;
-  GNULIB_POSIX_OPENPT=0;
-  GNULIB_PTSNAME=0;
-  GNULIB_PTSNAME_R=0;
-  GNULIB_PUTENV=0;
-  GNULIB_QSORT_R=0;
-  GNULIB_RANDOM=0;
-  GNULIB_RANDOM_R=0;
-  GNULIB_REALLOCARRAY=0;
-  GNULIB_REALLOC_POSIX=0;
-  GNULIB_REALPATH=0;
-  GNULIB_RPMATCH=0;
-  GNULIB_SECURE_GETENV=0;
-  GNULIB_SETENV=0;
-  GNULIB_STRTOD=0;
-  GNULIB_STRTOLD=0;
-  GNULIB_STRTOLL=0;
-  GNULIB_STRTOULL=0;
-  GNULIB_SYSTEM_POSIX=0;
-  GNULIB_UNLOCKPT=0;
-  GNULIB_UNSETENV=0;
-  GNULIB_WCTOMB=0;
     HAVE__EXIT=1;
+  HAVE_ALIGNED_ALLOC=1;
   HAVE_ATOLL=1;
   HAVE_CANONICALIZE_FILE_NAME=1;
+  HAVE_DECL_ECVT=1;
+  HAVE_DECL_FCVT=1;
+  HAVE_DECL_GCVT=1;
   HAVE_DECL_GETLOADAVG=1;
   HAVE_GETSUBOPT=1;
   HAVE_GRANTPT=1;
@@ -7643,6 +8146,7 @@ fi
   HAVE_MKOSTEMPS=1;
   HAVE_MKSTEMP=1;
   HAVE_MKSTEMPS=1;
+  HAVE_POSIX_MEMALIGN=1;
   HAVE_POSIX_OPENPT=1;
   HAVE_PTSNAME=1;
   HAVE_PTSNAME_R=1;
@@ -7659,34 +8163,406 @@ fi
   HAVE_SETSTATE=1;
   HAVE_DECL_SETSTATE=1;
   HAVE_STRTOD=1;
+  HAVE_STRTOL=1;
   HAVE_STRTOLD=1;
   HAVE_STRTOLL=1;
+  HAVE_STRTOUL=1;
   HAVE_STRTOULL=1;
   HAVE_STRUCT_RANDOM_DATA=1;
   HAVE_SYS_LOADAVG_H=0;
   HAVE_UNLOCKPT=1;
   HAVE_DECL_UNSETENV=1;
-  REPLACE_CALLOC=0;
+  REPLACE_ALIGNED_ALLOC=0;
+  REPLACE_CALLOC_FOR_CALLOC_GNU=0;
+  REPLACE_CALLOC_FOR_CALLOC_POSIX=0;
   REPLACE_CANONICALIZE_FILE_NAME=0;
+  REPLACE_FREE=0;
   REPLACE_INITSTATE=0;
-  REPLACE_MALLOC=0;
+  REPLACE_MALLOC_FOR_MALLOC_GNU=0;
+  REPLACE_MALLOC_FOR_MALLOC_POSIX=0;
   REPLACE_MBTOWC=0;
   REPLACE_MKSTEMP=0;
+  REPLACE_POSIX_MEMALIGN=0;
   REPLACE_PTSNAME=0;
   REPLACE_PTSNAME_R=0;
   REPLACE_PUTENV=0;
   REPLACE_QSORT_R=0;
   REPLACE_RANDOM=0;
   REPLACE_RANDOM_R=0;
-  REPLACE_REALLOC=0;
+  REPLACE_REALLOC_FOR_REALLOC_GNU=0;
+  REPLACE_REALLOC_FOR_REALLOC_POSIX=0;
+  REPLACE_REALLOCARRAY=0;
   REPLACE_REALPATH=0;
   REPLACE_SETENV=0;
   REPLACE_SETSTATE=0;
   REPLACE_STRTOD=0;
+  REPLACE_STRTOL=0;
   REPLACE_STRTOLD=0;
+  REPLACE_STRTOLL=0;
+  REPLACE_STRTOUL=0;
+  REPLACE_STRTOULL=0;
   REPLACE_UNSETENV=0;
   REPLACE_WCTOMB=0;
 
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether malloc is ptrdiff_t safe" >&5
+printf %s "checking whether malloc is ptrdiff_t safe... " >&6; }
+if test ${gl_cv_malloc_ptrdiff+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdint.h>
+
+int
+main (void)
+{
+/* 64-bit ptrdiff_t is so wide that no practical platform
+               can exceed it.  */
+            #define WIDE_PTRDIFF (PTRDIFF_MAX >> 31 >> 31 != 0)
+
+            /* On rare machines where size_t fits in ptrdiff_t there
+               is no problem.  */
+            #define NARROW_SIZE (SIZE_MAX <= PTRDIFF_MAX)
+
+            /* glibc 2.30 and later malloc refuses to exceed ptrdiff_t
+               bounds even on 32-bit platforms.  We don't know which
+               non-glibc systems are safe.  */
+            #define KNOWN_SAFE (2 < __GLIBC__ + (30 <= __GLIBC_MINOR__))
+
+            #if WIDE_PTRDIFF || NARROW_SIZE || KNOWN_SAFE
+              return 0;
+            #else
+              #error "malloc might not be ptrdiff_t safe"
+              syntax error
+            #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_malloc_ptrdiff=yes
+else $as_nop
+  gl_cv_malloc_ptrdiff=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_malloc_ptrdiff" >&5
+printf "%s\n" "$gl_cv_malloc_ptrdiff" >&6; }
+
+
+
+
+  test "$gl_cv_malloc_ptrdiff" = yes || REPLACE_MALLOC_FOR_MALLOC_POSIX=1
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether malloc, realloc, calloc set errno on failure" >&5
+printf %s "checking whether malloc, realloc, calloc set errno on failure... " >&6; }
+if test ${gl_cv_func_malloc_posix+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+                                    case "$host_os" in
+        mingw*)
+          gl_cv_func_malloc_posix=no ;;
+        irix* | solaris*)
+
+          gl_cv_func_malloc_posix=no ;;
+        *)
+          gl_cv_func_malloc_posix=yes ;;
+      esac
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_malloc_posix" >&5
+printf "%s\n" "$gl_cv_func_malloc_posix" >&6; }
+
+
+
+
+
+  if test "$gl_cv_func_malloc_posix" = yes; then
+
+printf "%s\n" "#define HAVE_MALLOC_POSIX 1" >>confdefs.h
+
+  else
+    REPLACE_MALLOC_FOR_MALLOC_POSIX=1
+  fi
+
+
+
+
+  if test $REPLACE_MALLOC_FOR_MALLOC_POSIX = 1; then
+    REPLACE_CALLOC_FOR_CALLOC_POSIX=1
+  fi
+
+
+
+  GL_GNULIB__EXIT=0
+
+
+
+  GL_GNULIB_ALIGNED_ALLOC=0
+
+
+
+  GL_GNULIB_ATOLL=0
+
+
+
+  GL_GNULIB_CALLOC_GNU=0
+
+
+
+  GL_GNULIB_CALLOC_POSIX=0
+
+
+
+  GL_GNULIB_CANONICALIZE_FILE_NAME=0
+
+
+
+  GL_GNULIB_FREE_POSIX=0
+
+
+
+  GL_GNULIB_GETLOADAVG=0
+
+
+
+  GL_GNULIB_GETSUBOPT=0
+
+
+
+  GL_GNULIB_GRANTPT=0
+
+
+
+  GL_GNULIB_MALLOC_GNU=0
+
+
+
+  GL_GNULIB_MALLOC_POSIX=0
+
+
+
+  GL_GNULIB_MBTOWC=0
+
+
+
+  GL_GNULIB_MKDTEMP=0
+
+
+
+  GL_GNULIB_MKOSTEMP=0
+
+
+
+  GL_GNULIB_MKOSTEMPS=0
+
+
+
+  GL_GNULIB_MKSTEMP=0
+
+
+
+  GL_GNULIB_MKSTEMPS=0
+
+
+
+  GL_GNULIB_POSIX_MEMALIGN=0
+
+
+
+  GL_GNULIB_POSIX_OPENPT=0
+
+
+
+  GL_GNULIB_PTSNAME=0
+
+
+
+  GL_GNULIB_PTSNAME_R=0
+
+
+
+  GL_GNULIB_PUTENV=0
+
+
+
+  GL_GNULIB_QSORT_R=0
+
+
+
+  GL_GNULIB_RANDOM=0
+
+
+
+  GL_GNULIB_RANDOM_R=0
+
+
+
+  GL_GNULIB_REALLOCARRAY=0
+
+
+
+  GL_GNULIB_REALLOC_GNU=0
+
+
+
+  GL_GNULIB_REALLOC_POSIX=0
+
+
+
+  GL_GNULIB_REALPATH=0
+
+
+
+  GL_GNULIB_RPMATCH=0
+
+
+
+  GL_GNULIB_SECURE_GETENV=0
+
+
+
+  GL_GNULIB_SETENV=0
+
+
+
+  GL_GNULIB_STRTOD=0
+
+
+
+  GL_GNULIB_STRTOL=0
+
+
+
+  GL_GNULIB_STRTOLD=0
+
+
+
+  GL_GNULIB_STRTOLL=0
+
+
+
+  GL_GNULIB_STRTOUL=0
+
+
+
+  GL_GNULIB_STRTOULL=0
+
+
+
+  GL_GNULIB_SYSTEM_POSIX=0
+
+
+
+  GL_GNULIB_UNLOCKPT=0
+
+
+
+  GL_GNULIB_UNSETENV=0
+
+
+
+  GL_GNULIB_WCTOMB=0
+
+
+
+  GL_GNULIB_MDA_ECVT=1
+
+
+
+  GL_GNULIB_MDA_FCVT=1
+
+
+
+  GL_GNULIB_MDA_GCVT=1
+
+
+
+  GL_GNULIB_MDA_MKTEMP=1
+
+
+
+  GL_GNULIB_MDA_PUTENV=1
+
+
+
+
+         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether lstat correctly handles trailing slash" >&5
+printf %s "checking whether lstat correctly handles trailing slash... " >&6; }
+if test ${gl_cv_func_lstat_dereferences_slashed_symlink+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  rm -f conftest.sym conftest.file
+     echo >conftest.file
+     if test "$cross_compiling" = yes
+then :
+  case "$host_os" in
+          linux-* | linux)
+            # Guess yes on Linux systems.
+            gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
+          *-gnu* | gnu*)
+            # Guess yes on glibc systems.
+            gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
+          mingw*)
+            # Guess no on native Windows.
+            gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;;
+          *)
+            # If we don't know, obey --enable-cross-guesses.
+            gl_cv_func_lstat_dereferences_slashed_symlink="$gl_cross_guess_normal" ;;
+        esac
+
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main (void)
+{
+struct stat sbuf;
+            if (symlink ("conftest.file", "conftest.sym") != 0)
+              return 1;
+            /* Linux will dereference the symlink and fail, as required by
+               POSIX.  That is better in the sense that it means we will not
+               have to compile and use the lstat wrapper.  */
+            return lstat ("conftest.sym/", &sbuf) == 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  gl_cv_func_lstat_dereferences_slashed_symlink=yes
+else $as_nop
+  gl_cv_func_lstat_dereferences_slashed_symlink=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+     rm -f conftest.sym conftest.file
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_lstat_dereferences_slashed_symlink" >&5
+printf "%s\n" "$gl_cv_func_lstat_dereferences_slashed_symlink" >&6; }
+  case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
+    *yes)
+
+printf "%s\n" "#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1" >>confdefs.h
+
+      ;;
+  esac
+
 ac_func=
 for ac_item in $ac_func_c_list
 do
@@ -7703,7 +8579,6 @@ done
 
 
 
-
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether // is distinct from /" >&5
 printf %s "checking whether // is distinct from /... " >&6; }
 if test ${gl_cv_double_slash_root+y}
@@ -7745,6 +8620,7 @@ printf "%s\n" "#define DOUBLE_SLASH_IS_DISTINCT_ROOT 1" >>confdefs.h
 
 
 
+
      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether realpath works" >&5
 printf %s "checking whether realpath works... " >&6; }
 if test ${gl_cv_func_realpath_works+y}
@@ -7752,17 +8628,26 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
 
+    rm -rf conftest.a conftest.d
     touch conftest.a
+    # Assume that if we have lstat, we can also check symlinks.
+    if test $ac_cv_func_lstat = yes; then
+      ln -s conftest.a conftest.l
+    fi
     mkdir conftest.d
     if test "$cross_compiling" = yes
 then :
   case "$host_os" in
                        # Guess yes on glibc systems.
         *-gnu* | gnu*) gl_cv_func_realpath_works="guessing yes" ;;
+                       # Guess 'nearly' on musl systems.
+        *-musl*)       gl_cv_func_realpath_works="guessing nearly" ;;
+                       # Guess no on Cygwin.
+        cygwin*)       gl_cv_func_realpath_works="guessing no" ;;
                        # Guess no on native Windows.
         mingw*)        gl_cv_func_realpath_works="guessing no" ;;
-                       # If we don't know, assume the worst.
-        *)             gl_cv_func_realpath_works="guessing no" ;;
+                       # If we don't know, obey --enable-cross-guesses.
+        *)             gl_cv_func_realpath_works="$gl_cross_guess_normal" ;;
       esac
 
 else $as_nop
@@ -7808,7 +8693,7 @@ nocrash_init (void)
   /* Allocate a port on which the thread shall listen for exceptions.  */
   if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port)
       == KERN_SUCCESS) {
-    /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.  */
+    /* See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.  */
     if (mach_port_insert_right (self, our_exception_port, our_exception_port,
                                 MACH_MSG_TYPE_MAKE_SEND)
         == KERN_SUCCESS) {
@@ -7827,7 +8712,7 @@ nocrash_init (void)
            for a particular thread.  This has the effect that when our exception
            port gets the message, the thread specific exception port has already
            been asked, and we don't need to bother about it.
-           See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.  */
+           See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.  */
         task_set_exception_ports (self, mask, our_exception_port,
                                   EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
       }
@@ -7884,6 +8769,7 @@ nocrash_init (void)
 }
 #endif
 
+        #include <errno.h>
         #include <stdlib.h>
         #include <string.h>
 
@@ -7892,32 +8778,56 @@ main (void)
 {
 
         int result = 0;
+        /* This test fails on Solaris 10.  */
         {
           char *name = realpath ("conftest.a", NULL);
           if (!(name && *name == '/'))
             result |= 1;
           free (name);
         }
+        /* This test fails on older versions of Cygwin.  */
         {
           char *name = realpath ("conftest.b/../conftest.a", NULL);
           if (name != NULL)
             result |= 2;
           free (name);
         }
+        /* This test fails on Cygwin 2.9.  */
+        #if HAVE_LSTAT
+        {
+          char *name = realpath ("conftest.l/../conftest.a", NULL);
+          if (name != NULL || errno != ENOTDIR)
+            result |= 4;
+          free (name);
+        }
+        #endif
+        /* This test fails on Mac OS X 10.13, OpenBSD 6.0.  */
         {
           char *name = realpath ("conftest.a/", NULL);
           if (name != NULL)
-            result |= 4;
+            result |= 8;
           free (name);
         }
+        /* This test fails on AIX 7, Solaris 10.  */
         {
           char *name1 = realpath (".", NULL);
           char *name2 = realpath ("conftest.d//./..", NULL);
           if (! name1 || ! name2 || strcmp (name1, name2))
-            result |= 8;
+            result |= 16;
           free (name1);
           free (name2);
         }
+        #ifdef __linux__
+        /* On Linux, // is the same as /. See also double-slash-root.m4.
+           realpath() should respect this.
+           This test fails on musl libc 1.2.2.  */
+        {
+          char *name = realpath ("//", NULL);
+          if (! name || strcmp (name, "/"))
+            result |= 32;
+          free (name);
+        }
+        #endif
         return result;
 
   ;
@@ -7929,13 +8839,17 @@ if ac_fn_c_try_run "$LINENO"
 then :
   gl_cv_func_realpath_works=yes
 else $as_nop
-  gl_cv_func_realpath_works=no
+  case $? in
+        32) gl_cv_func_realpath_works=nearly ;;
+        *)  gl_cv_func_realpath_works=no ;;
+      esac
+
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-    rm -rf conftest.a conftest.d
+    rm -rf conftest.a conftest.l conftest.d
 
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_realpath_works" >&5
@@ -7946,6 +8860,29 @@ printf "%s\n" "$gl_cv_func_realpath_works" >&6; }
 printf "%s\n" "#define FUNC_REALPATH_WORKS 1" >>confdefs.h
 
       ;;
+    *nearly)
+
+printf "%s\n" "#define FUNC_REALPATH_NEARLY_WORKS 1" >>confdefs.h
+
+      ;;
+  esac
+
+
+
+
+
+
+
+
+  case "$host_os" in
+    mingw*) ;;
+    *)      ac_fn_c_check_func "$LINENO" "getcwd" "ac_cv_func_getcwd"
+if test "x$ac_cv_func_getcwd" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETCWD 1" >>confdefs.h
+
+fi
+ ;;
   esac
 
 
@@ -7954,63 +8891,348 @@ printf "%s\n" "#define FUNC_REALPATH_WORKS 1" >>confdefs.h
 
 
 
+  GL_GNULIB_ACCESS=0
+
+
+
+  GL_GNULIB_CHDIR=0
+
+
+
+  GL_GNULIB_CHOWN=0
+
+
+
+  GL_GNULIB_CLOSE=0
+
+
+
+  GL_GNULIB_COPY_FILE_RANGE=0
+
+
+
+  GL_GNULIB_DUP=0
+
+
+
+  GL_GNULIB_DUP2=0
+
+
+
+  GL_GNULIB_DUP3=0
+
+
+
+  GL_GNULIB_ENVIRON=0
+
+
+
+  GL_GNULIB_EUIDACCESS=0
+
+
+
+  GL_GNULIB_EXECL=0
+
+
+
+  GL_GNULIB_EXECLE=0
+
+
+
+  GL_GNULIB_EXECLP=0
+
+
+
+  GL_GNULIB_EXECV=0
+
+
+
+  GL_GNULIB_EXECVE=0
+
+
+
+  GL_GNULIB_EXECVP=0
+
+
+
+  GL_GNULIB_EXECVPE=0
+
+
+
+  GL_GNULIB_FACCESSAT=0
+
+
+
+  GL_GNULIB_FCHDIR=0
+
+
+
+  GL_GNULIB_FCHOWNAT=0
+
+
+
+  GL_GNULIB_FDATASYNC=0
+
+
+
+  GL_GNULIB_FSYNC=0
+
+
+
+  GL_GNULIB_FTRUNCATE=0
+
+
+
+  GL_GNULIB_GETCWD=0
+
+
+
+  GL_GNULIB_GETDOMAINNAME=0
+
+
+
+  GL_GNULIB_GETDTABLESIZE=0
+
+
+
+  GL_GNULIB_GETENTROPY=0
+
+
+
+  GL_GNULIB_GETGROUPS=0
+
+
+
+  GL_GNULIB_GETHOSTNAME=0
+
+
+
+  GL_GNULIB_GETLOGIN=0
+
+
+
+  GL_GNULIB_GETLOGIN_R=0
+
+
+
+  GL_GNULIB_GETOPT_POSIX=0
+
+
+
+  GL_GNULIB_GETPAGESIZE=0
+
+
+
+  GL_GNULIB_GETPASS=0
+
+
+
+  GL_GNULIB_GETPASS_GNU=0
+
+
+
+  GL_GNULIB_GETUSERSHELL=0
+
+
+
+  GL_GNULIB_GROUP_MEMBER=0
+
+
+
+  GL_GNULIB_ISATTY=0
+
+
+
+  GL_GNULIB_LCHOWN=0
+
+
+
+  GL_GNULIB_LINK=0
+
+
+
+  GL_GNULIB_LINKAT=0
+
+
+
+  GL_GNULIB_LSEEK=0
+
+
+
+  GL_GNULIB_PIPE=0
+
+
+
+  GL_GNULIB_PIPE2=0
+
+
+
+  GL_GNULIB_PREAD=0
+
+
+
+  GL_GNULIB_PWRITE=0
+
+
+
+  GL_GNULIB_READ=0
+
+
+
+  GL_GNULIB_READLINK=0
+
+
+
+  GL_GNULIB_READLINKAT=0
+
+
+
+  GL_GNULIB_RMDIR=0
+
+
+
+  GL_GNULIB_SETHOSTNAME=0
+
+
+
+  GL_GNULIB_SLEEP=0
+
+
+
+  GL_GNULIB_SYMLINK=0
+
+
+
+  GL_GNULIB_SYMLINKAT=0
+
+
+
+  GL_GNULIB_TRUNCATE=0
+
+
+
+  GL_GNULIB_TTYNAME_R=0
+
+
+
+  GL_GNULIB_UNISTD_H_GETOPT=0
+
+
+
+  GL_GNULIB_UNISTD_H_NONBLOCKING=0
+
+
+
+  GL_GNULIB_UNISTD_H_SIGPIPE=0
+
+
+
+  GL_GNULIB_UNLINK=0
+
+
+
+  GL_GNULIB_UNLINKAT=0
+
+
+
+  GL_GNULIB_USLEEP=0
+
+
+
+  GL_GNULIB_WRITE=0
+
+
+
+  GL_GNULIB_MDA_ACCESS=1
+
+
+
+  GL_GNULIB_MDA_CHDIR=1
+
+
+
+  GL_GNULIB_MDA_CLOSE=1
+
+
+
+  GL_GNULIB_MDA_DUP=1
+
+
+
+  GL_GNULIB_MDA_DUP2=1
+
+
+
+  GL_GNULIB_MDA_EXECL=1
+
+
+
+  GL_GNULIB_MDA_EXECLE=1
+
+
+
+  GL_GNULIB_MDA_EXECLP=1
+
+
+
+  GL_GNULIB_MDA_EXECV=1
+
+
+
+  GL_GNULIB_MDA_EXECVE=1
+
+
+
+  GL_GNULIB_MDA_EXECVP=1
+
+
+
+  GL_GNULIB_MDA_EXECVPE=1
+
+
+
+  GL_GNULIB_MDA_GETCWD=1
+
+
+
+  GL_GNULIB_MDA_GETPID=1
+
+
+
+  GL_GNULIB_MDA_ISATTY=1
+
+
+
+  GL_GNULIB_MDA_LSEEK=1
+
+
+
+  GL_GNULIB_MDA_READ=1
+
+
+
+  GL_GNULIB_MDA_RMDIR=1
+
+
+
+  GL_GNULIB_MDA_SWAB=1
+
+
+
+  GL_GNULIB_MDA_UNLINK=1
+
+
+
+  GL_GNULIB_MDA_WRITE=1
+
 
 
 
-  GNULIB_CHDIR=0;
-  GNULIB_CHOWN=0;
-  GNULIB_CLOSE=0;
-  GNULIB_DUP=0;
-  GNULIB_DUP2=0;
-  GNULIB_DUP3=0;
-  GNULIB_ENVIRON=0;
-  GNULIB_EUIDACCESS=0;
-  GNULIB_FACCESSAT=0;
-  GNULIB_FCHDIR=0;
-  GNULIB_FCHOWNAT=0;
-  GNULIB_FDATASYNC=0;
-  GNULIB_FSYNC=0;
-  GNULIB_FTRUNCATE=0;
-  GNULIB_GETCWD=0;
-  GNULIB_GETDOMAINNAME=0;
-  GNULIB_GETDTABLESIZE=0;
-  GNULIB_GETGROUPS=0;
-  GNULIB_GETHOSTNAME=0;
-  GNULIB_GETLOGIN=0;
-  GNULIB_GETLOGIN_R=0;
-  GNULIB_GETPAGESIZE=0;
-  GNULIB_GETPASS=0;
-  GNULIB_GETUSERSHELL=0;
-  GNULIB_GROUP_MEMBER=0;
-  GNULIB_ISATTY=0;
-  GNULIB_LCHOWN=0;
-  GNULIB_LINK=0;
-  GNULIB_LINKAT=0;
-  GNULIB_LSEEK=0;
-  GNULIB_PIPE=0;
-  GNULIB_PIPE2=0;
-  GNULIB_PREAD=0;
-  GNULIB_PWRITE=0;
-  GNULIB_READ=0;
-  GNULIB_READLINK=0;
-  GNULIB_READLINKAT=0;
-  GNULIB_RMDIR=0;
-  GNULIB_SETHOSTNAME=0;
-  GNULIB_SLEEP=0;
-  GNULIB_SYMLINK=0;
-  GNULIB_SYMLINKAT=0;
-  GNULIB_TRUNCATE=0;
-  GNULIB_TTYNAME_R=0;
-  GNULIB_UNISTD_H_NONBLOCKING=0;
-  GNULIB_UNISTD_H_SIGPIPE=0;
-  GNULIB_UNLINK=0;
-  GNULIB_UNLINKAT=0;
-  GNULIB_USLEEP=0;
-  GNULIB_WRITE=0;
     HAVE_CHOWN=1;
-  HAVE_DUP2=1;
+  HAVE_COPY_FILE_RANGE=1;
   HAVE_DUP3=1;
   HAVE_EUIDACCESS=1;
+  HAVE_EXECVPE=1;
   HAVE_FACCESSAT=1;
   HAVE_FCHDIR=1;
   HAVE_FCHOWNAT=1;
@@ -8018,6 +9240,7 @@ printf "%s\n" "#define FUNC_REALPATH_WORKS 1" >>confdefs.h
   HAVE_FSYNC=1;
   HAVE_FTRUNCATE=1;
   HAVE_GETDTABLESIZE=1;
+  HAVE_GETENTROPY=1;
   HAVE_GETGROUPS=1;
   HAVE_GETHOSTNAME=1;
   HAVE_GETLOGIN=1;
@@ -8040,6 +9263,7 @@ printf "%s\n" "#define FUNC_REALPATH_WORKS 1" >>confdefs.h
   HAVE_UNLINKAT=1;
   HAVE_USLEEP=1;
   HAVE_DECL_ENVIRON=1;
+  HAVE_DECL_EXECVPE=1;
   HAVE_DECL_FCHDIR=1;
   HAVE_DECL_FDATASYNC=1;
   HAVE_DECL_GETDOMAINNAME=1;
@@ -8052,10 +9276,19 @@ printf "%s\n" "#define FUNC_REALPATH_WORKS 1" >>confdefs.h
   HAVE_DECL_TTYNAME_R=1;
   HAVE_OS_H=0;
   HAVE_SYS_PARAM_H=0;
+  REPLACE_ACCESS=0;
   REPLACE_CHOWN=0;
   REPLACE_CLOSE=0;
+  REPLACE_COPY_FILE_RANGE=0;
   REPLACE_DUP=0;
   REPLACE_DUP2=0;
+  REPLACE_EXECL=0;
+  REPLACE_EXECLE=0;
+  REPLACE_EXECLP=0;
+  REPLACE_EXECV=0;
+  REPLACE_EXECVE=0;
+  REPLACE_EXECVP=0;
+  REPLACE_EXECVPE=0;
   REPLACE_FACCESSAT=0;
   REPLACE_FCHOWNAT=0;
   REPLACE_FTRUNCATE=0;
@@ -8066,6 +9299,7 @@ printf "%s\n" "#define FUNC_REALPATH_WORKS 1" >>confdefs.h
   REPLACE_GETGROUPS=0;
   REPLACE_GETPAGESIZE=0;
   REPLACE_GETPASS=0;
+  REPLACE_GETPASS_FOR_GETPASS_GNU=0;
   REPLACE_ISATTY=0;
   REPLACE_LCHOWN=0;
   REPLACE_LINK=0;
@@ -8086,6 +9320,7 @@ printf "%s\n" "#define FUNC_REALPATH_WORKS 1" >>confdefs.h
   REPLACE_UNLINKAT=0;
   REPLACE_USLEEP=0;
   REPLACE_WRITE=0;
+  UNISTD_H_HAVE_SYS_RANDOM_H=0;
   UNISTD_H_HAVE_WINSOCK2_H=0;
   UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
 
@@ -8109,14 +9344,6 @@ printf "%s\n" "#define HAVE_MSVC_INVALID_PARAMETER_HANDLER 1" >>confdefs.h
 
 
 
-     GNULIB_OPENDIR=0;
-  GNULIB_READDIR=0;
-  GNULIB_REWINDDIR=0;
-  GNULIB_CLOSEDIR=0;
-  GNULIB_DIRFD=0;
-  GNULIB_FDOPENDIR=0;
-  GNULIB_SCANDIR=0;
-  GNULIB_ALPHASORT=0;
     HAVE_OPENDIR=1;
   HAVE_READDIR=1;
   HAVE_REWINDDIR=1;
@@ -8133,6 +9360,44 @@ printf "%s\n" "#define HAVE_MSVC_INVALID_PARAMETER_HANDLER 1" >>confdefs.h
 
 
 
+
+
+
+
+  GL_GNULIB_OPENDIR=0
+
+
+
+  GL_GNULIB_READDIR=0
+
+
+
+  GL_GNULIB_REWINDDIR=0
+
+
+
+  GL_GNULIB_CLOSEDIR=0
+
+
+
+  GL_GNULIB_DIRFD=0
+
+
+
+  GL_GNULIB_FDOPENDIR=0
+
+
+
+  GL_GNULIB_SCANDIR=0
+
+
+
+  GL_GNULIB_ALPHASORT=0
+
+
+
+
+
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the preprocessor supports include_next" >&5
 printf %s "checking whether the preprocessor supports include_next... " >&6; }
 if test ${gl_cv_have_include_next+y}
@@ -8216,13 +9481,14 @@ printf "%s\n" "$gl_cv_have_include_next" >&6; }
 
 
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether system header files limit the line length" >&5
-printf %s "checking whether system header files limit the line length... " >&6; }
-if test ${gl_cv_pragma_columns+y}
+
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether source code line length is unlimited" >&5
+printf %s "checking whether source code line length is unlimited... " >&6; }
+if test ${gl_cv_source_line_length_unlimited+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
-       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #ifdef __TANDEM
@@ -8233,17 +9499,17 @@ _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   $EGREP "choke me" >/dev/null 2>&1
 then :
-  gl_cv_pragma_columns=yes
+  gl_cv_source_line_length_unlimited=no
 else $as_nop
-  gl_cv_pragma_columns=no
+  gl_cv_source_line_length_unlimited=yes
 fi
 rm -rf conftest*
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_pragma_columns" >&5
-printf "%s\n" "$gl_cv_pragma_columns" >&6; }
-  if test $gl_cv_pragma_columns = yes; then
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_source_line_length_unlimited" >&5
+printf "%s\n" "$gl_cv_source_line_length_unlimited" >&6; }
+  if test $gl_cv_source_line_length_unlimited = no; then
     PRAGMA_COLUMNS="#pragma COLUMNS 10000"
   else
     PRAGMA_COLUMNS=
@@ -8251,6 +9517,99 @@ printf "%s\n" "$gl_cv_pragma_columns" >&6; }
 
 
 
+
+
+
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_dirent_h='<'dirent.h'>'
+     else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <dirent.h>" >&5
+printf %s "checking absolute name of <dirent.h>... " >&6; }
+if test ${gl_cv_next_dirent_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+             if test $ac_cv_header_dirent_h = yes; then
+
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <dirent.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'dirent.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_dirent_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+          gl_header=$gl_cv_absolute_dirent_h
+          gl_cv_next_dirent_h='"'$gl_header'"'
+          else
+               gl_cv_next_dirent_h='<'dirent.h'>'
+             fi
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_dirent_h" >&5
+printf "%s\n" "$gl_cv_next_dirent_h" >&6; }
+     fi
+     NEXT_DIRENT_H=$gl_cv_next_dirent_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'dirent.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_dirent_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_DIRENT_H=$gl_next_as_first_directive
+
+
+
+
+  if test $ac_cv_header_dirent_h = yes; then
+    HAVE_DIRENT_H=1
+  else
+    HAVE_DIRENT_H=0
+  fi
+
+
+
+
+
+
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
 printf %s "checking for $CC options needed to detect all undeclared functions... " >&6; }
 if test ${ac_cv_c_undeclared_builtin_options+y}
@@ -8331,6 +9690,61 @@ See \`config.log' for more details" "$LINENO" 5; } ;; #(
     ac_c_undeclared_builtin_options=$ac_cv_c_undeclared_builtin_options ;;
 esac
 
+gl_mda_defines='
+#if defined _WIN32 && !defined __CYGWIN__
+#define access    _access
+#define chdir     _chdir
+#define chmod     _chmod
+#define close     _close
+#define creat     _creat
+#define dup       _dup
+#define dup2      _dup2
+#define ecvt      _ecvt
+#define execl     _execl
+#define execle    _execle
+#define execlp    _execlp
+#define execv     _execv
+#define execve    _execve
+#define execvp    _execvp
+#define execvpe   _execvpe
+#define fcloseall _fcloseall
+#define fcvt      _fcvt
+#define fdopen    _fdopen
+#define fileno    _fileno
+#define gcvt      _gcvt
+#define getcwd    _getcwd
+#define getpid    _getpid
+#define getw      _getw
+#define isatty    _isatty
+#define j0        _j0
+#define j1        _j1
+#define jn        _jn
+#define lfind     _lfind
+#define lsearch   _lsearch
+#define lseek     _lseek
+#define memccpy   _memccpy
+#define mkdir     _mkdir
+#define mktemp    _mktemp
+#define open      _open
+#define putenv    _putenv
+#define putw      _putw
+#define read      _read
+#define rmdir     _rmdir
+#define strdup    _strdup
+#define swab      _swab
+#define tempnam   _tempnam
+#define tzset     _tzset
+#define umask     _umask
+#define unlink    _unlink
+#define utime     _utime
+#define wcsdup    _wcsdup
+#define write     _write
+#define y0        _y0
+#define y1        _y1
+#define yn        _yn
+#endif
+'
+
 
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for complete errno.h" >&5
@@ -8411,7 +9825,7 @@ fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_errno_h_complete" >&5
 printf "%s\n" "$gl_cv_header_errno_h_complete" >&6; }
   if test $gl_cv_header_errno_h_complete = yes; then
-    ERRNO_H=''
+    GL_GENERATE_ERRNO_H=false
   else
 
 
@@ -8463,8 +9877,8 @@ _ACEOF
         gl_cv_absolute_errno_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_errno_h
-           gl_cv_next_errno_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_errno_h
+          gl_cv_next_errno_h='"'$gl_header'"'
 
 
 fi
@@ -8485,19 +9899,10 @@ printf "%s\n" "$gl_cv_next_errno_h" >&6; }
 
 
 
-    ERRNO_H='errno.h'
+    GL_GENERATE_ERRNO_H=true
   fi
 
-   if test -n "$ERRNO_H"; then
-  GL_GENERATE_ERRNO_H_TRUE=
-  GL_GENERATE_ERRNO_H_FALSE='#'
-else
-  GL_GENERATE_ERRNO_H_TRUE='#'
-  GL_GENERATE_ERRNO_H_FALSE=
-fi
-
-
-  if test -n "$ERRNO_H"; then
+  if $GL_GENERATE_ERRNO_H; then
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for EMULTIHOP value" >&5
 printf %s "checking for EMULTIHOP value... " >&6; }
 if test ${gl_cv_header_errno_h_EMULTIHOP+y}
@@ -8572,7 +9977,7 @@ printf "%s\n" "$gl_cv_header_errno_h_EMULTIHOP" >&6; }
   fi
 
 
-  if test -n "$ERRNO_H"; then
+  if $GL_GENERATE_ERRNO_H; then
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ENOLINK value" >&5
 printf %s "checking for ENOLINK value... " >&6; }
 if test ${gl_cv_header_errno_h_ENOLINK+y}
@@ -8647,7 +10052,7 @@ printf "%s\n" "$gl_cv_header_errno_h_ENOLINK" >&6; }
   fi
 
 
-  if test -n "$ERRNO_H"; then
+  if $GL_GENERATE_ERRNO_H; then
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for EOVERFLOW value" >&5
 printf %s "checking for EOVERFLOW value... " >&6; }
 if test ${gl_cv_header_errno_h_EOVERFLOW+y}
@@ -8786,7 +10191,6 @@ fi
 
   XGETTEXT_EXTRA_OPTIONS=
 
-
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for uid_t in sys/types.h" >&5
 printf %s "checking for uid_t in sys/types.h... " >&6; }
 if test ${ac_cv_type_uid_t+y}
@@ -8889,75 +10293,37 @@ printf "%s\n" "#define GETGROUPS_T $ac_cv_type_getgroups" >>confdefs.h
 
 
 
-
-
-
-         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether lstat correctly handles trailing slash" >&5
-printf %s "checking whether lstat correctly handles trailing slash... " >&6; }
-if test ${gl_cv_func_lstat_dereferences_slashed_symlink+y}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ctype.h defines __header_inline" >&5
+printf %s "checking whether ctype.h defines __header_inline... " >&6; }
+if test ${gl_cv_have___header_inline+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
-  rm -f conftest.sym conftest.file
-     echo >conftest.file
-     if test "$cross_compiling" = yes
-then :
-  case "$host_os" in
-          linux-* | linux)
-            # Guess yes on Linux systems.
-            gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
-          *-gnu* | gnu*)
-            # Guess yes on glibc systems.
-            gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
-          mingw*)
-            # Guess no on native Windows.
-            gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;;
-          *)
-            # If we don't know, assume the worst.
-            gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;;
-        esac
-
-else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_includes_default
-int
-main (void)
-{
-struct stat sbuf;
-            if (symlink ("conftest.file", "conftest.sym") != 0)
-              return 1;
-            /* Linux will dereference the symlink and fail, as required by
-               POSIX.  That is better in the sense that it means we will not
-               have to compile and use the lstat wrapper.  */
-            return lstat ("conftest.sym/", &sbuf) == 0;
+#include <ctype.h>
+                         #ifndef __header_inline
+                          #error "<ctype.h> does not define __header_inline"
+                         #endif
 
-  ;
-  return 0;
-}
 _ACEOF
-if ac_fn_c_try_run "$LINENO"
+if ac_fn_c_try_cpp "$LINENO"
 then :
-  gl_cv_func_lstat_dereferences_slashed_symlink=yes
+  gl_cv_have___header_inline=yes
 else $as_nop
-  gl_cv_func_lstat_dereferences_slashed_symlink=no
+  gl_cv_have___header_inline=no
 fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_have___header_inline" >&5
+printf "%s\n" "$gl_cv_have___header_inline" >&6; }
+  if test "$gl_cv_have___header_inline" = yes; then
 
-     rm -f conftest.sym conftest.file
+printf "%s\n" "#define HAVE___HEADER_INLINE 1" >>confdefs.h
 
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_lstat_dereferences_slashed_symlink" >&5
-printf "%s\n" "$gl_cv_func_lstat_dereferences_slashed_symlink" >&6; }
-  case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
-    *yes)
+  fi
 
-printf "%s\n" "#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1" >>confdefs.h
 
-      ;;
-  esac
 
 ac_fn_check_decl "$LINENO" "fchdir" "ac_cv_have_decl_fchdir" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"
 if test "x$ac_cv_have_decl_fchdir" = xyes
@@ -8969,12 +10335,9 @@ fi
 printf "%s\n" "#define HAVE_DECL_FCHDIR $ac_have_decl" >>confdefs.h
 
 
-  GNULIB_FCNTL=0;
-  GNULIB_NONBLOCKING=0;
-  GNULIB_OPEN=0;
-  GNULIB_OPENAT=0;
     HAVE_FCNTL=1;
   HAVE_OPENAT=1;
+  REPLACE_CREAT=0;
   REPLACE_FCNTL=0;
   REPLACE_OPEN=0;
   REPLACE_OPENAT=0;
@@ -8982,6 +10345,36 @@ printf "%s\n" "#define HAVE_DECL_FCHDIR $ac_have_decl" >>confdefs.h
 
 
 
+  GL_GNULIB_CREAT=0
+
+
+
+  GL_GNULIB_FCNTL=0
+
+
+
+  GL_GNULIB_NONBLOCKING=0
+
+
+
+  GL_GNULIB_OPEN=0
+
+
+
+  GL_GNULIB_OPENAT=0
+
+
+
+  GL_GNULIB_MDA_CREAT=1
+
+
+
+  GL_GNULIB_MDA_OPEN=1
+
+
+
+
+
 
 
 
@@ -9013,6 +10406,10 @@ else $as_nop
            # defined sleep(n) _sleep ((n) * 1000)
            #endif
            #include <fcntl.h>
+
+
+$gl_mda_defines
+
            #ifndef O_NOATIME
             #define O_NOATIME 0
            #endif
@@ -9182,101 +10579,90 @@ fi
 
 
 
-  GNULIB_ACOSF=0;
-  GNULIB_ACOSL=0;
-  GNULIB_ASINF=0;
-  GNULIB_ASINL=0;
-  GNULIB_ATANF=0;
-  GNULIB_ATANL=0;
-  GNULIB_ATAN2F=0;
-  GNULIB_CBRT=0;
-  GNULIB_CBRTF=0;
-  GNULIB_CBRTL=0;
-  GNULIB_CEIL=0;
-  GNULIB_CEILF=0;
-  GNULIB_CEILL=0;
-  GNULIB_COPYSIGN=0;
-  GNULIB_COPYSIGNF=0;
-  GNULIB_COPYSIGNL=0;
-  GNULIB_COSF=0;
-  GNULIB_COSL=0;
-  GNULIB_COSHF=0;
-  GNULIB_EXPF=0;
-  GNULIB_EXPL=0;
-  GNULIB_EXP2=0;
-  GNULIB_EXP2F=0;
-  GNULIB_EXP2L=0;
-  GNULIB_EXPM1=0;
-  GNULIB_EXPM1F=0;
-  GNULIB_EXPM1L=0;
-  GNULIB_FABSF=0;
-  GNULIB_FABSL=0;
-  GNULIB_FLOOR=0;
-  GNULIB_FLOORF=0;
-  GNULIB_FLOORL=0;
-  GNULIB_FMA=0;
-  GNULIB_FMAF=0;
-  GNULIB_FMAL=0;
-  GNULIB_FMOD=0;
-  GNULIB_FMODF=0;
-  GNULIB_FMODL=0;
-  GNULIB_FREXPF=0;
-  GNULIB_FREXP=0;
-  GNULIB_FREXPL=0;
-  GNULIB_HYPOT=0;
-  GNULIB_HYPOTF=0;
-  GNULIB_HYPOTL=0;
-  GNULIB_ILOGB=0;
-  GNULIB_ILOGBF=0;
-  GNULIB_ILOGBL=0;
-  GNULIB_ISFINITE=0;
-  GNULIB_ISINF=0;
-  GNULIB_ISNAN=0;
-  GNULIB_ISNANF=0;
-  GNULIB_ISNAND=0;
-  GNULIB_ISNANL=0;
-  GNULIB_LDEXPF=0;
-  GNULIB_LDEXPL=0;
-  GNULIB_LOG=0;
-  GNULIB_LOGF=0;
-  GNULIB_LOGL=0;
-  GNULIB_LOG10=0;
-  GNULIB_LOG10F=0;
-  GNULIB_LOG10L=0;
-  GNULIB_LOG1P=0;
-  GNULIB_LOG1PF=0;
-  GNULIB_LOG1PL=0;
-  GNULIB_LOG2=0;
-  GNULIB_LOG2F=0;
-  GNULIB_LOG2L=0;
-  GNULIB_LOGB=0;
-  GNULIB_LOGBF=0;
-  GNULIB_LOGBL=0;
-  GNULIB_MODF=0;
-  GNULIB_MODFF=0;
-  GNULIB_MODFL=0;
-  GNULIB_POWF=0;
-  GNULIB_REMAINDER=0;
-  GNULIB_REMAINDERF=0;
-  GNULIB_REMAINDERL=0;
-  GNULIB_RINT=0;
-  GNULIB_RINTF=0;
-  GNULIB_RINTL=0;
-  GNULIB_ROUND=0;
-  GNULIB_ROUNDF=0;
-  GNULIB_ROUNDL=0;
-  GNULIB_SIGNBIT=0;
-  GNULIB_SINF=0;
-  GNULIB_SINL=0;
-  GNULIB_SINHF=0;
-  GNULIB_SQRTF=0;
-  GNULIB_SQRTL=0;
-  GNULIB_TANF=0;
-  GNULIB_TANL=0;
-  GNULIB_TANHF=0;
-  GNULIB_TRUNC=0;
-  GNULIB_TRUNCF=0;
-  GNULIB_TRUNCL=0;
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_fcntl_h='<'fcntl.h'>'
+     else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <fcntl.h>" >&5
+printf %s "checking absolute name of <fcntl.h>... " >&6; }
+if test ${gl_cv_next_fcntl_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <fcntl.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'fcntl.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_fcntl_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+          gl_header=$gl_cv_absolute_fcntl_h
+          gl_cv_next_fcntl_h='"'$gl_header'"'
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_fcntl_h" >&5
+printf "%s\n" "$gl_cv_next_fcntl_h" >&6; }
+     fi
+     NEXT_FCNTL_H=$gl_cv_next_fcntl_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'fcntl.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_fcntl_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_FCNTL_H=$gl_next_as_first_directive
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
     HAVE_ACOSF=1;
   HAVE_ACOSL=1;
   HAVE_ASINF=1;
@@ -9442,7 +10828,7 @@ fi
   REPLACE_ROUNDF=0;
   REPLACE_ROUNDL=0;
   REPLACE_SIGNBIT=0;
-  REPLACE_SIGNBIT_USING_GCC=0;
+  REPLACE_SIGNBIT_USING_BUILTINS=0;
   REPLACE_SINF=0;
   REPLACE_SINHF=0;
   REPLACE_SQRTF=0;
@@ -9496,6 +10882,412 @@ fi
 printf "%s\n" "#define HAVE_DECL_ALARM $ac_have_decl" >>confdefs.h
 
 
+
+  GL_GNULIB_ACOSF=0
+
+
+
+  GL_GNULIB_ACOSL=0
+
+
+
+  GL_GNULIB_ASINF=0
+
+
+
+  GL_GNULIB_ASINL=0
+
+
+
+  GL_GNULIB_ATANF=0
+
+
+
+  GL_GNULIB_ATANL=0
+
+
+
+  GL_GNULIB_ATAN2F=0
+
+
+
+  GL_GNULIB_CBRT=0
+
+
+
+  GL_GNULIB_CBRTF=0
+
+
+
+  GL_GNULIB_CBRTL=0
+
+
+
+  GL_GNULIB_CEIL=0
+
+
+
+  GL_GNULIB_CEILF=0
+
+
+
+  GL_GNULIB_CEILL=0
+
+
+
+  GL_GNULIB_COPYSIGN=0
+
+
+
+  GL_GNULIB_COPYSIGNF=0
+
+
+
+  GL_GNULIB_COPYSIGNL=0
+
+
+
+  GL_GNULIB_COSF=0
+
+
+
+  GL_GNULIB_COSL=0
+
+
+
+  GL_GNULIB_COSHF=0
+
+
+
+  GL_GNULIB_EXPF=0
+
+
+
+  GL_GNULIB_EXPL=0
+
+
+
+  GL_GNULIB_EXP2=0
+
+
+
+  GL_GNULIB_EXP2F=0
+
+
+
+  GL_GNULIB_EXP2L=0
+
+
+
+  GL_GNULIB_EXPM1=0
+
+
+
+  GL_GNULIB_EXPM1F=0
+
+
+
+  GL_GNULIB_EXPM1L=0
+
+
+
+  GL_GNULIB_FABSF=0
+
+
+
+  GL_GNULIB_FABSL=0
+
+
+
+  GL_GNULIB_FLOOR=0
+
+
+
+  GL_GNULIB_FLOORF=0
+
+
+
+  GL_GNULIB_FLOORL=0
+
+
+
+  GL_GNULIB_FMA=0
+
+
+
+  GL_GNULIB_FMAF=0
+
+
+
+  GL_GNULIB_FMAL=0
+
+
+
+  GL_GNULIB_FMOD=0
+
+
+
+  GL_GNULIB_FMODF=0
+
+
+
+  GL_GNULIB_FMODL=0
+
+
+
+  GL_GNULIB_FREXPF=0
+
+
+
+  GL_GNULIB_FREXP=0
+
+
+
+  GL_GNULIB_FREXPL=0
+
+
+
+  GL_GNULIB_HYPOT=0
+
+
+
+  GL_GNULIB_HYPOTF=0
+
+
+
+  GL_GNULIB_HYPOTL=0
+
+
+
+  GL_GNULIB_ILOGB=0
+
+
+
+  GL_GNULIB_ILOGBF=0
+
+
+
+  GL_GNULIB_ILOGBL=0
+
+
+
+  GL_GNULIB_ISFINITE=0
+
+
+
+  GL_GNULIB_ISINF=0
+
+
+
+  GL_GNULIB_ISNAN=0
+
+
+
+  GL_GNULIB_ISNANF=0
+
+
+
+  GL_GNULIB_ISNAND=0
+
+
+
+  GL_GNULIB_ISNANL=0
+
+
+
+  GL_GNULIB_LDEXPF=0
+
+
+
+  GL_GNULIB_LDEXPL=0
+
+
+
+  GL_GNULIB_LOG=0
+
+
+
+  GL_GNULIB_LOGF=0
+
+
+
+  GL_GNULIB_LOGL=0
+
+
+
+  GL_GNULIB_LOG10=0
+
+
+
+  GL_GNULIB_LOG10F=0
+
+
+
+  GL_GNULIB_LOG10L=0
+
+
+
+  GL_GNULIB_LOG1P=0
+
+
+
+  GL_GNULIB_LOG1PF=0
+
+
+
+  GL_GNULIB_LOG1PL=0
+
+
+
+  GL_GNULIB_LOG2=0
+
+
+
+  GL_GNULIB_LOG2F=0
+
+
+
+  GL_GNULIB_LOG2L=0
+
+
+
+  GL_GNULIB_LOGB=0
+
+
+
+  GL_GNULIB_LOGBF=0
+
+
+
+  GL_GNULIB_LOGBL=0
+
+
+
+  GL_GNULIB_MODF=0
+
+
+
+  GL_GNULIB_MODFF=0
+
+
+
+  GL_GNULIB_MODFL=0
+
+
+
+  GL_GNULIB_POWF=0
+
+
+
+  GL_GNULIB_REMAINDER=0
+
+
+
+  GL_GNULIB_REMAINDERF=0
+
+
+
+  GL_GNULIB_REMAINDERL=0
+
+
+
+  GL_GNULIB_RINT=0
+
+
+
+  GL_GNULIB_RINTF=0
+
+
+
+  GL_GNULIB_RINTL=0
+
+
+
+  GL_GNULIB_ROUND=0
+
+
+
+  GL_GNULIB_ROUNDF=0
+
+
+
+  GL_GNULIB_ROUNDL=0
+
+
+
+  GL_GNULIB_SIGNBIT=0
+
+
+
+  GL_GNULIB_SINF=0
+
+
+
+  GL_GNULIB_SINL=0
+
+
+
+  GL_GNULIB_SINHF=0
+
+
+
+  GL_GNULIB_SQRTF=0
+
+
+
+  GL_GNULIB_SQRTL=0
+
+
+
+  GL_GNULIB_TANF=0
+
+
+
+  GL_GNULIB_TANL=0
+
+
+
+  GL_GNULIB_TANHF=0
+
+
+
+  GL_GNULIB_TRUNC=0
+
+
+
+  GL_GNULIB_TRUNCF=0
+
+
+
+  GL_GNULIB_TRUNCL=0
+
+
+
+  GL_GNULIB_MDA_J0=1
+
+
+
+  GL_GNULIB_MDA_J1=1
+
+
+
+  GL_GNULIB_MDA_JN=1
+
+
+
+  GL_GNULIB_MDA_Y0=1
+
+
+
+  GL_GNULIB_MDA_Y1=1
+
+
+
+  GL_GNULIB_MDA_YN=1
+
+
+
+
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether long double and double are the same" >&5
 printf %s "checking whether long double and double are the same... " >&6; }
 if test ${gl_cv_long_double_equals_double+y}
@@ -9540,23 +11332,10 @@ printf "%s\n" "#define HAVE_SAME_LONG_DOUBLE_AS_DOUBLE 1" >>confdefs.h
 
 
 
-     GNULIB_FCHMODAT=0;
-  GNULIB_FSTAT=0;
-  GNULIB_FSTATAT=0;
-  GNULIB_FUTIMENS=0;
-  GNULIB_LCHMOD=0;
-  GNULIB_LSTAT=0;
-  GNULIB_MKDIRAT=0;
-  GNULIB_MKFIFO=0;
-  GNULIB_MKFIFOAT=0;
-  GNULIB_MKNOD=0;
-  GNULIB_MKNODAT=0;
-  GNULIB_STAT=0;
-  GNULIB_UTIMENSAT=0;
-  GNULIB_OVERRIDES_STRUCT_STAT=0;
     HAVE_FCHMODAT=1;
   HAVE_FSTATAT=1;
   HAVE_FUTIMENS=1;
+  HAVE_GETUMASK=1;
   HAVE_LCHMOD=1;
   HAVE_LSTAT=1;
   HAVE_MKDIRAT=1;
@@ -9565,13 +11344,16 @@ printf "%s\n" "#define HAVE_SAME_LONG_DOUBLE_AS_DOUBLE 1" >>confdefs.h
   HAVE_MKNOD=1;
   HAVE_MKNODAT=1;
   HAVE_UTIMENSAT=1;
+  REPLACE_FCHMODAT=0;
   REPLACE_FSTAT=0;
   REPLACE_FSTATAT=0;
   REPLACE_FUTIMENS=0;
   REPLACE_LSTAT=0;
   REPLACE_MKDIR=0;
   REPLACE_MKFIFO=0;
+  REPLACE_MKFIFOAT=0;
   REPLACE_MKNOD=0;
+  REPLACE_MKNODAT=0;
   REPLACE_STAT=0;
   REPLACE_UTIMENSAT=0;
 
@@ -9701,6 +11483,56 @@ printf "%s\n" "$gl_cv_member_st_size_64" >&6; }
       ;;
   esac
 
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C/C++ restrict keyword" >&5
+printf %s "checking for C/C++ restrict keyword... " >&6; }
+if test ${ac_cv_c_restrict+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_c_restrict=no
+   # Put '__restrict__' first, to avoid problems with glibc and non-GCC; see:
+   # https://lists.gnu.org/archive/html/bug-autoconf/2016-02/msg00006.html
+   # Put 'restrict' last, because C++ lacks it.
+   for ac_kw in __restrict__ __restrict _Restrict restrict; do
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+typedef int *int_ptr;
+	   int foo (int_ptr $ac_kw ip) { return ip[0]; }
+	   int bar (int [$ac_kw]); /* Catch GCC bug 14050.  */
+	   int bar (int ip[$ac_kw]) { return ip[0]; }
+
+int
+main (void)
+{
+int s[1];
+	   int *$ac_kw t = s;
+	   t[0] = 0;
+	   return foo (t) + bar (t);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_c_restrict=$ac_kw
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+     test "$ac_cv_c_restrict" != no && break
+   done
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_restrict" >&5
+printf "%s\n" "$ac_cv_c_restrict" >&6; }
+
+ case $ac_cv_c_restrict in
+   restrict) ;;
+   no) printf "%s\n" "#define restrict /**/" >>confdefs.h
+ ;;
+   *)  printf "%s\n" "#define restrict $ac_cv_c_restrict" >>confdefs.h
+ ;;
+ esac
+
 
 
 
@@ -9760,8 +11592,8 @@ _ACEOF
         gl_cv_absolute_sys_stat_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_sys_stat_h
-           gl_cv_next_sys_stat_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_sys_stat_h
+          gl_cv_next_sys_stat_h='"'$gl_header'"'
           else
                gl_cv_next_sys_stat_h='<'sys/stat.h'>'
              fi
@@ -9819,6 +11651,104 @@ fi
 
 
 
+  case "$host_os" in
+    mingw*)
+      ac_fn_c_check_header_compile "$LINENO" "sdkddkver.h" "ac_cv_header_sdkddkver_h" "$ac_includes_default"
+if test "x$ac_cv_header_sdkddkver_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SDKDDKVER_H 1" >>confdefs.h
+
+fi
+
+      ;;
+  esac
+
+
+
+
+
+
+
+  GL_GNULIB_FCHMODAT=0
+
+
+
+  GL_GNULIB_FSTAT=0
+
+
+
+  GL_GNULIB_FSTATAT=0
+
+
+
+  GL_GNULIB_FUTIMENS=0
+
+
+
+  GL_GNULIB_GETUMASK=0
+
+
+
+  GL_GNULIB_LCHMOD=0
+
+
+
+  GL_GNULIB_LSTAT=0
+
+
+
+  GL_GNULIB_MKDIR=0
+
+
+
+  GL_GNULIB_MKDIRAT=0
+
+
+
+  GL_GNULIB_MKFIFO=0
+
+
+
+  GL_GNULIB_MKFIFOAT=0
+
+
+
+  GL_GNULIB_MKNOD=0
+
+
+
+  GL_GNULIB_MKNODAT=0
+
+
+
+  GL_GNULIB_STAT=0
+
+
+
+  GL_GNULIB_UTIMENSAT=0
+
+
+
+  GL_GNULIB_OVERRIDES_STRUCT_STAT=0
+
+
+
+  GL_GNULIB_MDA_CHMOD=1
+
+
+
+  GL_GNULIB_MDA_MKDIR=1
+
+
+
+  GL_GNULIB_MDA_UMASK=1
+
+
+
+
+
+
+
    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether getcwd (NULL, 0) allocates memory for result" >&5
 printf %s "checking whether getcwd (NULL, 0) allocates memory for result... " >&6; }
 if test ${gl_cv_func_getcwd_null+y}
@@ -9830,10 +11760,12 @@ then :
   case "$host_os" in
                            # Guess yes on glibc systems.
             *-gnu* | gnu*) gl_cv_func_getcwd_null="guessing yes";;
+                           # Guess yes on musl systems.
+            *-musl*)       gl_cv_func_getcwd_null="guessing yes";;
                            # Guess yes on Cygwin.
             cygwin*)       gl_cv_func_getcwd_null="guessing yes";;
-                           # If we don't know, assume the worst.
-            *)             gl_cv_func_getcwd_null="guessing no";;
+                           # If we don't know, obey --enable-cross-guesses.
+            *)             gl_cv_func_getcwd_null="$gl_cross_guess_normal";;
           esac
 
 else $as_nop
@@ -9846,6 +11778,10 @@ else $as_nop
 #        else /* on Windows with MSVC */
 #         include <direct.h>
 #        endif
+
+
+$gl_mda_defines
+
 #        ifndef getcwd
          char *getcwd ();
 #        endif
@@ -9855,7 +11791,7 @@ main (void)
 {
 
 #if defined _WIN32 && ! defined __CYGWIN__
-/* mingw cwd does not start with '/', but getcwd does allocate.
+/* mingw cwd does not start with '/', but _getcwd does allocate.
    However, mingw fails to honor non-zero size.  */
 #else
            if (chdir ("/") != 0)
@@ -9902,6 +11838,10 @@ else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <unistd.h>
+
+
+$gl_mda_defines
+
 int
 main (void)
 {
@@ -9929,60 +11869,8 @@ fi
 printf "%s\n" "$gl_cv_func_getcwd_posix_signature" >&6; }
 
 
-  GNULIB_DPRINTF=0;
-  GNULIB_FCLOSE=0;
-  GNULIB_FDOPEN=0;
-  GNULIB_FFLUSH=0;
-  GNULIB_FGETC=0;
-  GNULIB_FGETS=0;
-  GNULIB_FOPEN=0;
-  GNULIB_FPRINTF=0;
-  GNULIB_FPRINTF_POSIX=0;
-  GNULIB_FPURGE=0;
-  GNULIB_FPUTC=0;
-  GNULIB_FPUTS=0;
-  GNULIB_FREAD=0;
-  GNULIB_FREOPEN=0;
-  GNULIB_FSCANF=0;
-  GNULIB_FSEEK=0;
-  GNULIB_FSEEKO=0;
-  GNULIB_FTELL=0;
-  GNULIB_FTELLO=0;
-  GNULIB_FWRITE=0;
-  GNULIB_GETC=0;
-  GNULIB_GETCHAR=0;
-  GNULIB_GETDELIM=0;
-  GNULIB_GETLINE=0;
-  GNULIB_OBSTACK_PRINTF=0;
-  GNULIB_OBSTACK_PRINTF_POSIX=0;
-  GNULIB_PCLOSE=0;
-  GNULIB_PERROR=0;
-  GNULIB_POPEN=0;
-  GNULIB_PRINTF=0;
-  GNULIB_PRINTF_POSIX=0;
-  GNULIB_PUTC=0;
-  GNULIB_PUTCHAR=0;
-  GNULIB_PUTS=0;
-  GNULIB_REMOVE=0;
-  GNULIB_RENAME=0;
-  GNULIB_RENAMEAT=0;
-  GNULIB_SCANF=0;
-  GNULIB_SNPRINTF=0;
-  GNULIB_SPRINTF_POSIX=0;
-  GNULIB_STDIO_H_NONBLOCKING=0;
-  GNULIB_STDIO_H_SIGPIPE=0;
-  GNULIB_TMPFILE=0;
-  GNULIB_VASPRINTF=0;
-  GNULIB_VFSCANF=0;
-  GNULIB_VSCANF=0;
-  GNULIB_VDPRINTF=0;
-  GNULIB_VFPRINTF=0;
-  GNULIB_VFPRINTF_POSIX=0;
-  GNULIB_VPRINTF=0;
-  GNULIB_VPRINTF_POSIX=0;
-  GNULIB_VSNPRINTF=0;
-  GNULIB_VSPRINTF_POSIX=0;
-    HAVE_DECL_FPURGE=1;
+    HAVE_DECL_FCLOSEALL=1;
+  HAVE_DECL_FPURGE=1;
   HAVE_DECL_FSEEKO=1;
   HAVE_DECL_FTELLO=1;
   HAVE_DECL_GETDELIM=1;
@@ -10003,6 +11891,7 @@ printf "%s\n" "$gl_cv_func_getcwd_posix_signature" >&6; }
   REPLACE_FDOPEN=0;
   REPLACE_FFLUSH=0;
   REPLACE_FOPEN=0;
+  REPLACE_FOPEN_FOR_FOPEN_GNU=0;
   REPLACE_FPRINTF=0;
   REPLACE_FPURGE=0;
   REPLACE_FREOPEN=0;
@@ -10042,6 +11931,248 @@ printf "%s\n" "#define HAVE_DECL_GETDELIM $ac_have_decl" >>confdefs.h
 
 
 
+
+  GL_GNULIB_DPRINTF=0
+
+
+
+  GL_GNULIB_FCLOSE=0
+
+
+
+  GL_GNULIB_FDOPEN=0
+
+
+
+  GL_GNULIB_FFLUSH=0
+
+
+
+  GL_GNULIB_FGETC=0
+
+
+
+  GL_GNULIB_FGETS=0
+
+
+
+  GL_GNULIB_FOPEN=0
+
+
+
+  GL_GNULIB_FOPEN_GNU=0
+
+
+
+  GL_GNULIB_FPRINTF=0
+
+
+
+  GL_GNULIB_FPRINTF_POSIX=0
+
+
+
+  GL_GNULIB_FPURGE=0
+
+
+
+  GL_GNULIB_FPUTC=0
+
+
+
+  GL_GNULIB_FPUTS=0
+
+
+
+  GL_GNULIB_FREAD=0
+
+
+
+  GL_GNULIB_FREOPEN=0
+
+
+
+  GL_GNULIB_FSCANF=0
+
+
+
+  GL_GNULIB_FSEEK=0
+
+
+
+  GL_GNULIB_FSEEKO=0
+
+
+
+  GL_GNULIB_FTELL=0
+
+
+
+  GL_GNULIB_FTELLO=0
+
+
+
+  GL_GNULIB_FWRITE=0
+
+
+
+  GL_GNULIB_GETC=0
+
+
+
+  GL_GNULIB_GETCHAR=0
+
+
+
+  GL_GNULIB_GETDELIM=0
+
+
+
+  GL_GNULIB_GETLINE=0
+
+
+
+  GL_GNULIB_OBSTACK_PRINTF=0
+
+
+
+  GL_GNULIB_OBSTACK_PRINTF_POSIX=0
+
+
+
+  GL_GNULIB_PCLOSE=0
+
+
+
+  GL_GNULIB_PERROR=0
+
+
+
+  GL_GNULIB_POPEN=0
+
+
+
+  GL_GNULIB_PRINTF=0
+
+
+
+  GL_GNULIB_PRINTF_POSIX=0
+
+
+
+  GL_GNULIB_PUTC=0
+
+
+
+  GL_GNULIB_PUTCHAR=0
+
+
+
+  GL_GNULIB_PUTS=0
+
+
+
+  GL_GNULIB_REMOVE=0
+
+
+
+  GL_GNULIB_RENAME=0
+
+
+
+  GL_GNULIB_RENAMEAT=0
+
+
+
+  GL_GNULIB_SCANF=0
+
+
+
+  GL_GNULIB_SNPRINTF=0
+
+
+
+  GL_GNULIB_SPRINTF_POSIX=0
+
+
+
+  GL_GNULIB_STDIO_H_NONBLOCKING=0
+
+
+
+  GL_GNULIB_STDIO_H_SIGPIPE=0
+
+
+
+  GL_GNULIB_TMPFILE=0
+
+
+
+  GL_GNULIB_VASPRINTF=0
+
+
+
+  GL_GNULIB_VFSCANF=0
+
+
+
+  GL_GNULIB_VSCANF=0
+
+
+
+  GL_GNULIB_VDPRINTF=0
+
+
+
+  GL_GNULIB_VFPRINTF=0
+
+
+
+  GL_GNULIB_VFPRINTF_POSIX=0
+
+
+
+  GL_GNULIB_VPRINTF=0
+
+
+
+  GL_GNULIB_VPRINTF_POSIX=0
+
+
+
+  GL_GNULIB_VSNPRINTF=0
+
+
+
+  GL_GNULIB_VSPRINTF_POSIX=0
+
+
+
+  GL_GNULIB_MDA_FCLOSEALL=1
+
+
+
+  GL_GNULIB_MDA_FDOPEN=1
+
+
+
+  GL_GNULIB_MDA_FILENO=1
+
+
+
+  GL_GNULIB_MDA_GETW=1
+
+
+
+  GL_GNULIB_MDA_PUTW=1
+
+
+
+  GL_GNULIB_MDA_TEMPNAM=1
+
+
+
+
 ac_fn_check_decl "$LINENO" "getdtablesize" "ac_cv_have_decl_getdtablesize" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"
 if test "x$ac_cv_have_decl_getdtablesize" = xyes
 then :
@@ -10119,8 +12250,8 @@ _ACEOF
         gl_cv_absolute_getopt_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_getopt_h
-           gl_cv_next_getopt_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_getopt_h
+          gl_cv_next_getopt_h='"'$gl_header'"'
           else
                gl_cv_next_getopt_h='<'getopt.h'>'
              fi
@@ -10383,7 +12514,7 @@ else $as_nop
        export POSIXLY_CORRECT
        if test "$cross_compiling" = yes
 then :
-           gl_cv_func_getopt_gnu="guessing no"
+                             gl_cv_func_getopt_gnu="$gl_cross_guess_normal"
 
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -10429,7 +12560,7 @@ nocrash_init (void)
   /* Allocate a port on which the thread shall listen for exceptions.  */
   if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port)
       == KERN_SUCCESS) {
-    /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.  */
+    /* See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.  */
     if (mach_port_insert_right (self, our_exception_port, our_exception_port,
                                 MACH_MSG_TYPE_MAKE_SEND)
         == KERN_SUCCESS) {
@@ -10448,7 +12579,7 @@ nocrash_init (void)
            for a particular thread.  This has the effect that when our exception
            port gets the message, the thread specific exception port has already
            been asked, and we don't need to bother about it.
-           See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.  */
+           See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.  */
         task_set_exception_ports (self, mask, our_exception_port,
                                   EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
       }
@@ -10681,61 +12812,12 @@ printf "%s\n" "$gl_cv_func_getopt_long_gnu" >&6; }
 :
 
 
-  GNULIB_GETTIMEOFDAY=0;
     HAVE_GETTIMEOFDAY=1;
   HAVE_STRUCT_TIMEVAL=1;
   HAVE_SYS_TIME_H=1;
   REPLACE_GETTIMEOFDAY=0;
   REPLACE_STRUCT_TIMEVAL=0;
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C/C++ restrict keyword" >&5
-printf %s "checking for C/C++ restrict keyword... " >&6; }
-if test ${ac_cv_c_restrict+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_c_restrict=no
-   # The order here caters to the fact that C++ does not require restrict.
-   for ac_kw in __restrict __restrict__ _Restrict restrict; do
-     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-typedef int *int_ptr;
-           int foo (int_ptr $ac_kw ip) { return ip[0]; }
-           int bar (int [$ac_kw]); /* Catch GCC bug 14050.  */
-           int bar (int ip[$ac_kw]) { return ip[0]; }
-
-int
-main (void)
-{
-int s[1];
-           int *$ac_kw t = s;
-           t[0] = 0;
-           return foo (t) + bar (t);
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  ac_cv_c_restrict=$ac_kw
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-     test "$ac_cv_c_restrict" != no && break
-   done
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_restrict" >&5
-printf "%s\n" "$ac_cv_c_restrict" >&6; }
-
- case $ac_cv_c_restrict in
-   restrict) ;;
-   no) printf "%s\n" "#define restrict /**/" >>confdefs.h
- ;;
-   *)  printf "%s\n" "#define restrict $ac_cv_c_restrict" >>confdefs.h
- ;;
- esac
-
 
 
 
@@ -10795,8 +12877,8 @@ _ACEOF
         gl_cv_absolute_sys_time_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_sys_time_h
-           gl_cv_next_sys_time_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_sys_time_h
+          gl_cv_next_sys_time_h='"'$gl_header'"'
           else
                gl_cv_next_sys_time_h='<'sys/time.h'>'
              fi
@@ -10936,37 +13018,9 @@ printf "%s\n" "$gl_cv_sys_struct_timeval_tv_sec" >&6; }
 
 
 
+  GL_GNULIB_GETTIMEOFDAY=0
 
-  NEED_LOCALTIME_BUFFER=0
-
-
-  GNULIB_CTIME=0;
-  GNULIB_MKTIME=0;
-  GNULIB_LOCALTIME=0;
-  GNULIB_NANOSLEEP=0;
-  GNULIB_STRFTIME=0;
-  GNULIB_STRPTIME=0;
-  GNULIB_TIMEGM=0;
-  GNULIB_TIME_R=0;
-  GNULIB_TIME_RZ=0;
-  GNULIB_TZSET=0;
-    HAVE_DECL_LOCALTIME_R=1;
-  HAVE_NANOSLEEP=1;
-  HAVE_STRPTIME=1;
-  HAVE_TIMEGM=1;
-  HAVE_TZSET=1;
-    HAVE_TIMEZONE_T=0;
-        REPLACE_CTIME=GNULIB_PORTCHECK;
-  REPLACE_LOCALTIME_R=GNULIB_PORTCHECK;
-  REPLACE_MKTIME=GNULIB_PORTCHECK;
-  REPLACE_NANOSLEEP=GNULIB_PORTCHECK;
-  REPLACE_STRFTIME=GNULIB_PORTCHECK;
-  REPLACE_TIMEGM=GNULIB_PORTCHECK;
-  REPLACE_TZSET=GNULIB_PORTCHECK;
 
-      : ${GNULIB_GETTIMEOFDAY=0};
-        REPLACE_GMTIME=0;
-  REPLACE_LOCALTIME=0;
 
 
 
@@ -11024,8 +13078,8 @@ _ACEOF
         gl_cv_absolute_limits_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_limits_h
-           gl_cv_next_limits_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_limits_h
+          gl_cv_next_limits_h='"'$gl_header'"'
           else
                gl_cv_next_limits_h='<'limits.h'>'
              fi
@@ -11050,8 +13104,8 @@ printf "%s\n" "$gl_cv_next_limits_h" >&6; }
 
 
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether limits.h has LLONG_MAX, WORD_BIT, ULLONG_WIDTH etc." >&5
-printf %s "checking whether limits.h has LLONG_MAX, WORD_BIT, ULLONG_WIDTH etc.... " >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether limits.h has WORD_BIT, BOOL_WIDTH etc." >&5
+printf %s "checking whether limits.h has WORD_BIT, BOOL_WIDTH etc.... " >&6; }
 if test ${gl_cv_header_limits_width+y}
 then :
   printf %s "(cached) " >&6
@@ -11065,6 +13119,7 @@ else $as_nop
             long long llm = LLONG_MAX;
             int wb = WORD_BIT;
             int ullw = ULLONG_WIDTH;
+            int bw = BOOL_WIDTH;
 
 int
 main (void)
@@ -11085,20 +13140,11 @@ fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_limits_width" >&5
 printf "%s\n" "$gl_cv_header_limits_width" >&6; }
   if test "$gl_cv_header_limits_width" = yes; then
-    LIMITS_H=
+    GL_GENERATE_LIMITS_H=false
   else
-    LIMITS_H=limits.h
+    GL_GENERATE_LIMITS_H=true
   fi
 
-   if test -n "$LIMITS_H"; then
-  GL_GENERATE_LIMITS_H_TRUE=
-  GL_GENERATE_LIMITS_H_FALSE='#'
-else
-  GL_GENERATE_LIMITS_H_TRUE='#'
-  GL_GENERATE_LIMITS_H_FALSE=
-fi
-
-
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for wint_t" >&5
 printf %s "checking for wint_t... " >&6; }
@@ -11108,14 +13154,6 @@ then :
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
-   before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
 #include <wchar.h>
             wint_t foo = (wchar_t)'\0';
 int
@@ -11141,24 +13179,14 @@ printf "%s\n" "$gt_cv_c_wint_t" >&6; }
 printf "%s\n" "#define HAVE_WINT_T 1" >>confdefs.h
 
 
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether wint_t is too small" >&5
-printf %s "checking whether wint_t is too small... " >&6; }
-if test ${gl_cv_type_wint_t_too_small+y}
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether wint_t is large enough" >&5
+printf %s "checking whether wint_t is large enough... " >&6; }
+if test ${gl_cv_type_wint_t_large_enough+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#if !(defined __GLIBC__ && !defined __UCLIBC__)
-# include <stddef.h>
-# include <stdio.h>
-# include <time.h>
-#endif
 #include <wchar.h>
               int verify[sizeof (wint_t) < sizeof (int) ? -1 : 1];
 
@@ -11172,183 +13200,70 @@ main (void)
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  gl_cv_type_wint_t_too_small=no
+  gl_cv_type_wint_t_large_enough=yes
 else $as_nop
-  gl_cv_type_wint_t_too_small=yes
+  gl_cv_type_wint_t_large_enough=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_type_wint_t_too_small" >&5
-printf "%s\n" "$gl_cv_type_wint_t_too_small" >&6; }
-    if test $gl_cv_type_wint_t_too_small = yes; then
-      GNULIB_OVERRIDES_WINT_T=1
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_type_wint_t_large_enough" >&5
+printf "%s\n" "$gl_cv_type_wint_t_large_enough" >&6; }
+    if test $gl_cv_type_wint_t_large_enough = no; then
+      GNULIBHEADERS_OVERRIDE_WINT_T=1
     else
-      GNULIB_OVERRIDES_WINT_T=0
+      GNULIBHEADERS_OVERRIDE_WINT_T=0
     fi
   else
-    GNULIB_OVERRIDES_WINT_T=0
-  fi
-
-
-
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for unsigned long long int" >&5
-printf %s "checking for unsigned long long int... " >&6; }
-if test ${ac_cv_type_unsigned_long_long_int+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_type_unsigned_long_long_int=yes
-     if test "x${ac_cv_prog_cc_c99-no}" = xno; then
-       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-  /* For now, do not test the preprocessor; as of 2007 there are too many
-         implementations with broken preprocessors.  Perhaps this can
-         be revisited in 2012.  In the meantime, code should not expect
-         #if to work with literals wider than 32 bits.  */
-      /* Test literals.  */
-      long long int ll = 9223372036854775807ll;
-      long long int nll = -9223372036854775807LL;
-      unsigned long long int ull = 18446744073709551615ULL;
-      /* Test constant expressions.   */
-      typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
-                     ? 1 : -1)];
-      typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
-                     ? 1 : -1)];
-      int i = 63;
-int
-main (void)
-{
-/* Test availability of runtime routines for shift and division.  */
-      long long int llmax = 9223372036854775807ll;
-      unsigned long long int ullmax = 18446744073709551615ull;
-      return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
-              | (llmax / ll) | (llmax % ll)
-              | (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
-              | (ullmax / ull) | (ullmax % ull));
-  ;
-  return 0;
-}
-
-_ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
-
-else $as_nop
-  ac_cv_type_unsigned_long_long_int=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
-     fi
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_unsigned_long_long_int" >&5
-printf "%s\n" "$ac_cv_type_unsigned_long_long_int" >&6; }
-  if test $ac_cv_type_unsigned_long_long_int = yes; then
-
-printf "%s\n" "#define HAVE_UNSIGNED_LONG_LONG_INT 1" >>confdefs.h
-
+    GNULIBHEADERS_OVERRIDE_WINT_T=0
   fi
 
 
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for long long int" >&5
-printf %s "checking for long long int... " >&6; }
-if test ${ac_cv_type_long_long_int+y}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler produces multi-arch binaries" >&5
+printf %s "checking whether the compiler produces multi-arch binaries... " >&6; }
+if test ${gl_cv_c_multiarch+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
-  ac_cv_type_long_long_int=yes
-      if test "x${ac_cv_prog_cc_c99-no}" = xno; then
-        ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int
-        if test $ac_cv_type_long_long_int = yes; then
-                                        if test "$cross_compiling" = yes
-then :
-  :
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <limits.h>
-                 #ifndef LLONG_MAX
-                 # define HALF \
-                          (1LL << (sizeof (long long int) * CHAR_BIT - 2))
-                 # define LLONG_MAX (HALF - 1 + HALF)
-                 #endif
-int
-main (void)
-{
-long long int n = 1;
-                 int i;
-                 for (i = 0; ; i++)
-                   {
-                     long long int m = n << i;
-                     if (m >> i != n)
-                       return 1;
-                     if (LLONG_MAX / 2 < m)
-                       break;
-                   }
-                 return 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
-
-else $as_nop
-  ac_cv_type_long_long_int=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-        fi
-      fi
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_long_long_int" >&5
-printf "%s\n" "$ac_cv_type_long_long_int" >&6; }
-  if test $ac_cv_type_long_long_int = yes; then
-
-printf "%s\n" "#define HAVE_LONG_LONG_INT 1" >>confdefs.h
-
-  fi
-
-
-
-    gl_cv_c_multiarch=no
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  gl_cv_c_multiarch=no
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifndef __APPLE_CC__
-         not a universal capable compiler
-        #endif
-        typedef int dummy;
+            not a universal capable compiler
+           #endif
+           typedef int dummy;
 
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-               arch=
-     prev=
-     for word in ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS}; do
-       if test -n "$prev"; then
-         case $word in
-           i?86 | x86_64 | ppc | ppc64)
-             if test -z "$arch" || test "$arch" = "$word"; then
-               arch="$word"
-             else
-               gl_cv_c_multiarch=yes
-             fi
-             ;;
-         esac
-         prev=
-       else
-         if test "x$word" = "x-arch"; then
-           prev=arch
-         fi
-       fi
-     done
+                        arch=
+        prev=
+        for word in ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS}; do
+          if test -n "$prev"; then
+            case $word in
+              i?86 | x86_64 | ppc | ppc64 | arm | arm64)
+                if test -z "$arch" || test "$arch" = "$word"; then
+                  arch="$word"
+                else
+                  gl_cv_c_multiarch=yes
+                fi
+                ;;
+            esac
+            prev=
+          else
+            if test "x$word" = "x-arch"; then
+              prev=arch
+            fi
+          fi
+        done
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_c_multiarch" >&5
+printf "%s\n" "$gl_cv_c_multiarch" >&6; }
   if test $gl_cv_c_multiarch = yes; then
     APPLE_UNIVERSAL_BUILD=1
   else
@@ -11362,18 +13277,10 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 
 
-  if test $ac_cv_type_long_long_int = yes; then
-    HAVE_LONG_LONG_INT=1
-  else
-    HAVE_LONG_LONG_INT=0
-  fi
+printf "%s\n" "#define HAVE_LONG_LONG_INT 1" >>confdefs.h
 
 
-  if test $ac_cv_type_unsigned_long_long_int = yes; then
-    HAVE_UNSIGNED_LONG_LONG_INT=1
-  else
-    HAVE_UNSIGNED_LONG_LONG_INT=0
-  fi
+printf "%s\n" "#define HAVE_UNSIGNED_LONG_LONG_INT 1" >>confdefs.h
 
 
 
@@ -11384,14 +13291,16 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   fi
 
 
-      if test $ac_cv_header_inttypes_h = yes; then
+
+  if test $ac_cv_header_inttypes_h = yes; then
     HAVE_INTTYPES_H=1
   else
     HAVE_INTTYPES_H=0
   fi
 
 
-      if test $ac_cv_header_sys_types_h = yes; then
+
+  if test $ac_cv_header_sys_types_h = yes; then
     HAVE_SYS_TYPES_H=1
   else
     HAVE_SYS_TYPES_H=0
@@ -11452,8 +13361,8 @@ _ACEOF
         gl_cv_absolute_stdint_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_stdint_h
-           gl_cv_next_stdint_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_stdint_h
+          gl_cv_next_stdint_h='"'$gl_header'"'
           else
                gl_cv_next_stdint_h='<'stdint.h'>'
              fi
@@ -11506,13 +13415,9 @@ else $as_nop
 #endif
 
 
-  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-     included before <wchar.h>.  */
   #include <stddef.h>
   #include <signal.h>
   #if HAVE_WCHAR_H
-  # include <stdio.h>
-  # include <time.h>
   # include <wchar.h>
   #endif
 
@@ -11592,7 +13497,7 @@ uintmax_t j = UINTMAX_MAX;
 /* Check that SIZE_MAX has the correct type, if possible.  */
 #if 201112 <= __STDC_VERSION__
 int k = _Generic (SIZE_MAX, size_t: 0);
-#elif (2 <= __GNUC__ || defined __IBM__TYPEOF__ \
+#elif (2 <= __GNUC__ || 4 <= __clang_major__ || defined __IBM__TYPEOF__ \
        || (0x5110 <= __SUNPRO_C && !__STDC__))
 extern size_t k;
 extern __typeof__ (SIZE_MAX) k;
@@ -11610,7 +13515,7 @@ struct s {
       PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t)
       && PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t)
       ? 1 : -1;
-  /* Detect bug in FreeBSD 6.0 / ia64.  */
+  /* Detect bug in FreeBSD 6.0/ia64 and FreeBSD 13.0/arm64.  */
   int check_SIG_ATOMIC:
       SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t)
       && SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t)
@@ -11688,13 +13593,9 @@ else $as_nop
 #include <stdint.h>
 
 
-  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-     included before <wchar.h>.  */
   #include <stddef.h>
   #include <signal.h>
   #if HAVE_WCHAR_H
-  # include <stdio.h>
-  # include <time.h>
   # include <wchar.h>
   #endif
 
@@ -11775,17 +13676,17 @@ printf "%s\n" "$gl_cv_header_working_stdint_h" >&6; }
   HAVE_C99_STDINT_H=0
   HAVE_SYS_BITYPES_H=0
   HAVE_SYS_INTTYPES_H=0
-  STDINT_H=stdint.h
+  GL_GENERATE_STDINT_H=true
   case "$gl_cv_header_working_stdint_h" in
     *yes)
       HAVE_C99_STDINT_H=1
-                  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether stdint.h predates C++11" >&5
-printf %s "checking whether stdint.h predates C++11... " >&6; }
-if test ${gl_cv_header_stdint_predates_cxx11_h+y}
+                        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether stdint.h works without ISO C predefines" >&5
+printf %s "checking whether stdint.h works without ISO C predefines... " >&6; }
+if test ${gl_cv_header_stdint_without_STDC_macros+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
-  gl_cv_header_stdint_predates_cxx11_h=yes
+  gl_cv_header_stdint_without_STDC_macros=no
          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -11794,13 +13695,9 @@ else $as_nop
 #include <stdint.h>
 
 
-  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-     included before <wchar.h>.  */
   #include <stddef.h>
   #include <signal.h>
   #if HAVE_WCHAR_H
-  # include <stdio.h>
-  # include <time.h>
   # include <wchar.h>
   #endif
 
@@ -11818,14 +13715,15 @@ main (void)
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  gl_cv_header_stdint_predates_cxx11_h=no
+  gl_cv_header_stdint_without_STDC_macros=yes
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_stdint_predates_cxx11_h" >&5
-printf "%s\n" "$gl_cv_header_stdint_predates_cxx11_h" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_stdint_without_STDC_macros" >&5
+printf "%s\n" "$gl_cv_header_stdint_without_STDC_macros" >&6; }
 
-      if test "$gl_cv_header_stdint_predates_cxx11_h" = yes; then
+      if test $gl_cv_header_stdint_without_STDC_macros = no; then
 
 printf "%s\n" "#define __STDC_CONSTANT_MACROS 1" >>confdefs.h
 
@@ -11850,13 +13748,9 @@ else $as_nop
               #endif
               #include <stdint.h>
 
-  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-     included before <wchar.h>.  */
   #include <stddef.h>
   #include <signal.h>
   #if HAVE_WCHAR_H
-  # include <stdio.h>
-  # include <time.h>
   # include <wchar.h>
   #endif
 
@@ -11879,7 +13773,7 @@ fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_stdint_width" >&5
 printf "%s\n" "$gl_cv_header_stdint_width" >&6; }
       if test "$gl_cv_header_stdint_width" = yes; then
-        STDINT_H=
+        GL_GENERATE_STDINT_H=false
       fi
       ;;
     *)
@@ -11915,13 +13809,9 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
   if ac_fn_c_compute_int "$LINENO" "sizeof ($gltype) * CHAR_BIT" "result"        "
-  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-     included before <wchar.h>.  */
   #include <stddef.h>
   #include <signal.h>
   #if HAVE_WCHAR_H
-  # include <stdio.h>
-  # include <time.h>
   # include <wchar.h>
   #endif
 
@@ -11960,13 +13850,9 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
   if ac_fn_c_compute_int "$LINENO" "sizeof ($gltype) * CHAR_BIT" "result"        "
-  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-     included before <wchar.h>.  */
   #include <stddef.h>
   #include <signal.h>
   #if HAVE_WCHAR_H
-  # include <stdio.h>
-  # include <time.h>
   # include <wchar.h>
   #endif
 
@@ -12006,13 +13892,9 @@ else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-     included before <wchar.h>.  */
   #include <stddef.h>
   #include <signal.h>
   #if HAVE_WCHAR_H
-  # include <stdio.h>
-  # include <time.h>
   # include <wchar.h>
   #endif
 
@@ -12083,13 +13965,9 @@ else $as_nop
          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-     included before <wchar.h>.  */
   #include <stddef.h>
   #include <signal.h>
   #if HAVE_WCHAR_H
-  # include <stdio.h>
-  # include <time.h>
   # include <wchar.h>
   #endif
 
@@ -12155,13 +14033,9 @@ else $as_nop
          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-     included before <wchar.h>.  */
   #include <stddef.h>
   #include <signal.h>
   #if HAVE_WCHAR_H
-  # include <stdio.h>
-  # include <time.h>
   # include <wchar.h>
   #endif
 
@@ -12197,7 +14071,7 @@ printf "%s\n" "$ac_res" >&6; }
 
 
 
-          if test $GNULIB_OVERRIDES_WINT_T = 1; then
+          if test $GNULIBHEADERS_OVERRIDE_WINT_T = 1; then
     BITSIZEOF_WINT_T=32
   fi
 
@@ -12206,35 +14080,14 @@ printf "%s\n" "$ac_res" >&6; }
 
 
 
-  LIMITS_H='limits.h'
-   if test -n "$LIMITS_H"; then
-  GL_GENERATE_LIMITS_H_TRUE=
-  GL_GENERATE_LIMITS_H_FALSE='#'
-else
-  GL_GENERATE_LIMITS_H_TRUE='#'
-  GL_GENERATE_LIMITS_H_FALSE=
-fi
-
-
-
+  GL_GENERATE_LIMITS_H=true
 
 
 
 
-   if test -n "$STDINT_H"; then
-  GL_GENERATE_STDINT_H_TRUE=
-  GL_GENERATE_STDINT_H_FALSE='#'
-else
-  GL_GENERATE_STDINT_H_TRUE='#'
-  GL_GENERATE_STDINT_H_FALSE=
-fi
 
 
 
-  GNULIB_IMAXABS=0;
-  GNULIB_IMAXDIV=0;
-  GNULIB_STRTOIMAX=0;
-  GNULIB_STRTOUMAX=0;
     HAVE_DECL_IMAXABS=1;
   HAVE_DECL_IMAXDIV=1;
   HAVE_DECL_STRTOIMAX=1;
@@ -12244,7 +14097,6 @@ fi
   REPLACE_STRTOUMAX=0;
   INT32_MAX_LT_INTMAX_MAX=1;
   INT64_MAX_EQ_LONG_MAX='defined _LP64';
-  PRI_MACROS_BROKEN=0;
   PRIPTR_PREFIX=__PRIPTR_PREFIX;
   UINT32_MAX_LT_UINTMAX_MAX=1;
   UINT64_MAX_EQ_ULONG_MAX='defined _LP64';
@@ -12308,8 +14160,8 @@ _ACEOF
         gl_cv_absolute_inttypes_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_inttypes_h
-           gl_cv_next_inttypes_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_inttypes_h
+          gl_cv_next_inttypes_h='"'$gl_header'"'
           else
                gl_cv_next_inttypes_h='<'inttypes.h'>'
              fi
@@ -12341,29 +14193,198 @@ printf "%s\n" "$gl_cv_next_inttypes_h" >&6; }
 
 
 
-  ac_fn_c_check_header_compile "$LINENO" "inttypes.h" "ac_cv_header_inttypes_h" "$ac_includes_default"
-if test "x$ac_cv_header_inttypes_h" = xyes
+
+
+
+
+  PRIPTR_PREFIX=
+  if $GL_GENERATE_STDINT_H; then
+            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+         #ifdef _WIN64
+         LLP64
+         #endif
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
 then :
-  printf "%s\n" "#define HAVE_INTTYPES_H 1" >>confdefs.h
+  PRIPTR_PREFIX='"l"'
+else $as_nop
+  PRIPTR_PREFIX='"ll"'
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  else
+        for glpfx in '' l ll I64; do
+      case $glpfx in
+        '')  gltype1='int';;
+        l)   gltype1='long int';;
+        ll)  gltype1='long long int';;
+        I64) gltype1='__int64';;
+      esac
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdint.h>
+           extern intptr_t foo;
+           extern $gltype1 foo;
+int
+main (void)
+{
 
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  PRIPTR_PREFIX='"'$glpfx'"'
 fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+      test -n "$PRIPTR_PREFIX" && break
+    done
+  fi
 
-  if test $ac_cv_header_inttypes_h = yes; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the inttypes.h PRIxNN macros are broken" >&5
-printf %s "checking whether the inttypes.h PRIxNN macros are broken... " >&6; }
-if test ${gt_cv_inttypes_pri_broken+y}
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether INT32_MAX < INTMAX_MAX" >&5
+printf %s "checking whether INT32_MAX < INTMAX_MAX... " >&6; }
+if test ${gl_cv_test_INT32_MAX_LT_INTMAX_MAX+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Work also in C++ mode.  */
+            #define __STDC_LIMIT_MACROS 1
 
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+            /* Work if build is not clean.  */
+            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H
+
+            #include <limits.h>
+            #if HAVE_STDINT_H
+             #include <stdint.h>
+            #endif
+
+            #if defined INT32_MAX && defined INTMAX_MAX
+             #define CONDITION (INT32_MAX < INTMAX_MAX)
+            #else
+             #define CONDITION (sizeof (int) < sizeof (long long int))
+            #endif
+            int test[CONDITION ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_test_INT32_MAX_LT_INTMAX_MAX=yes
+else $as_nop
+  gl_cv_test_INT32_MAX_LT_INTMAX_MAX=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_test_INT32_MAX_LT_INTMAX_MAX" >&5
+printf "%s\n" "$gl_cv_test_INT32_MAX_LT_INTMAX_MAX" >&6; }
+  if test $gl_cv_test_INT32_MAX_LT_INTMAX_MAX = yes; then
+    INT32_MAX_LT_INTMAX_MAX=1;
+  else
+    INT32_MAX_LT_INTMAX_MAX=0;
+  fi
+
+
+  if test $APPLE_UNIVERSAL_BUILD = 0; then
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether INT64_MAX == LONG_MAX" >&5
+printf %s "checking whether INT64_MAX == LONG_MAX... " >&6; }
+if test ${gl_cv_test_INT64_MAX_EQ_LONG_MAX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+/* Work also in C++ mode.  */
+            #define __STDC_LIMIT_MACROS 1
 
-#include <inttypes.h>
-#ifdef PRId32
-char *p = PRId32;
-#endif
+            /* Work if build is not clean.  */
+            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H
+
+            #include <limits.h>
+            #if HAVE_STDINT_H
+             #include <stdint.h>
+            #endif
 
+            #if defined INT64_MAX
+             #define CONDITION (INT64_MAX == LONG_MAX)
+            #else
+             #define CONDITION (sizeof (long long int) == sizeof (long int))
+            #endif
+            int test[CONDITION ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_test_INT64_MAX_EQ_LONG_MAX=yes
+else $as_nop
+  gl_cv_test_INT64_MAX_EQ_LONG_MAX=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_test_INT64_MAX_EQ_LONG_MAX" >&5
+printf "%s\n" "$gl_cv_test_INT64_MAX_EQ_LONG_MAX" >&6; }
+  if test $gl_cv_test_INT64_MAX_EQ_LONG_MAX = yes; then
+    INT64_MAX_EQ_LONG_MAX=1;
+  else
+    INT64_MAX_EQ_LONG_MAX=0;
+  fi
+
+
+  else
+    INT64_MAX_EQ_LONG_MAX=-1
+  fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether UINT32_MAX < UINTMAX_MAX" >&5
+printf %s "checking whether UINT32_MAX < UINTMAX_MAX... " >&6; }
+if test ${gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Work also in C++ mode.  */
+            #define __STDC_LIMIT_MACROS 1
+
+            /* Work if build is not clean.  */
+            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H
+
+            #include <limits.h>
+            #if HAVE_STDINT_H
+             #include <stdint.h>
+            #endif
+
+            #if defined UINT32_MAX && defined UINTMAX_MAX
+             #define CONDITION (UINT32_MAX < UINTMAX_MAX)
+            #else
+             #define CONDITION (sizeof (unsigned int) < sizeof (unsigned long long int))
+            #endif
+            int test[CONDITION ? 1 : -1];
 int
 main (void)
 {
@@ -12374,27 +14395,97 @@ main (void)
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  gt_cv_inttypes_pri_broken=no
+  gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX=yes
 else $as_nop
-  gt_cv_inttypes_pri_broken=yes
+  gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX" >&5
+printf "%s\n" "$gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX" >&6; }
+  if test $gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX = yes; then
+    UINT32_MAX_LT_UINTMAX_MAX=1;
+  else
+    UINT32_MAX_LT_UINTMAX_MAX=0;
+  fi
+
+
+  if test $APPLE_UNIVERSAL_BUILD = 0; then
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether UINT64_MAX == ULONG_MAX" >&5
+printf %s "checking whether UINT64_MAX == ULONG_MAX... " >&6; }
+if test ${gl_cv_test_UINT64_MAX_EQ_ULONG_MAX+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Work also in C++ mode.  */
+            #define __STDC_LIMIT_MACROS 1
+
+            /* Work if build is not clean.  */
+            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H
 
+            #include <limits.h>
+            #if HAVE_STDINT_H
+             #include <stdint.h>
+            #endif
+
+            #if defined UINT64_MAX
+             #define CONDITION (UINT64_MAX == ULONG_MAX)
+            #else
+             #define CONDITION (sizeof (unsigned long long int) == sizeof (unsigned long int))
+            #endif
+            int test[CONDITION ? 1 : -1];
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_test_UINT64_MAX_EQ_ULONG_MAX=yes
+else $as_nop
+  gl_cv_test_UINT64_MAX_EQ_ULONG_MAX=no
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gt_cv_inttypes_pri_broken" >&5
-printf "%s\n" "$gt_cv_inttypes_pri_broken" >&6; }
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_test_UINT64_MAX_EQ_ULONG_MAX" >&5
+printf "%s\n" "$gl_cv_test_UINT64_MAX_EQ_ULONG_MAX" >&6; }
+  if test $gl_cv_test_UINT64_MAX_EQ_ULONG_MAX = yes; then
+    UINT64_MAX_EQ_ULONG_MAX=1;
+  else
+    UINT64_MAX_EQ_ULONG_MAX=0;
   fi
-  if test "$gt_cv_inttypes_pri_broken" = yes; then
 
-printf "%s\n" "#define PRI_MACROS_BROKEN 1" >>confdefs.h
 
-    PRI_MACROS_BROKEN=1
   else
-    PRI_MACROS_BROKEN=0
+    UINT64_MAX_EQ_ULONG_MAX=-1
   fi
 
 
 
+
+  GL_GNULIB_IMAXABS=0
+
+
+
+  GL_GNULIB_IMAXDIV=0
+
+
+
+  GL_GNULIB_STRTOIMAX=0
+
+
+
+  GL_GNULIB_STRTOUMAX=0
+
+
+
+
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking where to find the exponent in a 'double'" >&5
 printf %s "checking where to find the exponent in a 'double'... " >&6; }
 if test ${gl_cv_cc_double_expbit0+y}
@@ -13094,56 +15185,24 @@ printf "%s\n" "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
 
 
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether malloc, realloc, calloc are POSIX compliant" >&5
-printf %s "checking whether malloc, realloc, calloc are POSIX compliant... " >&6; }
-if test ${gl_cv_func_malloc_posix+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-
-                        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main (void)
-{
-#if defined _WIN32 && ! defined __CYGWIN__
-             choke me
-             #endif
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  gl_cv_func_malloc_posix=yes
-else $as_nop
-  gl_cv_func_malloc_posix=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_malloc_posix" >&5
-printf "%s\n" "$gl_cv_func_malloc_posix" >&6; }
-
-
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GNU libc compatible malloc" >&5
-printf %s "checking for GNU libc compatible malloc... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether malloc (0) returns nonnull" >&5
+printf %s "checking whether malloc (0) returns nonnull... " >&6; }
 if test ${ac_cv_func_malloc_0_nonnull+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
   if test "$cross_compiling" = yes
 then :
-  case "$host_os" in # ((
-		  # Guess yes on platforms where we know the result.
-		  *-gnu* | freebsd* | netbsd* | openbsd* | bitrig* \
-		  | hpux* | solaris* | cygwin* | mingw* | msys* )
-		    ac_cv_func_malloc_0_nonnull=yes ;;
-		  # If we don't know, assume the worst.
-		  *) ac_cv_func_malloc_0_nonnull=no ;;
-		esac
+  case "$host_os" in
+          # Guess yes on platforms where we know the result.
+          *-gnu* | freebsd* | netbsd* | openbsd* | bitrig* \
+          | gnu* | *-musl* | midnightbsd* \
+          | hpux* | solaris* | cygwin* | mingw* | msys* )
+            ac_cv_func_malloc_0_nonnull="guessing yes" ;;
+          # If we don't know, obey --enable-cross-guesses.
+          *) ac_cv_func_malloc_0_nonnull="$gl_cross_guess_normal" ;;
+        esac
+
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -13153,12 +15212,13 @@ int
 main (void)
 {
 void *p = malloc (0);
-		   int result = !p;
-		   free (p);
-		   return result;
+            int result = !p;
+            free (p);
+            return result;
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
@@ -13170,99 +15230,175 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_malloc_0_nonnull" >&5
 printf "%s\n" "$ac_cv_func_malloc_0_nonnull" >&6; }
-if test $ac_cv_func_malloc_0_nonnull = yes
+  case $ac_cv_func_malloc_0_nonnull in #(
+  *yes) :
+    gl_cv_func_malloc_0_nonnull=1 ;; #(
+  *) :
+    gl_cv_func_malloc_0_nonnull=0 ;;
+esac
+
+
+printf "%s\n" "#define MALLOC_0_IS_NONNULL $gl_cv_func_malloc_0_nonnull" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_math_h='<'math.h'>'
+     else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <math.h>" >&5
+printf %s "checking absolute name of <math.h>... " >&6; }
+if test ${gl_cv_next_math_h+y}
 then :
-  gl_cv_func_malloc_0_nonnull=1
+  printf %s "(cached) " >&6
 else $as_nop
-  gl_cv_func_malloc_0_nonnull=0
+
+             if test $ac_cv_header_math_h = yes; then
+
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <math.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'math.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_math_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+          gl_header=$gl_cv_absolute_math_h
+          gl_cv_next_math_h='"'$gl_header'"'
+          else
+               gl_cv_next_math_h='<'math.h'>'
+             fi
+
+
 fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_math_h" >&5
+printf "%s\n" "$gl_cv_next_math_h" >&6; }
+     fi
+     NEXT_MATH_H=$gl_cv_next_math_h
 
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'math.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_math_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_MATH_H=$gl_next_as_first_directive
 
-printf "%s\n" "#define MALLOC_0_IS_NONNULL $gl_cv_func_malloc_0_nonnull" >>confdefs.h
 
 
 
 
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether NAN macro works" >&5
+printf %s "checking whether NAN macro works... " >&6; }
+if test ${gl_cv_header_math_nan_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <math.h>
+int
+main (void)
+{
+/* Solaris 10 has a broken definition of NAN.  Other platforms
+        fail to provide NAN, or provide it only in C99 mode; this
+        test only needs to fail when NAN is provided but wrong.  */
+         float f = 1.0f;
+#ifdef NAN
+         f = NAN;
+#endif
+         return f == 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_header_math_nan_works=yes
+else $as_nop
+  gl_cv_header_math_nan_works=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_math_nan_works" >&5
+printf "%s\n" "$gl_cv_header_math_nan_works" >&6; }
+  if test $gl_cv_header_math_nan_works = no; then
+    REPLACE_NAN=1
+  fi
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether HUGE_VAL works" >&5
+printf %s "checking whether HUGE_VAL works... " >&6; }
+if test ${gl_cv_header_math_huge_val_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <math.h>
+int
+main (void)
+{
+/* Solaris 10 has a broken definition of HUGE_VAL.  */
+         double d = HUGE_VAL;
+         return d == 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_header_math_huge_val_works=yes
+else $as_nop
+  gl_cv_header_math_huge_val_works=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_math_huge_val_works" >&5
+printf "%s\n" "$gl_cv_header_math_huge_val_works" >&6; }
+  if test $gl_cv_header_math_huge_val_works = no; then
+    REPLACE_HUGE_VAL=1
+  fi
 
 
-  GNULIB_EXPLICIT_BZERO=0;
-  GNULIB_FFSL=0;
-  GNULIB_FFSLL=0;
-  GNULIB_MEMCHR=0;
-  GNULIB_MEMMEM=0;
-  GNULIB_MEMPCPY=0;
-  GNULIB_MEMRCHR=0;
-  GNULIB_RAWMEMCHR=0;
-  GNULIB_STPCPY=0;
-  GNULIB_STPNCPY=0;
-  GNULIB_STRCHRNUL=0;
-  GNULIB_STRDUP=0;
-  GNULIB_STRNCAT=0;
-  GNULIB_STRNDUP=0;
-  GNULIB_STRNLEN=0;
-  GNULIB_STRPBRK=0;
-  GNULIB_STRSEP=0;
-  GNULIB_STRSTR=0;
-  GNULIB_STRCASESTR=0;
-  GNULIB_STRTOK_R=0;
-  GNULIB_MBSLEN=0;
-  GNULIB_MBSNLEN=0;
-  GNULIB_MBSCHR=0;
-  GNULIB_MBSRCHR=0;
-  GNULIB_MBSSTR=0;
-  GNULIB_MBSCASECMP=0;
-  GNULIB_MBSNCASECMP=0;
-  GNULIB_MBSPCASECMP=0;
-  GNULIB_MBSCASESTR=0;
-  GNULIB_MBSCSPN=0;
-  GNULIB_MBSPBRK=0;
-  GNULIB_MBSSPN=0;
-  GNULIB_MBSSEP=0;
-  GNULIB_MBSTOK_R=0;
-  GNULIB_STRERROR=0;
-  GNULIB_STRERROR_R=0;
-  GNULIB_STRSIGNAL=0;
-  GNULIB_STRVERSCMP=0;
-  HAVE_MBSLEN=0;
-    HAVE_EXPLICIT_BZERO=1;
-  HAVE_FFSL=1;
-  HAVE_FFSLL=1;
-  HAVE_MEMCHR=1;
-  HAVE_DECL_MEMMEM=1;
-  HAVE_MEMPCPY=1;
-  HAVE_DECL_MEMRCHR=1;
-  HAVE_RAWMEMCHR=1;
-  HAVE_STPCPY=1;
-  HAVE_STPNCPY=1;
-  HAVE_STRCHRNUL=1;
-  HAVE_DECL_STRDUP=1;
-  HAVE_DECL_STRNDUP=1;
-  HAVE_DECL_STRNLEN=1;
-  HAVE_STRPBRK=1;
-  HAVE_STRSEP=1;
-  HAVE_STRCASESTR=1;
-  HAVE_DECL_STRTOK_R=1;
-  HAVE_DECL_STRERROR_R=1;
-  HAVE_DECL_STRSIGNAL=1;
-  HAVE_STRVERSCMP=1;
-  REPLACE_MEMCHR=0;
-  REPLACE_MEMMEM=0;
-  REPLACE_STPNCPY=0;
-  REPLACE_STRCHRNUL=0;
-  REPLACE_STRDUP=0;
-  REPLACE_STRNCAT=0;
-  REPLACE_STRNDUP=0;
-  REPLACE_STRNLEN=0;
-  REPLACE_STRSTR=0;
-  REPLACE_STRCASESTR=0;
-  REPLACE_STRTOK_R=0;
-  REPLACE_STRERROR=0;
-  REPLACE_STRERROR_R=0;
-  REPLACE_STRSIGNAL=0;
-  UNDEFINE_STRTOK_R=0;
 
 
 
@@ -13335,19 +15471,65 @@ printf "%s\n" "#define HAVE_MAP_ANONYMOUS 1" >>confdefs.h
 
 
 
+  HAVE_MBSLEN=0;
+    HAVE_EXPLICIT_BZERO=1;
+  HAVE_FFSL=1;
+  HAVE_FFSLL=1;
+  HAVE_DECL_MEMMEM=1;
+  HAVE_MEMPCPY=1;
+  HAVE_DECL_MEMRCHR=1;
+  HAVE_RAWMEMCHR=1;
+  HAVE_STPCPY=1;
+  HAVE_STPNCPY=1;
+  HAVE_STRCHRNUL=1;
+  HAVE_DECL_STRDUP=1;
+  HAVE_DECL_STRNDUP=1;
+  HAVE_DECL_STRNLEN=1;
+  HAVE_STRPBRK=1;
+  HAVE_STRSEP=1;
+  HAVE_STRCASESTR=1;
+  HAVE_DECL_STRTOK_R=1;
+  HAVE_DECL_STRERROR_R=1;
+  HAVE_STRERRORNAME_NP=1;
+  HAVE_SIGABBREV_NP=1;
+  HAVE_SIGDESCR_NP=1;
+  HAVE_DECL_STRSIGNAL=1;
+  HAVE_STRVERSCMP=1;
+  REPLACE_FFSLL=0;
+  REPLACE_MEMCHR=0;
+  REPLACE_MEMMEM=0;
+  REPLACE_STPNCPY=0;
+  REPLACE_STRCHRNUL=0;
+  REPLACE_STRDUP=0;
+  REPLACE_STRNCAT=0;
+  REPLACE_STRNDUP=0;
+  REPLACE_STRNLEN=0;
+  REPLACE_STRSTR=0;
+  REPLACE_STRCASESTR=0;
+  REPLACE_STRTOK_R=0;
+  REPLACE_STRERROR=0;
+  REPLACE_STRERROR_R=0;
+  REPLACE_STRERRORNAME_NP=0;
+  REPLACE_STRSIGNAL=0;
+  UNDEFINE_STRTOK_R=0;
+
+
+
+
+
 
 
-  if test $HAVE_MEMCHR = 1; then
-    # Detect platform-specific bugs in some versions of glibc:
-    # memchr should not dereference anything with length 0
-    #   https://bugzilla.redhat.com/show_bug.cgi?id=499689
-    # memchr should not dereference overestimated length after a match
-    #   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=521737
-    #   https://sourceware.org/bugzilla/show_bug.cgi?id=10162
-    # memchr should cast the second argument to 'unsigned char'.
-    #   This bug exists in Android 4.3.
-    # Assume that memchr works on platforms that lack mprotect.
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether memchr works" >&5
+
+  # Detect platform-specific bugs in some versions of glibc:
+  # memchr should not dereference anything with length 0
+  #   https://bugzilla.redhat.com/show_bug.cgi?id=499689
+  # memchr should not dereference overestimated length after a match
+  #   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=521737
+  #   https://sourceware.org/bugzilla/show_bug.cgi?id=10162
+  # memchr should cast the second argument to 'unsigned char'.
+  #   This bug exists in Android 4.3.
+  # Assume that memchr works on platforms that lack mprotect.
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether memchr works" >&5
 printf %s "checking whether memchr works... " >&6; }
 if test ${gl_cv_func_memchr_works+y}
 then :
@@ -13356,13 +15538,13 @@ else $as_nop
   if test "$cross_compiling" = yes
 then :
   case "$host_os" in
-                             # Guess no on Android.
-            linux*-android*) gl_cv_func_memchr_works="guessing no" ;;
-                             # Guess yes on native Windows.
-            mingw*)          gl_cv_func_memchr_works="guessing yes" ;;
-                             # Be pessimistic for now.
-            *)               gl_cv_func_memchr_works="guessing no" ;;
-          esac
+                           # Guess no on Android.
+          linux*-android*) gl_cv_func_memchr_works="guessing no" ;;
+                           # Guess yes on native Windows.
+          mingw*)          gl_cv_func_memchr_works="guessing yes" ;;
+                           # If we don't know, obey --enable-cross-guesses.
+          *)               gl_cv_func_memchr_works="$gl_cross_guess_normal" ;;
+        esac
 
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13406,6 +15588,7 @@ main (void)
 #endif
   if (fence)
     {
+      /* Test against bugs on glibc systems.  */
       if (memchr (fence, 0, 0))
         result |= 1;
       strcpy (fence - 9, "12345678");
@@ -13413,6 +15596,9 @@ main (void)
         result |= 2;
       if (memchr (fence - 1, 0, 3) != fence - 1)
         result |= 4;
+      /* Test against bug on AIX 7.2.  */
+      if (memchr (fence - 4, '6', 16) != fence - 4)
+        result |= 8;
     }
   /* Test against bug on Android 4.3.  */
   {
@@ -13421,7 +15607,7 @@ main (void)
     input[1] = 'b';
     input[2] = 'c';
     if (memchr (input, 0x789abc00 | 'b', 3) != input + 1)
-      result |= 8;
+      result |= 16;
   }
   return result;
 
@@ -13443,11 +15629,184 @@ fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_memchr_works" >&5
 printf "%s\n" "$gl_cv_func_memchr_works" >&6; }
-    case "$gl_cv_func_memchr_works" in
-      *yes) ;;
-      *) REPLACE_MEMCHR=1 ;;
-    esac
-  fi
+  case "$gl_cv_func_memchr_works" in
+    *yes) ;;
+    *) REPLACE_MEMCHR=1 ;;
+  esac
+
+
+
+  GL_GNULIB_EXPLICIT_BZERO=0
+
+
+
+  GL_GNULIB_FFSL=0
+
+
+
+  GL_GNULIB_FFSLL=0
+
+
+
+  GL_GNULIB_MEMCHR=0
+
+
+
+  GL_GNULIB_MEMMEM=0
+
+
+
+  GL_GNULIB_MEMPCPY=0
+
+
+
+  GL_GNULIB_MEMRCHR=0
+
+
+
+  GL_GNULIB_RAWMEMCHR=0
+
+
+
+  GL_GNULIB_STPCPY=0
+
+
+
+  GL_GNULIB_STPNCPY=0
+
+
+
+  GL_GNULIB_STRCHRNUL=0
+
+
+
+  GL_GNULIB_STRDUP=0
+
+
+
+  GL_GNULIB_STRNCAT=0
+
+
+
+  GL_GNULIB_STRNDUP=0
+
+
+
+  GL_GNULIB_STRNLEN=0
+
+
+
+  GL_GNULIB_STRPBRK=0
+
+
+
+  GL_GNULIB_STRSEP=0
+
+
+
+  GL_GNULIB_STRSTR=0
+
+
+
+  GL_GNULIB_STRCASESTR=0
+
+
+
+  GL_GNULIB_STRTOK_R=0
+
+
+
+  GL_GNULIB_MBSLEN=0
+
+
+
+  GL_GNULIB_MBSNLEN=0
+
+
+
+  GL_GNULIB_MBSCHR=0
+
+
+
+  GL_GNULIB_MBSRCHR=0
+
+
+
+  GL_GNULIB_MBSSTR=0
+
+
+
+  GL_GNULIB_MBSCASECMP=0
+
+
+
+  GL_GNULIB_MBSNCASECMP=0
+
+
+
+  GL_GNULIB_MBSPCASECMP=0
+
+
+
+  GL_GNULIB_MBSCASESTR=0
+
+
+
+  GL_GNULIB_MBSCSPN=0
+
+
+
+  GL_GNULIB_MBSPBRK=0
+
+
+
+  GL_GNULIB_MBSSPN=0
+
+
+
+  GL_GNULIB_MBSSEP=0
+
+
+
+  GL_GNULIB_MBSTOK_R=0
+
+
+
+  GL_GNULIB_STRERROR=0
+
+
+
+  GL_GNULIB_STRERROR_R=0
+
+
+
+  GL_GNULIB_STRERRORNAME_NP=0
+
+
+
+  GL_GNULIB_SIGABBREV_NP=0
+
+
+
+  GL_GNULIB_SIGDESCR_NP=0
+
+
+
+  GL_GNULIB_STRSIGNAL=0
+
+
+
+  GL_GNULIB_STRVERSCMP=0
+
+
+
+  GL_GNULIB_MDA_MEMCCPY=1
+
+
+
+  GL_GNULIB_MDA_STRDUP=1
+
+
 
 ac_fn_check_decl "$LINENO" "memrchr" "ac_cv_have_decl_memrchr" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"
 if test "x$ac_cv_have_decl_memrchr" = xyes
@@ -13462,6 +15821,86 @@ printf "%s\n" "#define HAVE_DECL_MEMRCHR $ac_have_decl" >>confdefs.h
 
 
 
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether <limits.h> defines MIN and MAX" >&5
+printf %s "checking whether <limits.h> defines MIN and MAX... " >&6; }
+if test ${gl_cv_minmax_in_limits_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+            int x = MIN (42, 17);
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_minmax_in_limits_h=yes
+else $as_nop
+  gl_cv_minmax_in_limits_h=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_minmax_in_limits_h" >&5
+printf "%s\n" "$gl_cv_minmax_in_limits_h" >&6; }
+  if test $gl_cv_minmax_in_limits_h = yes; then
+
+printf "%s\n" "#define HAVE_MINMAX_IN_LIMITS_H 1" >>confdefs.h
+
+  fi
+
+
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether <sys/param.h> defines MIN and MAX" >&5
+printf %s "checking whether <sys/param.h> defines MIN and MAX... " >&6; }
+if test ${gl_cv_minmax_in_sys_param_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/param.h>
+            int x = MIN (42, 17);
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_minmax_in_sys_param_h=yes
+else $as_nop
+  gl_cv_minmax_in_sys_param_h=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_minmax_in_sys_param_h" >&5
+printf "%s\n" "$gl_cv_minmax_in_sys_param_h" >&6; }
+  if test $gl_cv_minmax_in_sys_param_h = yes; then
+
+printf "%s\n" "#define HAVE_MINMAX_IN_SYS_PARAM_H 1" >>confdefs.h
+
+  fi
+
+
+
+
+
+
+
+
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for O_CLOEXEC" >&5
 printf %s "checking for O_CLOEXEC... " >&6; }
@@ -13535,6 +15974,15 @@ printf "%s\n" "#define PROMOTED_MODE_T $gl_cv_promoted_mode_t" >>confdefs.h
 
 
 
+
+
+  if test $REPLACE_MALLOC_FOR_MALLOC_POSIX = 1; then
+    REPLACE_REALLOC_FOR_REALLOC_POSIX=1
+  fi
+
+
+
+
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for stdbool.h that conforms to C99" >&5
 printf %s "checking for stdbool.h that conforms to C99... " >&6; }
 if test ${ac_cv_header_stdbool_h+y}
@@ -13672,12 +16120,448 @@ printf "%s\n" "#define HAVE_WCHAR_T 1" >>confdefs.h
   fi
 
 
-  GNULIB_FFS=0;
+
+
+
+
+
+  GL_GENERATE_STDDEF_H=false
+
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for good max_align_t" >&5
+printf %s "checking for good max_align_t... " >&6; }
+if test ${gl_cv_type_max_align_t+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stddef.h>
+            unsigned int s = sizeof (max_align_t);
+            #if defined __GNUC__ || defined __clang__ || defined __IBM__ALIGNOF__
+            int check1[2 * (__alignof__ (double) <= __alignof__ (max_align_t)) - 1];
+            int check2[2 * (__alignof__ (long double) <= __alignof__ (max_align_t)) - 1];
+            #endif
+            typedef struct { char a; max_align_t b; } max_helper;
+            typedef struct { char a; long b; } long_helper;
+            typedef struct { char a; double b; } double_helper;
+            typedef struct { char a; long double b; } long_double_helper;
+            int check3[2 * (offsetof (long_helper, b) <= offsetof (max_helper, b)) - 1];
+            int check4[2 * (offsetof (double_helper, b) <= offsetof (max_helper, b)) - 1];
+            int check5[2 * (offsetof (long_double_helper, b) <= offsetof (max_helper, b)) - 1];
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_type_max_align_t=yes
+else $as_nop
+  gl_cv_type_max_align_t=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_type_max_align_t" >&5
+printf "%s\n" "$gl_cv_type_max_align_t" >&6; }
+  if test $gl_cv_type_max_align_t = no; then
+    HAVE_MAX_ALIGN_T=0
+    GL_GENERATE_STDDEF_H=true
+  fi
+
+  if test $gt_cv_c_wchar_t = no; then
+    HAVE_WCHAR_T=0
+    GL_GENERATE_STDDEF_H=true
+  fi
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether NULL can be used in arbitrary expressions" >&5
+printf %s "checking whether NULL can be used in arbitrary expressions... " >&6; }
+if test ${gl_cv_decl_null_works+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stddef.h>
+      int test[2 * (sizeof NULL == sizeof (void *)) -1];
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_decl_null_works=yes
+else $as_nop
+  gl_cv_decl_null_works=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_decl_null_works" >&5
+printf "%s\n" "$gl_cv_decl_null_works" >&6; }
+  if test $gl_cv_decl_null_works = no; then
+    REPLACE_NULL=1
+    GL_GENERATE_STDDEF_H=true
+  fi
+
+  if $GL_GENERATE_STDDEF_H; then
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_stddef_h='<'stddef.h'>'
+     else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <stddef.h>" >&5
+printf %s "checking absolute name of <stddef.h>... " >&6; }
+if test ${gl_cv_next_stddef_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stddef.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'stddef.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_stddef_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+          gl_header=$gl_cv_absolute_stddef_h
+          gl_cv_next_stddef_h='"'$gl_header'"'
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_stddef_h" >&5
+printf "%s\n" "$gl_cv_next_stddef_h" >&6; }
+     fi
+     NEXT_STDDEF_H=$gl_cv_next_stddef_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'stddef.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_stddef_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_STDDEF_H=$gl_next_as_first_directive
+
+
+
+
+  fi
+
+
+
+ac_fn_check_decl "$LINENO" "fcloseall" "ac_cv_have_decl_fcloseall" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"
+if test "x$ac_cv_have_decl_fcloseall" = xyes
+then :
+  ac_have_decl=1
+else $as_nop
+  ac_have_decl=0
+fi
+printf "%s\n" "#define HAVE_DECL_FCLOSEALL $ac_have_decl" >>confdefs.h
+
+
+
+
+  printf "%s\n" "#define __USE_MINGW_ANSI_STDIO 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_stdio_h='<'stdio.h'>'
+     else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <stdio.h>" >&5
+printf %s "checking absolute name of <stdio.h>... " >&6; }
+if test ${gl_cv_next_stdio_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'stdio.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_stdio_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+          gl_header=$gl_cv_absolute_stdio_h
+          gl_cv_next_stdio_h='"'$gl_header'"'
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_stdio_h" >&5
+printf "%s\n" "$gl_cv_next_stdio_h" >&6; }
+     fi
+     NEXT_STDIO_H=$gl_cv_next_stdio_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'stdio.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_stdio_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_STDIO_H=$gl_next_as_first_directive
+
+
+
+
+
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking which flavor of printf attribute matches inttypes macros" >&5
+printf %s "checking which flavor of printf attribute matches inttypes macros... " >&6; }
+if test ${gl_cv_func_printf_attribute_flavor+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+       #define __STDC_FORMAT_MACROS 1
+       #include <stdio.h>
+       #include <inttypes.h>
+       /* For non-mingw systems, compilation will trivially succeed.
+          For mingw, compilation will succeed for older mingw (system
+          printf, "I64d") and fail for newer mingw (gnu printf, "lld"). */
+       #if (defined _WIN32 && ! defined __CYGWIN__) && \
+         (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
+       extern char PRIdMAX_probe[sizeof PRIdMAX == sizeof "I64d" ? 1 : -1];
+       #endif
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_func_printf_attribute_flavor=system
+else $as_nop
+  gl_cv_func_printf_attribute_flavor=gnu
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_printf_attribute_flavor" >&5
+printf "%s\n" "$gl_cv_func_printf_attribute_flavor" >&6; }
+  if test "$gl_cv_func_printf_attribute_flavor" = gnu; then
+
+printf "%s\n" "#define GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU 1" >>confdefs.h
+
+  fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+  if test $ac_cv_have_decl_fcloseall = no; then
+    HAVE_DECL_FCLOSEALL=0
+  fi
+
+ac_fn_check_decl "$LINENO" "ecvt" "ac_cv_have_decl_ecvt" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"
+if test "x$ac_cv_have_decl_ecvt" = xyes
+then :
+  ac_have_decl=1
+else $as_nop
+  ac_have_decl=0
+fi
+printf "%s\n" "#define HAVE_DECL_ECVT $ac_have_decl" >>confdefs.h
+
+ac_fn_check_decl "$LINENO" "fcvt" "ac_cv_have_decl_fcvt" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"
+if test "x$ac_cv_have_decl_fcvt" = xyes
+then :
+  ac_have_decl=1
+else $as_nop
+  ac_have_decl=0
+fi
+printf "%s\n" "#define HAVE_DECL_FCVT $ac_have_decl" >>confdefs.h
+
+ac_fn_check_decl "$LINENO" "gcvt" "ac_cv_have_decl_gcvt" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"
+if test "x$ac_cv_have_decl_gcvt" = xyes
+then :
+  ac_have_decl=1
+else $as_nop
+  ac_have_decl=0
+fi
+printf "%s\n" "#define HAVE_DECL_GCVT $ac_have_decl" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_stdlib_h='<'stdlib.h'>'
+     else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <stdlib.h>" >&5
+printf %s "checking absolute name of <stdlib.h>... " >&6; }
+if test ${gl_cv_next_stdlib_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'stdlib.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_stdlib_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+          gl_header=$gl_cv_absolute_stdlib_h
+          gl_cv_next_stdlib_h='"'$gl_header'"'
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_stdlib_h" >&5
+printf "%s\n" "$gl_cv_next_stdlib_h" >&6; }
+     fi
+     NEXT_STDLIB_H=$gl_cv_next_stdlib_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'stdlib.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_stdlib_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_STDLIB_H=$gl_next_as_first_directive
+
+
+
+
+
+
+
+
+
+
+
+
+  if test $ac_cv_have_decl_ecvt = no; then
+    HAVE_DECL_ECVT=0
+  fi
+
+  if test $ac_cv_have_decl_fcvt = no; then
+    HAVE_DECL_FCVT=0
+  fi
+
+  if test $ac_cv_have_decl_gcvt = no; then
+    HAVE_DECL_GCVT=0
+  fi
+
+
     HAVE_FFS=1;
   HAVE_STRCASECMP=1;
   HAVE_DECL_STRNCASECMP=1;
 
-
 ac_fn_check_decl "$LINENO" "strdup" "ac_cv_have_decl_strdup" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"
 if test "x$ac_cv_have_decl_strdup" = xyes
 then :
@@ -13700,10 +16584,12 @@ then :
   case "$host_os" in
                         # Guess yes on glibc systems.
          *-gnu* | gnu*) gl_cv_func_strerror_0_works="guessing yes" ;;
+                        # Guess yes on musl systems.
+         *-musl*)       gl_cv_func_strerror_0_works="guessing yes" ;;
                         # Guess yes on native Windows.
          mingw*)        gl_cv_func_strerror_0_works="guessing yes" ;;
-                        # If we don't know, assume the worst.
-         *)             gl_cv_func_strerror_0_works="guessing no" ;;
+                        # If we don't know, obey --enable-cross-guesses.
+         *)             gl_cv_func_strerror_0_works="$gl_cross_guess_normal" ;;
        esac
 
 else $as_nop
@@ -13762,7 +16648,6 @@ printf "%s\n" "#define REPLACE_STRERROR_0 1" >>confdefs.h
 
 
 
-
      if test $gl_cv_have_include_next = yes; then
        gl_cv_next_string_h='<'string.h'>'
      else
@@ -13805,8 +16690,8 @@ _ACEOF
         gl_cv_absolute_string_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_string_h
-           gl_cv_next_string_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_string_h
+          gl_cv_next_string_h='"'$gl_header'"'
 
 
 fi
@@ -13844,6 +16729,8 @@ printf "%s\n" "$gl_cv_next_string_h" >&6; }
 
 
 
+
+
      if test $gl_cv_have_include_next = yes; then
        gl_cv_next_strings_h='<'strings.h'>'
      else
@@ -13889,8 +16776,8 @@ _ACEOF
         gl_cv_absolute_strings_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_strings_h
-           gl_cv_next_strings_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_strings_h
+          gl_cv_next_strings_h='"'$gl_header'"'
           else
                gl_cv_next_strings_h='<'strings.h'>'
              fi
@@ -13927,73 +16814,14 @@ printf "%s\n" "$gl_cv_next_strings_h" >&6; }
 
 
 
+  GL_GNULIB_FFS=0
 
 
 
 
 
-  # Check for mmap(). Don't use AC_FUNC_MMAP, because it checks too much: it
-  # fails on HP-UX 11, because MAP_FIXED mappings do not work. But this is
-  # irrelevant for anonymous mappings.
-  ac_fn_c_check_func "$LINENO" "mmap" "ac_cv_func_mmap"
-if test "x$ac_cv_func_mmap" = xyes
-then :
-  gl_have_mmap=yes
-else $as_nop
-  gl_have_mmap=no
-fi
-
-
-  # Try to allow MAP_ANONYMOUS.
-  gl_have_mmap_anonymous=no
-  if test $gl_have_mmap = yes; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for MAP_ANONYMOUS" >&5
-printf %s "checking for MAP_ANONYMOUS... " >&6; }
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-#include <sys/mman.h>
-#ifdef MAP_ANONYMOUS
-    I cannot identify this map
-#endif
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "I cannot identify this map" >/dev/null 2>&1
-then :
-  gl_have_mmap_anonymous=yes
-fi
-rm -rf conftest*
-
-    if test $gl_have_mmap_anonymous != yes; then
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-#include <sys/mman.h>
-#ifdef MAP_ANON
-    I cannot identify this map
-#endif
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "I cannot identify this map" >/dev/null 2>&1
-then :
-
-printf "%s\n" "#define MAP_ANONYMOUS MAP_ANON" >>confdefs.h
-
-         gl_have_mmap_anonymous=yes
-fi
-rm -rf conftest*
-
-    fi
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_have_mmap_anonymous" >&5
-printf "%s\n" "$gl_have_mmap_anonymous" >&6; }
-    if test $gl_have_mmap_anonymous = yes; then
 
-printf "%s\n" "#define HAVE_MAP_ANONYMOUS 1" >>confdefs.h
 
-    fi
-  fi
 
 
 
@@ -14031,6 +16859,9 @@ else $as_nop
 # endif
 #endif
 
+
+$gl_mda_defines
+
 int
 main (void)
 {
@@ -14118,9 +16949,10 @@ printf "%s\n" "$gl_cv_func_strncat_works" >&6; }
 
 
 
-printf "%s\n" "#define _USE_STD_STAT 1" >>confdefs.h
 
 
+printf "%s\n" "#define _USE_STD_STAT 1" >>confdefs.h
+
 
 
 
@@ -14172,8 +17004,8 @@ _ACEOF
         gl_cv_absolute_sys_types_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_sys_types_h
-           gl_cv_next_sys_types_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_sys_types_h
+          gl_cv_next_sys_types_h='"'$gl_header'"'
 
 
 fi
@@ -14208,6 +17040,28 @@ printf "%s\n" "$gl_cv_next_sys_types_h" >&6; }
 
 
 
+
+    HAVE_DECL_LOCALTIME_R=1;
+  HAVE_NANOSLEEP=1;
+  HAVE_STRPTIME=1;
+  HAVE_TIMEGM=1;
+  HAVE_TIMESPEC_GET=1;
+  HAVE_TIMESPEC_GETRES=1;
+    HAVE_TIMEZONE_T=0;
+        REPLACE_CTIME=GNULIB_PORTCHECK;
+  REPLACE_LOCALTIME_R=GNULIB_PORTCHECK;
+  REPLACE_MKTIME=GNULIB_PORTCHECK;
+  REPLACE_NANOSLEEP=GNULIB_PORTCHECK;
+  REPLACE_STRFTIME=GNULIB_PORTCHECK;
+  REPLACE_TIMEGM=GNULIB_PORTCHECK;
+  REPLACE_TZSET=GNULIB_PORTCHECK;
+
+      : ${GNULIB_GETTIMEOFDAY=0};
+        REPLACE_GMTIME=0;
+  REPLACE_LOCALTIME=0;
+
+
+
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for struct timespec in <time.h>" >&5
 printf %s "checking for struct timespec in <time.h>... " >&6; }
 if test ${gl_cv_sys_struct_timespec_in_time_h+y}
@@ -14398,8 +17252,8 @@ _ACEOF
         gl_cv_absolute_time_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_time_h
-           gl_cv_next_time_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_time_h
+          gl_cv_next_time_h='"'$gl_header'"'
 
 
 fi
@@ -14424,13 +17278,320 @@ printf "%s\n" "$gl_cv_next_time_h" >&6; }
 
 
 
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for TIME_UTC in <time.h>" >&5
+printf %s "checking for TIME_UTC in <time.h>... " >&6; }
+if test ${gl_cv_time_h_has_TIME_UTC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <time.h>
+
+int
+main (void)
+{
+static int x = TIME_UTC; x++;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_time_h_has_TIME_UTC=yes
+else $as_nop
+  gl_cv_time_h_has_TIME_UTC=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_time_h_has_TIME_UTC" >&5
+printf "%s\n" "$gl_cv_time_h_has_TIME_UTC" >&6; }
+  if test $gl_cv_time_h_has_TIME_UTC = yes; then
+    TIME_H_DEFINES_TIME_UTC=1
+  else
+    TIME_H_DEFINES_TIME_UTC=0
+  fi
+
+
+
+
+  GL_GNULIB_CTIME=0
+
+
+
+  GL_GNULIB_MKTIME=0
+
+
+
+  GL_GNULIB_LOCALTIME=0
+
+
+
+  GL_GNULIB_NANOSLEEP=0
+
+
+
+  GL_GNULIB_STRFTIME=0
+
+
+
+  GL_GNULIB_STRPTIME=0
+
+
+
+  GL_GNULIB_TIMEGM=0
+
+
+
+  GL_GNULIB_TIMESPEC_GET=0
+
+
+
+  GL_GNULIB_TIMESPEC_GETRES=0
+
+
+
+  GL_GNULIB_TIME_R=0
+
+
+
+  GL_GNULIB_TIME_RZ=0
+
+
+
+  GL_GNULIB_TZSET=0
+
+
+
+  GL_GNULIB_MDA_TZSET=1
+
+
+
+ac_fn_check_decl "$LINENO" "execvpe" "ac_cv_have_decl_execvpe" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS"
+if test "x$ac_cv_have_decl_execvpe" = xyes
+then :
+  ac_have_decl=1
+else $as_nop
+  ac_have_decl=0
+fi
+printf "%s\n" "#define HAVE_DECL_EXECVPE $ac_have_decl" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_unistd_h='<'unistd.h'>'
+     else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <unistd.h>" >&5
+printf %s "checking absolute name of <unistd.h>... " >&6; }
+if test ${gl_cv_next_unistd_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+             if test $ac_cv_header_unistd_h = yes; then
+
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <unistd.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'unistd.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_unistd_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+          gl_header=$gl_cv_absolute_unistd_h
+          gl_cv_next_unistd_h='"'$gl_header'"'
+          else
+               gl_cv_next_unistd_h='<'unistd.h'>'
+             fi
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_unistd_h" >&5
+printf "%s\n" "$gl_cv_next_unistd_h" >&6; }
+     fi
+     NEXT_UNISTD_H=$gl_cv_next_unistd_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'unistd.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_unistd_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_UNISTD_H=$gl_next_as_first_directive
+
+
+
+
+  if test $ac_cv_header_unistd_h = yes; then
+    HAVE_UNISTD_H=1
+  else
+    HAVE_UNISTD_H=0
+  fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+  if test $ac_cv_have_decl_execvpe = no; then
+    HAVE_DECL_EXECVPE=0
+  fi
+
+
 
-  GNULIB_UTIME=0;
     HAVE_UTIME=1;
   REPLACE_UTIME=0;
 
 
 
+  GL_GNULIB_UTIME=0
+
+
+
+  GL_GNULIB_MDA_UTIME=1
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_utime_h='<'utime.h'>'
+     else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <utime.h>" >&5
+printf %s "checking absolute name of <utime.h>... " >&6; }
+if test ${gl_cv_next_utime_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+             if test $ac_cv_header_utime_h = yes; then
+
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <utime.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'utime.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_utime_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+          gl_header=$gl_cv_absolute_utime_h
+          gl_cv_next_utime_h='"'$gl_header'"'
+          else
+               gl_cv_next_utime_h='<'utime.h'>'
+             fi
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_utime_h" >&5
+printf "%s\n" "$gl_cv_next_utime_h" >&6; }
+     fi
+     NEXT_UTIME_H=$gl_cv_next_utime_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'utime.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_utime_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_UTIME_H=$gl_next_as_first_directive
+
+
+
+
+
+  if test $ac_cv_header_utime_h = yes; then
+    HAVE_UTIME_H=1
+  else
+    HAVE_UTIME_H=0
+  fi
+
+
+
+
+
+
 
      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the utimes function works" >&5
 printf %s "checking whether the utimes function works... " >&6; }
@@ -14441,9 +17602,11 @@ else $as_nop
   if test "$cross_compiling" = yes
 then :
   case "$host_os" in
-                  # Guess no on native Windows.
-          mingw*) gl_cv_func_working_utimes="guessing no" ;;
-          *)      gl_cv_func_working_utimes="guessing no" ;;
+                   # Guess yes on musl systems.
+          *-musl*) gl_cv_func_working_utimes="guessing yes" ;;
+                   # Guess no on native Windows.
+          mingw*)  gl_cv_func_working_utimes="guessing no" ;;
+          *)       gl_cv_func_working_utimes="$gl_cross_guess_normal" ;;
         esac
 
 else $as_nop
@@ -14461,6 +17624,10 @@ else $as_nop
 #include <utime.h>
 #include <errno.h>
 
+
+$gl_mda_defines
+
+
 static int
 inorder (time_t a, time_t b, time_t c)
 {
@@ -14722,11 +17889,7 @@ printf "%s\n" "#define HAVE_INTMAX_T 1" >>confdefs.h
 
   else
 
-    test $ac_cv_type_long_long_int = yes \
-      && ac_type='long long' \
-      || ac_type='long'
-
-printf "%s\n" "#define intmax_t $ac_type" >>confdefs.h
+printf "%s\n" "#define intmax_t long long" >>confdefs.h
 
   fi
 
@@ -14749,9 +17912,12 @@ then :
   case "$host_os" in
                                  # Guess yes on glibc systems.
            *-gnu* | gnu*)        gl_cv_func_snprintf_retval_c99="guessing yes";;
+                                 # Guess yes on musl systems.
+           *-musl*)              gl_cv_func_snprintf_retval_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
            freebsd[1-4].*)       gl_cv_func_snprintf_retval_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+           midnightbsd*)         gl_cv_func_snprintf_retval_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_snprintf_retval_c99="guessing no";;
            darwin*)              gl_cv_func_snprintf_retval_c99="guessing yes";;
@@ -14792,8 +17958,8 @@ fi
 rm -rf conftest*
 
                                  ;;
-                                 # If we don't know, assume the worst.
-           *)                    gl_cv_func_snprintf_retval_c99="guessing no";;
+                                 # If we don't know, obey --enable-cross-guesses.
+           *)                    gl_cv_func_snprintf_retval_c99="$gl_cross_guess_normal";;
          esac
 
 else $as_nop
@@ -14847,6 +18013,108 @@ printf "%s\n" "$gl_cv_func_snprintf_retval_c99" >&6; }
 
 
 
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether snprintf truncates the result as in C99" >&5
+printf %s "checking whether snprintf truncates the result as in C99... " >&6; }
+if test ${gl_cv_func_snprintf_truncation_c99+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+      if test "$cross_compiling" = yes
+then :
+
+         case "$host_os" in
+                                 # Guess yes on glibc systems.
+           *-gnu* | gnu*)        gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on musl systems.
+           *-musl*)              gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on FreeBSD >= 5.
+           freebsd[1-4].*)       gl_cv_func_snprintf_truncation_c99="guessing no";;
+           freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+           midnightbsd*)         gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on Mac OS X >= 10.3.
+           darwin[1-6].*)        gl_cv_func_snprintf_truncation_c99="guessing no";;
+           darwin*)              gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on OpenBSD >= 3.9.
+           openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
+                                 gl_cv_func_snprintf_truncation_c99="guessing no";;
+           openbsd*)             gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on Solaris >= 2.6.
+           solaris2.[0-5] | solaris2.[0-5].*)
+                                 gl_cv_func_snprintf_truncation_c99="guessing no";;
+           solaris*)             gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on AIX >= 4.
+           aix[1-3]*)            gl_cv_func_snprintf_truncation_c99="guessing no";;
+           aix*)                 gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on HP-UX >= 11.
+           hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+           hpux*)                gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on IRIX >= 6.5.
+           irix6.5)              gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on OSF/1 >= 5.
+           osf[3-4]*)            gl_cv_func_snprintf_truncation_c99="guessing no";;
+           osf*)                 gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on NetBSD >= 3.
+           netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+                                 gl_cv_func_snprintf_truncation_c99="guessing no";;
+           netbsd*)              gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on BeOS.
+           beos*)                gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess yes on Android.
+           linux*-android*)      gl_cv_func_snprintf_truncation_c99="guessing yes";;
+                                 # Guess no on native Windows.
+           mingw*)               gl_cv_func_snprintf_truncation_c99="guessing no";;
+                                 # If we don't know, obey --enable-cross-guesses.
+           *)                    gl_cv_func_snprintf_truncation_c99="$gl_cross_guess_normal";;
+         esac
+
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <stdio.h>
+#include <string.h>
+#if HAVE_SNPRINTF
+# define my_snprintf snprintf
+#else
+# include <stdarg.h>
+static int my_snprintf (char *buf, int size, const char *format, ...)
+{
+  va_list args;
+  int ret;
+  va_start (args, format);
+  ret = vsnprintf (buf, size, format, args);
+  va_end (args);
+  return ret;
+}
+#endif
+static char buf[100];
+int main ()
+{
+  strcpy (buf, "ABCDEF");
+  my_snprintf (buf, 3, "%d %d", 4567, 89);
+  if (memcmp (buf, "45\0DEF", 6) != 0)
+    return 1;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  gl_cv_func_snprintf_truncation_c99=yes
+else $as_nop
+  gl_cv_func_snprintf_truncation_c99=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_snprintf_truncation_c99" >&5
+printf "%s\n" "$gl_cv_func_snprintf_truncation_c99" >&6; }
+
+
+
 
 
   ac_fn_c_check_func "$LINENO" "snprintf" "ac_cv_func_snprintf"
@@ -14906,6 +18174,14 @@ printf "%s\n" "#define HAVE_SNPRINTF_RETVAL_C99 1" >>confdefs.h
       ;;
   esac
 
+  case "$gl_cv_func_snprintf_truncation_c99" in
+    *yes)
+
+printf "%s\n" "#define HAVE_SNPRINTF_TRUNCATION_C99 1" >>confdefs.h
+
+      ;;
+  esac
+
 
 
 
@@ -14923,9 +18199,12 @@ then :
          case "$host_os" in
                                  # Guess yes on glibc systems.
            *-gnu* | gnu*)        gl_cv_func_printf_sizes_c99="guessing yes";;
+                                 # Guess yes on musl systems.
+           *-musl*)              gl_cv_func_printf_sizes_c99="guessing yes";;
                                  # Guess yes on FreeBSD >= 5.
            freebsd[1-4].*)       gl_cv_func_printf_sizes_c99="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
+           midnightbsd*)         gl_cv_func_printf_sizes_c99="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_printf_sizes_c99="guessing no";;
            darwin*)              gl_cv_func_printf_sizes_c99="guessing yes";;
@@ -14961,8 +18240,8 @@ fi
 rm -rf conftest*
 
                                  ;;
-                                 # If we don't know, assume the worst.
-           *)                    gl_cv_func_printf_sizes_c99="guessing no";;
+                                 # If we don't know, obey --enable-cross-guesses.
+           *)                    gl_cv_func_printf_sizes_c99="$gl_cross_guess_normal";;
          esac
 
 else $as_nop
@@ -15114,9 +18393,12 @@ then :
          case "$host_os" in
                                  # Guess yes on glibc systems.
            *-gnu* | gnu*)        gl_cv_func_printf_infinite="guessing yes";;
+                                 # Guess yes on musl systems.
+           *-musl*)              gl_cv_func_printf_infinite="guessing yes";;
                                  # Guess yes on FreeBSD >= 6.
            freebsd[1-5].*)       gl_cv_func_printf_infinite="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";;
+           midnightbsd*)         gl_cv_func_printf_infinite="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_printf_infinite="guessing no";;
            darwin*)              gl_cv_func_printf_infinite="guessing yes";;
@@ -15127,6 +18409,9 @@ then :
            netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
                                  gl_cv_func_printf_infinite="guessing no";;
            netbsd*)              gl_cv_func_printf_infinite="guessing yes";;
+                                 # Guess yes on OpenBSD >= 6.0.
+           openbsd[1-5].*)       gl_cv_func_printf_infinite="guessing no";;
+           openbsd*)             gl_cv_func_printf_infinite="guessing yes";;
                                  # Guess yes on BeOS.
            beos*)                gl_cv_func_printf_infinite="guessing yes";;
                                  # Guess no on Android.
@@ -15150,8 +18435,8 @@ fi
 rm -rf conftest*
 
                                  ;;
-                                 # If we don't know, assume the worst.
-           *)                    gl_cv_func_printf_infinite="guessing no";;
+                                 # If we don't know, obey --enable-cross-guesses.
+           *)                    gl_cv_func_printf_infinite="$gl_cross_guess_normal";;
          esac
 
 else $as_nop
@@ -15268,12 +18553,18 @@ then :
                  case "$host_os" in
                                          # Guess yes on glibc systems.
                    *-gnu* | gnu*)        gl_cv_func_printf_infinite_long_double="guessing yes";;
+                                         # Guess yes on musl systems.
+                   *-musl*)              gl_cv_func_printf_infinite_long_double="guessing yes";;
                                          # Guess yes on FreeBSD >= 6.
                    freebsd[1-5].*)       gl_cv_func_printf_infinite_long_double="guessing no";;
                    freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+                   midnightbsd*)         gl_cv_func_printf_infinite_long_double="guessing yes";;
                                          # Guess yes on HP-UX >= 11.
                    hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";;
                    hpux*)                gl_cv_func_printf_infinite_long_double="guessing yes";;
+                                         # Guess yes on OpenBSD >= 6.0.
+                   openbsd[1-5].*)       gl_cv_func_printf_infinite_long_double="guessing no";;
+                   openbsd*)             gl_cv_func_printf_infinite_long_double="guessing yes";;
                                          # Guess no on Android.
                    linux*-android*)      gl_cv_func_printf_infinite_long_double="guessing no";;
                                          # Guess yes on MSVC, no on mingw.
@@ -15295,8 +18586,8 @@ fi
 rm -rf conftest*
 
                                          ;;
-                                         # If we don't know, assume the worst.
-                   *)                    gl_cv_func_printf_infinite_long_double="guessing no";;
+                                         # If we don't know, obey --enable-cross-guesses.
+                   *)                    gl_cv_func_printf_infinite_long_double="$gl_cross_guess_normal";;
                  esac
                  ;;
              esac
@@ -15343,7 +18634,7 @@ nocrash_init (void)
   /* Allocate a port on which the thread shall listen for exceptions.  */
   if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port)
       == KERN_SUCCESS) {
-    /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.  */
+    /* See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.  */
     if (mach_port_insert_right (self, our_exception_port, our_exception_port,
                                 MACH_MSG_TYPE_MAKE_SEND)
         == KERN_SUCCESS) {
@@ -15362,7 +18653,7 @@ nocrash_init (void)
            for a particular thread.  This has the effect that when our exception
            port gets the message, the thread specific exception port has already
            been asked, and we don't need to bother about it.
-           See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.  */
+           See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.  */
         task_set_exception_ports (self, mask, our_exception_port,
                                   EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
       }
@@ -15623,12 +18914,14 @@ fi
 rm -rf conftest*
 
              ;;
+                                 # Guess yes on musl systems.
+           *-musl*)              gl_cv_func_printf_directive_a="guessing yes";;
                                  # Guess no on Android.
            linux*-android*)      gl_cv_func_printf_directive_a="guessing no";;
                                  # Guess no on native Windows.
            mingw*)               gl_cv_func_printf_directive_a="guessing no";;
-                                 # If we don't know, assume the worst.
-           *)                    gl_cv_func_printf_directive_a="guessing no";;
+                                 # If we don't know, obey --enable-cross-guesses.
+           *)                    gl_cv_func_printf_directive_a="$gl_cross_guess_normal";;
          esac
 
 else $as_nop
@@ -15654,7 +18947,7 @@ int main ()
           && strcmp (buf, "-0X6.488P-1 33") != 0
           && strcmp (buf, "-0XC.91P-2 33") != 0))
     result |= 2;
-  /* This catches a FreeBSD 6.1 bug: it doesn't round.  */
+  /* This catches a FreeBSD 13.0 bug: it doesn't round.  */
   if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0
       || (strcmp (buf, "0x1.83p+0 33") != 0
           && strcmp (buf, "0x3.05p-1 33") != 0
@@ -15721,12 +19014,18 @@ then :
          case "$host_os" in
                                  # Guess yes on glibc systems.
            *-gnu* | gnu*)        gl_cv_func_printf_directive_f="guessing yes";;
+                                 # Guess yes on musl systems.
+           *-musl*)              gl_cv_func_printf_directive_f="guessing yes";;
                                  # Guess yes on FreeBSD >= 6.
            freebsd[1-5].*)       gl_cv_func_printf_directive_f="guessing no";;
            freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
+           midnightbsd*)         gl_cv_func_printf_directive_f="guessing yes";;
                                  # Guess yes on Mac OS X >= 10.3.
            darwin[1-6].*)        gl_cv_func_printf_directive_f="guessing no";;
            darwin*)              gl_cv_func_printf_directive_f="guessing yes";;
+                                 # Guess yes on OpenBSD >= 6.0.
+           openbsd[1-5].*)       gl_cv_func_printf_directive_f="guessing no";;
+           openbsd*)             gl_cv_func_printf_directive_f="guessing yes";;
                                  # Guess yes on Solaris >= 2.10.
            solaris2.[1-9][0-9]*) gl_cv_func_printf_directive_f="guessing yes";;
            solaris*)             gl_cv_func_printf_directive_f="guessing no";;
@@ -15751,8 +19050,8 @@ fi
 rm -rf conftest*
 
                                  ;;
-                                 # If we don't know, assume the worst.
-           *)                    gl_cv_func_printf_directive_f="guessing no";;
+                                 # If we don't know, obey --enable-cross-guesses.
+           *)                    gl_cv_func_printf_directive_f="$gl_cross_guess_normal";;
          esac
 
 else $as_nop
@@ -15806,6 +19105,22 @@ else $as_nop
       if test "$cross_compiling" = yes
 then :
   case "$host_os" in
+                            # Guess no on glibc when _FORTIFY_SOURCE >= 2.
+           *-gnu* | gnu*)   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#if _FORTIFY_SOURCE >= 2
+                                    error fail
+                                   #endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_func_printf_directive_n="guessing yes"
+else $as_nop
+  gl_cv_func_printf_directive_n="guessing no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+                            ;;
                             # Guess no on Android.
            linux*-android*) gl_cv_func_printf_directive_n="guessing no";;
                             # Guess no on native Windows.
@@ -15821,7 +19136,10 @@ else $as_nop
 #include <stdlib.h>
 #include <string.h>
 #ifdef _MSC_VER
-/* See page about "Parameter Validation" on msdn.microsoft.com.  */
+#include <inttypes.h>
+/* See page about "Parameter Validation" on msdn.microsoft.com.
+   <https://docs.microsoft.com/en-us/cpp/c-runtime-library/parameter-validation>
+   <https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/set-invalid-parameter-handler-set-thread-local-invalid-parameter-handler>  */
 static void cdecl
 invalid_parameter_handler (const wchar_t *expression,
                            const wchar_t *function,
@@ -15878,7 +19196,9 @@ else $as_nop
 then :
 
          case "$host_os" in
-           openbsd*)        gl_cv_func_printf_directive_ls="guessing no";;
+                            # Guess yes on OpenBSD >= 6.0.
+           openbsd[1-5].*)  gl_cv_func_printf_directive_ls="guessing no";;
+           openbsd*)        gl_cv_func_printf_directive_ls="guessing yes";;
            irix*)           gl_cv_func_printf_directive_ls="guessing no";;
            solaris*)        gl_cv_func_printf_directive_ls="guessing no";;
            cygwin*)         gl_cv_func_printf_directive_ls="guessing no";;
@@ -15894,13 +19214,7 @@ else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
 #include <stdio.h>
-#include <time.h>
 #include <wchar.h>
 #include <string.h>
 int main ()
@@ -16136,14 +19450,16 @@ then :
          case "$host_os" in
                             # Guess yes on glibc systems.
            *-gnu* | gnu*)   gl_cv_func_printf_flag_zero="guessing yes";;
+                            # Guess yes on musl systems.
+           *-musl*)         gl_cv_func_printf_flag_zero="guessing yes";;
                             # Guess yes on BeOS.
            beos*)           gl_cv_func_printf_flag_zero="guessing yes";;
                             # Guess no on Android.
            linux*-android*) gl_cv_func_printf_flag_zero="guessing no";;
                             # Guess no on native Windows.
            mingw*)          gl_cv_func_printf_flag_zero="guessing no";;
-                            # If we don't know, assume the worst.
-           *)               gl_cv_func_printf_flag_zero="guessing no";;
+                            # If we don't know, obey --enable-cross-guesses.
+           *)               gl_cv_func_printf_flag_zero="$gl_cross_guess_normal";;
          esac
 
 else $as_nop
@@ -16279,7 +19595,7 @@ mach_exception_thread (void *arg)
   struct {
     mach_msg_header_t head;
     mach_msg_body_t msgh_body;
-    char data1024;
+    char data[1024];
   } msg;
   mach_msg_return_t retval;
   /* Wait for a message on the exception port.  */
@@ -16296,7 +19612,7 @@ nocrash_init (void)
   /* Allocate a port on which the thread shall listen for exceptions.  */
   if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port)
       == KERN_SUCCESS) {
-    /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.  */
+    /* See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html.  */
     if (mach_port_insert_right (self, our_exception_port, our_exception_port,
                                 MACH_MSG_TYPE_MAKE_SEND)
         == KERN_SUCCESS) {
@@ -16315,7 +19631,7 @@ nocrash_init (void)
            for a particular thread.  This has the effect that when our exception
            port gets the message, the thread specific exception port has already
            been asked, and we don't need to bother about it.
-           See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.  */
+           See https://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html.  */
         task_set_exception_ports (self, mask, our_exception_port,
                                   EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
       }
@@ -16466,8 +19782,8 @@ _ACEOF
           haiku*)          gl_cv_func_printf_enomem="guessing yes";;
                            # Guess no on Android.
           linux*-android*) gl_cv_func_printf_enomem="guessing no";;
-                           # If we don't know, assume the worst.
-          *)               gl_cv_func_printf_enomem="guessing no";;
+                           # If we don't know, obey --enable-cross-guesses.
+          *)               gl_cv_func_printf_enomem="$gl_cross_guess_normal";;
         esac
       fi
 
@@ -16488,46 +19804,6 @@ printf "%s\n" "#define NEED_PRINTF_LONG_DOUBLE 1" >>confdefs.h
   esac
 
 
-  GNULIB_BTOWC=0;
-  GNULIB_WCTOB=0;
-  GNULIB_MBSINIT=0;
-  GNULIB_MBRTOWC=0;
-  GNULIB_MBRLEN=0;
-  GNULIB_MBSRTOWCS=0;
-  GNULIB_MBSNRTOWCS=0;
-  GNULIB_WCRTOMB=0;
-  GNULIB_WCSRTOMBS=0;
-  GNULIB_WCSNRTOMBS=0;
-  GNULIB_WCWIDTH=0;
-  GNULIB_WMEMCHR=0;
-  GNULIB_WMEMCMP=0;
-  GNULIB_WMEMCPY=0;
-  GNULIB_WMEMMOVE=0;
-  GNULIB_WMEMSET=0;
-  GNULIB_WCSLEN=0;
-  GNULIB_WCSNLEN=0;
-  GNULIB_WCSCPY=0;
-  GNULIB_WCPCPY=0;
-  GNULIB_WCSNCPY=0;
-  GNULIB_WCPNCPY=0;
-  GNULIB_WCSCAT=0;
-  GNULIB_WCSNCAT=0;
-  GNULIB_WCSCMP=0;
-  GNULIB_WCSNCMP=0;
-  GNULIB_WCSCASECMP=0;
-  GNULIB_WCSNCASECMP=0;
-  GNULIB_WCSCOLL=0;
-  GNULIB_WCSXFRM=0;
-  GNULIB_WCSDUP=0;
-  GNULIB_WCSCHR=0;
-  GNULIB_WCSRCHR=0;
-  GNULIB_WCSCSPN=0;
-  GNULIB_WCSSPN=0;
-  GNULIB_WCSPBRK=0;
-  GNULIB_WCSSTR=0;
-  GNULIB_WCSTOK=0;
-  GNULIB_WCSWIDTH=0;
-  GNULIB_WCSFTIME=0;
     HAVE_BTOWC=1;
   HAVE_MBSINIT=1;
   HAVE_MBRTOWC=1;
@@ -16541,6 +19817,7 @@ printf "%s\n" "#define NEED_PRINTF_LONG_DOUBLE 1" >>confdefs.h
   HAVE_WMEMCMP=1;
   HAVE_WMEMCPY=1;
   HAVE_WMEMMOVE=1;
+  HAVE_WMEMPCPY=1;
   HAVE_WMEMSET=1;
   HAVE_WCSLEN=1;
   HAVE_WCSNLEN=1;
@@ -16567,6 +19844,7 @@ printf "%s\n" "#define NEED_PRINTF_LONG_DOUBLE 1" >>confdefs.h
   HAVE_WCSWIDTH=1;
   HAVE_WCSFTIME=1;
   HAVE_DECL_WCTOB=1;
+  HAVE_DECL_WCSDUP=1;
   HAVE_DECL_WCWIDTH=1;
   REPLACE_MBSTATE_T=0;
   REPLACE_BTOWC=0;
@@ -16582,70 +19860,64 @@ printf "%s\n" "#define NEED_PRINTF_LONG_DOUBLE 1" >>confdefs.h
   REPLACE_WCWIDTH=0;
   REPLACE_WCSWIDTH=0;
   REPLACE_WCSFTIME=0;
+  REPLACE_WCSTOK=0;
+
 
 
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether <wchar.h> uses 'inline' correctly" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether <wchar.h> uses 'inline' correctly" >&5
 printf %s "checking whether <wchar.h> uses 'inline' correctly... " >&6; }
 if test ${gl_cv_header_wchar_h_correct_inline+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
   gl_cv_header_wchar_h_correct_inline=yes
-     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+     case "$host_os" in
+       *-gnu* | gnu*)
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-       #define wcstod renamed_wcstod
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
-#include <wchar.h>
-extern int zero (void);
-int main () { return zero(); }
+
+             #define wcstod renamed_wcstod
+             #include <wchar.h>
+             extern int zero (void);
+             int main () { return zero(); }
 
 _ACEOF
-                              save_ac_compile="$ac_compile"
-     ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest1/`
-     if echo '#include "conftest.c"' >conftest1.c &&
-        { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+                                                      save_ac_compile="$ac_compile"
+         ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest1/`
+         if echo '#include "conftest.c"' >conftest1.c \
+            && { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+           cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-         #define wcstod renamed_wcstod
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
-   <wchar.h>.
-   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
-   included before <wchar.h>.  */
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
-#include <wchar.h>
-int zero (void) { return 0; }
+
+               #define wcstod renamed_wcstod
+               #include <wchar.h>
+               int zero (void) { return 0; }
 
 _ACEOF
-              ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest2/`
-       if echo '#include "conftest.c"' >conftest2.c &&
-          { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+                      ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest2/`
+           if echo '#include "conftest.c"' >conftest2.c \
+              && { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-         if $CC -o conftest$ac_exeext $CFLAGS $LDFLAGS conftest1.$ac_objext conftest2.$ac_objext $LIBS >&5 2>&1; then
-           :
-         else
-           gl_cv_header_wchar_h_correct_inline=no
+             if $CC -o conftest$ac_exeext $CFLAGS $LDFLAGS conftest1.$ac_objext conftest2.$ac_objext $LIBS >&5 2>&1; then
+               :
+             else
+               gl_cv_header_wchar_h_correct_inline=no
+             fi
+           fi
          fi
-       fi
-     fi
-     ac_compile="$save_ac_compile"
-     rm -f conftest12.c conftest12.$ac_objext conftest$ac_exeext
+         ac_compile="$save_ac_compile"
+         rm -f conftest12.c conftest12.$ac_objext conftest$ac_exeext
+         ;;
+     esac
 
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_wchar_h_correct_inline" >&5
@@ -16673,6 +19945,383 @@ Configuration aborted." "$LINENO" 5
 
 
 
+
+
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_wchar_h='<'wchar.h'>'
+     else
+       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <wchar.h>" >&5
+printf %s "checking absolute name of <wchar.h>... " >&6; }
+if test ${gl_cv_next_wchar_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+
+             if test $ac_cv_header_wchar_h = yes; then
+
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <wchar.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'wchar.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_wchar_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+          gl_header=$gl_cv_absolute_wchar_h
+          gl_cv_next_wchar_h='"'$gl_header'"'
+          else
+               gl_cv_next_wchar_h='<'wchar.h'>'
+             fi
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_wchar_h" >&5
+printf "%s\n" "$gl_cv_next_wchar_h" >&6; }
+     fi
+     NEXT_WCHAR_H=$gl_cv_next_wchar_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'wchar.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_wchar_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_WCHAR_H=$gl_next_as_first_directive
+
+
+
+
+  if test $ac_cv_header_wchar_h = yes; then
+    HAVE_WCHAR_H=1
+  else
+    HAVE_WCHAR_H=0
+  fi
+
+
+
+
+
+  if test $gt_cv_c_wint_t = yes; then
+    HAVE_WINT_T=1
+  else
+    HAVE_WINT_T=0
+  fi
+
+
+
+
+
+
+
+
+
+
+  ac_fn_check_decl "$LINENO" "wcsdup" "ac_cv_have_decl_wcsdup" "
+      #include <wchar.h>
+
+" "$ac_c_undeclared_builtin_options" "CFLAGS"
+if test "x$ac_cv_have_decl_wcsdup" = xyes
+then :
+  ac_have_decl=1
+else $as_nop
+  ac_have_decl=0
+fi
+printf "%s\n" "#define HAVE_DECL_WCSDUP $ac_have_decl" >>confdefs.h
+
+  if test $ac_cv_have_decl_wcsdup = no; then
+    HAVE_DECL_WCSDUP=0
+  fi
+
+
+
+  GL_GNULIB_BTOWC=0
+
+
+
+  GL_GNULIB_WCTOB=0
+
+
+
+  GL_GNULIB_MBSINIT=0
+
+
+
+  GL_GNULIB_MBRTOWC=0
+
+
+
+  GL_GNULIB_MBRLEN=0
+
+
+
+  GL_GNULIB_MBSRTOWCS=0
+
+
+
+  GL_GNULIB_MBSNRTOWCS=0
+
+
+
+  GL_GNULIB_WCRTOMB=0
+
+
+
+  GL_GNULIB_WCSRTOMBS=0
+
+
+
+  GL_GNULIB_WCSNRTOMBS=0
+
+
+
+  GL_GNULIB_WCWIDTH=0
+
+
+
+  GL_GNULIB_WMEMCHR=0
+
+
+
+  GL_GNULIB_WMEMCMP=0
+
+
+
+  GL_GNULIB_WMEMCPY=0
+
+
+
+  GL_GNULIB_WMEMMOVE=0
+
+
+
+  GL_GNULIB_WMEMPCPY=0
+
+
+
+  GL_GNULIB_WMEMSET=0
+
+
+
+  GL_GNULIB_WCSLEN=0
+
+
+
+  GL_GNULIB_WCSNLEN=0
+
+
+
+  GL_GNULIB_WCSCPY=0
+
+
+
+  GL_GNULIB_WCPCPY=0
+
+
+
+  GL_GNULIB_WCSNCPY=0
+
+
+
+  GL_GNULIB_WCPNCPY=0
+
+
+
+  GL_GNULIB_WCSCAT=0
+
+
+
+  GL_GNULIB_WCSNCAT=0
+
+
+
+  GL_GNULIB_WCSCMP=0
+
+
+
+  GL_GNULIB_WCSNCMP=0
+
+
+
+  GL_GNULIB_WCSCASECMP=0
+
+
+
+  GL_GNULIB_WCSNCASECMP=0
+
+
+
+  GL_GNULIB_WCSCOLL=0
+
+
+
+  GL_GNULIB_WCSXFRM=0
+
+
+
+  GL_GNULIB_WCSDUP=0
+
+
+
+  GL_GNULIB_WCSCHR=0
+
+
+
+  GL_GNULIB_WCSRCHR=0
+
+
+
+  GL_GNULIB_WCSCSPN=0
+
+
+
+  GL_GNULIB_WCSSPN=0
+
+
+
+  GL_GNULIB_WCSPBRK=0
+
+
+
+  GL_GNULIB_WCSSTR=0
+
+
+
+  GL_GNULIB_WCSTOK=0
+
+
+
+  GL_GNULIB_WCSWIDTH=0
+
+
+
+  GL_GNULIB_WCSFTIME=0
+
+
+
+  GL_GNULIB_MDA_WCSDUP=1
+
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler option to allow warnings" >&5
+printf %s "checking for C compiler option to allow warnings... " >&6; }
+if test ${gl_cv_cc_wallow+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  rm -f conftest*
+     echo 'int dummy;' > conftest.c
+     { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -c conftest.c 2>conftest1.err'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; } >/dev/null
+     { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Wno-error -c conftest.c 2>conftest2.err'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; } >/dev/null
+                         if test $? = 0 && test `wc -l < conftest1.err` = `wc -l < conftest2.err`; then
+       gl_cv_cc_wallow='-Wno-error'
+     else
+       gl_cv_cc_wallow=none
+     fi
+     rm -f conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_cc_wallow" >&5
+printf "%s\n" "$gl_cv_cc_wallow" >&6; }
+  case "$gl_cv_cc_wallow" in
+    none) GL_CFLAG_ALLOW_WARNINGS='' ;;
+    *)    GL_CFLAG_ALLOW_WARNINGS="$gl_cv_cc_wallow" ;;
+  esac
+
+
+
+
+      GL_CFLAG_GNULIB_WARNINGS=''
+  if test -n "$GL_CFLAG_ALLOW_WARNINGS"; then
+                                                                        cat > conftest.c <<\EOF
+      #if __GNUC__ >= 3 || (__clang_major__ + (__clang_minor__ >= 9) > 3)
+      -Wno-cast-qual
+      -Wno-conversion
+      -Wno-float-equal
+      -Wno-sign-compare
+      -Wno-undef
+      -Wno-unused-function
+      -Wno-unused-parameter
+      #endif
+      #if __GNUC__ + (__GNUC_MINOR__ >= 9) > 4 || (__clang_major__ + (__clang_minor__ >= 9) > 3)
+      -Wno-float-conversion
+      #endif
+      #if __GNUC__ >= 7 || (__clang_major__ + (__clang_minor__ >= 9) > 3)
+      -Wimplicit-fallthrough
+      #endif
+      #if __GNUC__ + (__GNUC_MINOR__ >= 8) > 4 || (__clang_major__ + (__clang_minor__ >= 9) > 3)
+      -Wno-pedantic
+      #endif
+      #if __GNUC__ + (__GNUC_MINOR__ >= 3) > 4 || (__clang_major__ + (__clang_minor__ >= 9) > 3)
+      -Wno-sign-conversion
+      -Wno-type-limits
+      #endif
+      #if __GNUC__ + (__GNUC_MINOR__ >= 5) > 4
+      -Wno-unsuffixed-float-constants
+      #endif
+EOF
+    gl_command="$CC $CFLAGS $CPPFLAGS -E conftest.c > conftest.out"
+    if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$gl_command\""; } >&5
+  (eval $gl_command) 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+      gl_options=`grep -v '#' conftest.out`
+      for word in $gl_options; do
+        GL_CFLAG_GNULIB_WARNINGS="$GL_CFLAG_GNULIB_WARNINGS $word"
+      done
+    fi
+    rm -f conftest.c conftest.out
+  fi
+
+
+
    if false; then
   GL_COND_LIBTOOL_TRUE=
   GL_COND_LIBTOOL_FALSE='#'
@@ -16694,7 +20343,11 @@ fi
 
 
 
+
+
+
   gl_source_base='autotools/gnulib'
+  gl_source_base_prefix=
 
 
   if test $ac_cv_func_alloca_works = no; then
@@ -16735,27 +20388,232 @@ printf "%s\n" "$gl_cv_rpl_alloca" >&6; }
 
 printf "%s\n" "#define HAVE_ALLOCA 1" >>confdefs.h
 
-      ALLOCA_H=alloca.h
+      GL_GENERATE_ALLOCA_H=true
     else
-                  ALLOCA_H=
+                  GL_GENERATE_ALLOCA_H=false
     fi
   else
-    ALLOCA_H=alloca.h
+    GL_GENERATE_ALLOCA_H=true
+  fi
+
+  if test $ac_cv_working_alloca_h = yes; then
+    HAVE_ALLOCA_H=1
+  else
+    HAVE_ALLOCA_H=0
   fi
 
-   if test -n "$ALLOCA_H"; then
+
+
+
+
+
+  case "$GL_GENERATE_ALLOCA_H" in
+    false) ALLOCA_H='' ;;
+    true)
+                  if test -z "$ALLOCA_H"; then
+        ALLOCA_H="${gl_source_base_prefix}alloca.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_ALLOCA_H is not set correctly" 1>&2; exit 1 ;;
+  esac
+
+
+     if $GL_GENERATE_ALLOCA_H; then
   GL_GENERATE_ALLOCA_H_TRUE=
   GL_GENERATE_ALLOCA_H_FALSE='#'
 else
   GL_GENERATE_ALLOCA_H_TRUE='#'
   GL_GENERATE_ALLOCA_H_FALSE=
 fi
+:
+    if test -z "${GL_GENERATE_ALLOCA_H_TRUE}" && test -z "${GL_GENERATE_ALLOCA_H_FALSE}"; then
+    GL_GENERATE_ALLOCA_H_TRUE='#'
+    GL_GENERATE_ALLOCA_H_FALSE='#'
+  fi
 
 
-  if test $ac_cv_working_alloca_h = yes; then
-    HAVE_ALLOCA_H=1
-  else
-    HAVE_ALLOCA_H=0
+
+
+
+
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_expect" >&5
+printf %s "checking for __builtin_expect... " >&6; }
+if test ${gl_cv___builtin_expect+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+         int
+         main (int argc, char **argv)
+         {
+           argc = __builtin_expect (argc, 100);
+           return argv[argc != 100][0];
+         }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  gl_cv___builtin_expect=yes
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+             #include <builtins.h>
+             int
+             main (int argc, char **argv)
+             {
+               argc = __builtin_expect (argc, 100);
+               return argv[argc != 100][0];
+             }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  gl_cv___builtin_expect="in <builtins.h>"
+else $as_nop
+  gl_cv___builtin_expect=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv___builtin_expect" >&5
+printf "%s\n" "$gl_cv___builtin_expect" >&6; }
+  if test "$gl_cv___builtin_expect" = yes; then
+    printf "%s\n" "#define HAVE___BUILTIN_EXPECT 1" >>confdefs.h
+
+  elif test "$gl_cv___builtin_expect" = "in <builtins.h>"; then
+    printf "%s\n" "#define HAVE___BUILTIN_EXPECT 2" >>confdefs.h
+
+  fi
+
+
+
+
+
+  REPLACE_CALLOC_FOR_CALLOC_GNU="$REPLACE_CALLOC_FOR_CALLOC_POSIX"
+  if test $REPLACE_CALLOC_FOR_CALLOC_GNU = 0; then
+
+     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether calloc (0, n) and calloc (n, 0) return nonnull" >&5
+printf %s "checking whether calloc (0, n) and calloc (n, 0) return nonnull... " >&6; }
+if test ${ac_cv_func_calloc_0_nonnull+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test $cross_compiling != yes; then
+       ac_cv_func_calloc_0_nonnull=yes
+       if test "$cross_compiling" = yes
+then :
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main (void)
+{
+int result = 0;
+              char * volatile p = calloc (0, 0);
+              if (!p)
+                result |= 1;
+              free (p);
+              return result;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+
+else $as_nop
+  ac_cv_func_calloc_0_nonnull=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+     else
+       case "$host_os" in
+                        # Guess yes on glibc systems.
+         *-gnu* | gnu*) ac_cv_func_calloc_0_nonnull="guessing yes" ;;
+                        # Guess yes on musl systems.
+         *-musl*)       ac_cv_func_calloc_0_nonnull="guessing yes" ;;
+                        # Guess yes on native Windows.
+         mingw*)        ac_cv_func_calloc_0_nonnull="guessing yes" ;;
+                        # If we don't know, obey --enable-cross-guesses.
+         *)             ac_cv_func_calloc_0_nonnull="$gl_cross_guess_normal" ;;
+       esac
+     fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_calloc_0_nonnull" >&5
+printf "%s\n" "$ac_cv_func_calloc_0_nonnull" >&6; }
+  case $ac_cv_func_calloc_0_nonnull in #(
+  *yes) :
+     ;; #(
+  *) :
+    REPLACE_CALLOC_FOR_CALLOC_GNU=1 ;;
+esac
+
+  fi
+
+  if test $REPLACE_CALLOC_FOR_CALLOC_GNU = 1; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS calloc.$ac_objext"
+
+  fi
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_CALLOC_GNU=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_CALLOC_GNU 1" >>confdefs.h
+
+
+
+
+
+
+  if test $REPLACE_MALLOC_FOR_MALLOC_POSIX = 1; then
+    REPLACE_CALLOC_FOR_CALLOC_POSIX=1
+  fi
+
+  if test $REPLACE_CALLOC_FOR_CALLOC_POSIX = 1; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS calloc.$ac_objext"
+
   fi
 
 
@@ -16766,8 +20624,15 @@ fi
 
 
 
+          GL_GNULIB_CALLOC_POSIX=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_CALLOC_POSIX 1" >>confdefs.h
+
 
-  gl_LIBOBJS="$gl_LIBOBJS openat-proc.$ac_objext"
 
 
 
@@ -16793,35 +20658,45 @@ fi
     esac
   fi
 
-  if test $HAVE_CANONICALIZE_FILE_NAME = 0 || test $REPLACE_CANONICALIZE_FILE_NAME = 1; then
+
+     if test $HAVE_CANONICALIZE_FILE_NAME = 0 || test $REPLACE_CANONICALIZE_FILE_NAME = 1; then
+  GL_COND_OBJ_CANONICALIZE_LGPL_TRUE=
+  GL_COND_OBJ_CANONICALIZE_LGPL_FALSE='#'
+else
+  GL_COND_OBJ_CANONICALIZE_LGPL_TRUE='#'
+  GL_COND_OBJ_CANONICALIZE_LGPL_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_CANONICALIZE_LGPL_TRUE}" && test -z "${GL_COND_OBJ_CANONICALIZE_LGPL_FALSE}"; then
+    GL_COND_OBJ_CANONICALIZE_LGPL_TRUE='#'
+    GL_COND_OBJ_CANONICALIZE_LGPL_FALSE='#'
+  fi
 
 
 
+printf "%s\n" "#define GNULIB_CANONICALIZE_LGPL 1" >>confdefs.h
 
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS canonicalize-lgpl.$ac_objext"
 
-  fi
 
 
-printf "%s\n" "#define GNULIB_CANONICALIZE_LGPL 1" >>confdefs.h
 
 
 
+          GL_GNULIB_CANONICALIZE_FILE_NAME=1
 
 
 
 
-          GNULIB_CANONICALIZE_FILE_NAME=1
 
+printf "%s\n" "#define GNULIB_TEST_CANONICALIZE_FILE_NAME 1" >>confdefs.h
 
 
 
 
-printf "%s\n" "#define GNULIB_TEST_CANONICALIZE_FILE_NAME 1" >>confdefs.h
 
 
 
@@ -16830,7 +20705,7 @@ printf "%s\n" "#define GNULIB_TEST_CANONICALIZE_FILE_NAME 1" >>confdefs.h
 
 
 
-          GNULIB_REALPATH=1
+          GL_GNULIB_REALPATH=1
 
 
 
@@ -16845,7 +20720,11 @@ printf "%s\n" "#define GNULIB_TEST_REALPATH 1" >>confdefs.h
 
 
 
-          GNULIB_CHDIR=1
+
+
+
+
+          GL_GNULIB_CHDIR=1
 
 
 
@@ -16857,9 +20736,9 @@ printf "%s\n" "#define GNULIB_TEST_CHDIR 1" >>confdefs.h
 
 
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether this system has an arbitrary file name length limit" >&5
-printf %s "checking whether this system has an arbitrary file name length limit... " >&6; }
-if test ${gl_cv_have_arbitrary_file_name_length_limit+y}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether this system supports file names of any length" >&5
+printf %s "checking whether this system supports file names of any length... " >&6; }
+if test ${gl_cv_have_unlimited_file_name_length+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
@@ -16893,29 +20772,35 @@ _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   $EGREP "have_arbitrary_file_name_length_limit" >/dev/null 2>&1
 then :
-  gl_cv_have_arbitrary_file_name_length_limit=yes
+  gl_cv_have_unlimited_file_name_length=no
 else $as_nop
-  gl_cv_have_arbitrary_file_name_length_limit=no
+  gl_cv_have_unlimited_file_name_length=yes
 fi
 rm -rf conftest*
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_have_arbitrary_file_name_length_limit" >&5
-printf "%s\n" "$gl_cv_have_arbitrary_file_name_length_limit" >&6; }
-
-  if test $gl_cv_have_arbitrary_file_name_length_limit = yes; then
-
-
-
-
-
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_have_unlimited_file_name_length" >&5
+printf "%s\n" "$gl_cv_have_unlimited_file_name_length" >&6; }
 
 
+     if test $gl_cv_have_unlimited_file_name_length = no; then
+  GL_COND_OBJ_CHDIR_LONG_TRUE=
+  GL_COND_OBJ_CHDIR_LONG_FALSE='#'
+else
+  GL_COND_OBJ_CHDIR_LONG_TRUE='#'
+  GL_COND_OBJ_CHDIR_LONG_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_CHDIR_LONG_TRUE}" && test -z "${GL_COND_OBJ_CHDIR_LONG_FALSE}"; then
+    GL_COND_OBJ_CHDIR_LONG_TRUE='#'
+    GL_COND_OBJ_CHDIR_LONG_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS chdir-long.$ac_objext"
+  if test -z "$GL_COND_OBJ_CHDIR_LONG_TRUE"; then :
 
     :
-  fi
+
+fi
 
 
 
@@ -16988,7 +20873,13 @@ then :
                     LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime
 fi
 
-    ac_fn_c_check_func "$LINENO" "clock_gettime" "ac_cv_func_clock_gettime"
+    ac_fn_c_check_func "$LINENO" "clock_getres" "ac_cv_func_clock_getres"
+if test "x$ac_cv_func_clock_getres" = xyes
+then :
+  printf "%s\n" "#define HAVE_CLOCK_GETRES 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "clock_gettime" "ac_cv_func_clock_gettime"
 if test "x$ac_cv_func_clock_gettime" = xyes
 then :
   printf "%s\n" "#define HAVE_CLOCK_GETTIME 1" >>confdefs.h
@@ -17058,24 +20949,30 @@ fi
     fi
 
 
-  if test $REPLACE_CLOSE = 1; then
-
-
-
 
+     if test $REPLACE_CLOSE = 1; then
+  GL_COND_OBJ_CLOSE_TRUE=
+  GL_COND_OBJ_CLOSE_FALSE='#'
+else
+  GL_COND_OBJ_CLOSE_TRUE='#'
+  GL_COND_OBJ_CLOSE_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_CLOSE_TRUE}" && test -z "${GL_COND_OBJ_CLOSE_FALSE}"; then
+    GL_COND_OBJ_CLOSE_TRUE='#'
+    GL_COND_OBJ_CLOSE_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS close.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_CLOSE=1
+          GL_GNULIB_CLOSE=1
 
 
 
@@ -17117,120 +21014,40 @@ fi
       REPLACE_CLOSEDIR=1;;
   esac
 
-  if test $HAVE_CLOSEDIR = 0 || test $REPLACE_CLOSEDIR = 1; then
-
-
-
-
-
-
-
-
-  gl_LIBOBJS="$gl_LIBOBJS closedir.$ac_objext"
 
+     if test $HAVE_CLOSEDIR = 0 || test $REPLACE_CLOSEDIR = 1; then
+  GL_COND_OBJ_CLOSEDIR_TRUE=
+  GL_COND_OBJ_CLOSEDIR_FALSE='#'
+else
+  GL_COND_OBJ_CLOSEDIR_TRUE='#'
+  GL_COND_OBJ_CLOSEDIR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_CLOSEDIR_TRUE}" && test -z "${GL_COND_OBJ_CLOSEDIR_FALSE}"; then
+    GL_COND_OBJ_CLOSEDIR_TRUE='#'
+    GL_COND_OBJ_CLOSEDIR_FALSE='#'
   fi
 
 
 
 
 
-          GNULIB_CLOSEDIR=1
-
-
-
-
-
-printf "%s\n" "#define GNULIB_TEST_CLOSEDIR 1" >>confdefs.h
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_dirent_h='<'dirent.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <dirent.h>" >&5
-printf %s "checking absolute name of <dirent.h>... " >&6; }
-if test ${gl_cv_next_dirent_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
 
-             if test $ac_cv_header_dirent_h = yes; then
 
 
 
 
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <dirent.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
+          GL_GNULIB_CLOSEDIR=1
 
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'dirent.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
 
-        gl_cv_absolute_dirent_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_dirent_h
-           gl_cv_next_dirent_h='"'$gl_header'"'
-          else
-               gl_cv_next_dirent_h='<'dirent.h'>'
-             fi
 
 
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_dirent_h" >&5
-printf "%s\n" "$gl_cv_next_dirent_h" >&6; }
-     fi
-     NEXT_DIRENT_H=$gl_cv_next_dirent_h
-
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'dirent.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_dirent_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_DIRENT_H=$gl_next_as_first_directive
+printf "%s\n" "#define GNULIB_TEST_CLOSEDIR 1" >>confdefs.h
 
 
 
 
-  if test $ac_cv_header_dirent_h = yes; then
-    HAVE_DIRENT_H=1
-  else
-    HAVE_DIRENT_H=0
-  fi
 
 
 
@@ -17303,17 +21120,21 @@ printf "%s\n" "#define REPLACE_DIRFD 1" >>confdefs.h
 ;;
   esac
 
-  if test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no \
-     || test $REPLACE_DIRFD = 1; then
-
-
-
-
-
-
 
+     if test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no || test $REPLACE_DIRFD = 1; then
+  GL_COND_OBJ_DIRFD_TRUE=
+  GL_COND_OBJ_DIRFD_FALSE='#'
+else
+  GL_COND_OBJ_DIRFD_TRUE='#'
+  GL_COND_OBJ_DIRFD_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_DIRFD_TRUE}" && test -z "${GL_COND_OBJ_DIRFD_FALSE}"; then
+    GL_COND_OBJ_DIRFD_TRUE='#'
+    GL_COND_OBJ_DIRFD_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS dirfd.$ac_objext"
+  if test -z "$GL_COND_OBJ_DIRFD_TRUE"; then :
 
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to get the file descriptor associated with an open DIR*" >&5
@@ -17364,23 +21185,24 @@ printf "%s\n" "#define DIR_FD_MEMBER_NAME $gl_cv_sys_dir_fd_member_name" >>confd
   fi
 
 
-  fi
+
+fi
 
 
 
 
 
-          GNULIB_DIRFD=1
 
 
 
 
+          GL_GNULIB_DIRFD=1
 
-printf "%s\n" "#define GNULIB_TEST_DIRFD 1" >>confdefs.h
 
 
 
 
+printf "%s\n" "#define GNULIB_TEST_DIRFD 1" >>confdefs.h
 
 
 
@@ -17464,6 +21286,10 @@ else $as_nop
 #include <unistd.h>
                          #include <fcntl.h>
                          #include <errno.h>
+
+
+$gl_mda_defines
+
 int
 main (void)
 {
@@ -17497,25 +21323,35 @@ printf "%s\n" "$gl_cv_func_dup_works" >&6; }
       ;;
   esac
 
-  if test $REPLACE_DUP = 1; then
-
 
+     if test $REPLACE_DUP = 1; then
+  GL_COND_OBJ_DUP_TRUE=
+  GL_COND_OBJ_DUP_FALSE='#'
+else
+  GL_COND_OBJ_DUP_TRUE='#'
+  GL_COND_OBJ_DUP_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_DUP_TRUE}" && test -z "${GL_COND_OBJ_DUP_FALSE}"; then
+    GL_COND_OBJ_DUP_TRUE='#'
+    GL_COND_OBJ_DUP_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_DUP_TRUE"; then :
 
+    :
 
+fi
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS dup.$ac_objext"
 
-    :
-  fi
 
 
 
 
 
-          GNULIB_DUP=1
+          GL_GNULIB_DUP=1
 
 
 
@@ -17528,13 +21364,7 @@ printf "%s\n" "#define GNULIB_TEST_DUP 1" >>confdefs.h
 
 
 
-
-
-printf "%s\n" "#define HAVE_DUP2 1" >>confdefs.h
-
-
-  if test $HAVE_DUP2 = 1; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether dup2 works" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether dup2 works" >&5
 printf %s "checking whether dup2 works... " >&6; }
 if test ${gl_cv_func_dup2_works+y}
 then :
@@ -17543,82 +21373,85 @@ else $as_nop
   if test "$cross_compiling" = yes
 then :
   case "$host_os" in
-           mingw*) # on this platform, dup2 always returns 0 for success
-             gl_cv_func_dup2_works="guessing no" ;;
-           cygwin*) # on cygwin 1.5.x, dup2(1,1) returns 0
-             gl_cv_func_dup2_works="guessing no" ;;
-           aix* | freebsd*)
-                   # on AIX 7.1 and FreeBSD 6.1, dup2 (1,toobig) gives EMFILE,
-                   # not EBADF.
-             gl_cv_func_dup2_works="guessing no" ;;
-           haiku*) # on Haiku alpha 2, dup2(1, 1) resets FD_CLOEXEC.
-             gl_cv_func_dup2_works="guessing no" ;;
-           *-android*) # implemented using dup3(), which fails if oldfd == newfd
-             gl_cv_func_dup2_works="guessing no" ;;
-           os2*) # on OS/2 kLIBC, dup2() does not work on a directory fd.
-             gl_cv_func_dup2_works="guessing no" ;;
-           *) gl_cv_func_dup2_works="guessing yes" ;;
-         esac
+         mingw*) # on this platform, dup2 always returns 0 for success
+           gl_cv_func_dup2_works="guessing no" ;;
+         cygwin*) # on cygwin 1.5.x, dup2(1,1) returns 0
+           gl_cv_func_dup2_works="guessing no" ;;
+         aix* | freebsd*)
+                 # on AIX 7.1 and FreeBSD 6.1, dup2 (1,toobig) gives EMFILE,
+                 # not EBADF.
+           gl_cv_func_dup2_works="guessing no" ;;
+         haiku*) # on Haiku alpha 2, dup2(1, 1) resets FD_CLOEXEC.
+           gl_cv_func_dup2_works="guessing no" ;;
+         *-android*) # implemented using dup3(), which fails if oldfd == newfd
+           gl_cv_func_dup2_works="guessing no" ;;
+         os2*) # on OS/2 kLIBC, dup2() does not work on a directory fd.
+           gl_cv_func_dup2_works="guessing no" ;;
+         *) gl_cv_func_dup2_works="guessing yes" ;;
+       esac
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-         #include <errno.h>
-             #include <fcntl.h>
-             #include <limits.h>
-             #include <sys/resource.h>
-             #include <unistd.h>
-             #ifndef RLIM_SAVED_CUR
-             # define RLIM_SAVED_CUR RLIM_INFINITY
-             #endif
-             #ifndef RLIM_SAVED_MAX
-             # define RLIM_SAVED_MAX RLIM_INFINITY
-             #endif
+       #include <errno.h>
+           #include <fcntl.h>
+           #include <limits.h>
+           #include <sys/resource.h>
+           #include <unistd.h>
+
+
+$gl_mda_defines
+
+           #ifndef RLIM_SAVED_CUR
+           # define RLIM_SAVED_CUR RLIM_INFINITY
+           #endif
+           #ifndef RLIM_SAVED_MAX
+           # define RLIM_SAVED_MAX RLIM_INFINITY
+           #endif
 
 int
 main (void)
 {
 int result = 0;
-             int bad_fd = INT_MAX;
-             struct rlimit rlim;
-             if (getrlimit (RLIMIT_NOFILE, &rlim) == 0
-                 && 0 <= rlim.rlim_cur && rlim.rlim_cur <= INT_MAX
-                 && rlim.rlim_cur != RLIM_INFINITY
-                 && rlim.rlim_cur != RLIM_SAVED_MAX
-                 && rlim.rlim_cur != RLIM_SAVED_CUR)
-               bad_fd = rlim.rlim_cur;
-             #ifdef FD_CLOEXEC
-               if (fcntl (1, F_SETFD, FD_CLOEXEC) == -1)
-                 result |= 1;
-             #endif
-             if (dup2 (1, 1) != 1)
-               result |= 2;
-             #ifdef FD_CLOEXEC
-               if (fcntl (1, F_GETFD) != FD_CLOEXEC)
-                 result |= 4;
-             #endif
-             close (0);
-             if (dup2 (0, 0) != -1)
-               result |= 8;
-             /* Many gnulib modules require POSIX conformance of EBADF.  */
-             if (dup2 (2, bad_fd) == -1 && errno != EBADF)
-               result |= 16;
-             /* Flush out some cygwin core dumps.  */
-             if (dup2 (2, -1) != -1 || errno != EBADF)
-               result |= 32;
-             dup2 (2, 255);
-             dup2 (2, 256);
-             /* On OS/2 kLIBC, dup2() does not work on a directory fd.  */
-             {
-               int fd = open (".", O_RDONLY);
-               if (fd == -1)
-                 result |= 64;
-               else if (dup2 (fd, fd + 1) == -1)
-                 result |= 128;
-
-               close (fd);
-             }
-             return result;
+           int bad_fd = INT_MAX;
+           struct rlimit rlim;
+           if (getrlimit (RLIMIT_NOFILE, &rlim) == 0
+               && 0 <= rlim.rlim_cur && rlim.rlim_cur <= INT_MAX
+               && rlim.rlim_cur != RLIM_INFINITY
+               && rlim.rlim_cur != RLIM_SAVED_MAX
+               && rlim.rlim_cur != RLIM_SAVED_CUR)
+             bad_fd = rlim.rlim_cur;
+           #ifdef FD_CLOEXEC
+             if (fcntl (1, F_SETFD, FD_CLOEXEC) == -1)
+               result |= 1;
+           #endif
+           if (dup2 (1, 1) != 1)
+             result |= 2;
+           #ifdef FD_CLOEXEC
+             if (fcntl (1, F_GETFD) != FD_CLOEXEC)
+               result |= 4;
+           #endif
+           close (0);
+           if (dup2 (0, 0) != -1)
+             result |= 8;
+           /* Many gnulib modules require POSIX conformance of EBADF.  */
+           if (dup2 (2, bad_fd) == -1 && errno != EBADF)
+             result |= 16;
+           /* Flush out some cygwin core dumps.  */
+           if (dup2 (2, -1) != -1 || errno != EBADF)
+             result |= 32;
+           dup2 (2, 255);
+           dup2 (2, 256);
+           /* On OS/2 kLIBC, dup2() does not work on a directory fd.  */
+           {
+             int fd = open (".", O_RDONLY);
+             if (fd == -1)
+               result |= 64;
+             else if (dup2 (fd, fd + 1) == -1)
+               result |= 128;
+             close (fd);
+           }
+           return result;
   ;
   return 0;
 }
@@ -17638,20 +21471,19 @@ fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_dup2_works" >&5
 printf "%s\n" "$gl_cv_func_dup2_works" >&6; }
-    case "$gl_cv_func_dup2_works" in
-      *yes) ;;
-      *)
-        REPLACE_DUP2=1
-        ac_fn_c_check_func "$LINENO" "setdtablesize" "ac_cv_func_setdtablesize"
+  case "$gl_cv_func_dup2_works" in
+    *yes) ;;
+    *)
+      REPLACE_DUP2=1
+      ac_fn_c_check_func "$LINENO" "setdtablesize" "ac_cv_func_setdtablesize"
 if test "x$ac_cv_func_setdtablesize" = xyes
 then :
   printf "%s\n" "#define HAVE_SETDTABLESIZE 1" >>confdefs.h
 
 fi
 
-        ;;
-    esac
-  fi
+      ;;
+  esac
 
 
 
@@ -17661,31 +21493,39 @@ fi
   fi
 
     if test $HAVE_FCHDIR = 0; then
-      if test $HAVE_DUP2 = 1; then
-        REPLACE_DUP2=1
-      fi
+      REPLACE_DUP2=1
     fi
 
 
-  if test $HAVE_DUP2 = 0 || test $REPLACE_DUP2 = 1; then
-
 
+     if test $REPLACE_DUP2 = 1; then
+  GL_COND_OBJ_DUP2_TRUE=
+  GL_COND_OBJ_DUP2_FALSE='#'
+else
+  GL_COND_OBJ_DUP2_TRUE='#'
+  GL_COND_OBJ_DUP2_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_DUP2_TRUE}" && test -z "${GL_COND_OBJ_DUP2_FALSE}"; then
+    GL_COND_OBJ_DUP2_TRUE='#'
+    GL_COND_OBJ_DUP2_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_DUP2_TRUE"; then :
 
 
 
+fi
 
 
-  gl_LIBOBJS="$gl_LIBOBJS dup2.$ac_objext"
 
 
-  fi
 
 
 
 
 
-          GNULIB_DUP2=1
+          GL_GNULIB_DUP2=1
 
 
 
@@ -17697,6 +21537,39 @@ printf "%s\n" "#define GNULIB_TEST_DUP2 1" >>confdefs.h
 
 
 
+
+
+
+  case "$GL_GENERATE_ERRNO_H" in
+    false) ERRNO_H='' ;;
+    true)
+                  if test -z "$ERRNO_H"; then
+        ERRNO_H="${gl_source_base_prefix}errno.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_ERRNO_H is not set correctly" 1>&2; exit 1 ;;
+  esac
+
+
+     if $GL_GENERATE_ERRNO_H; then
+  GL_GENERATE_ERRNO_H_TRUE=
+  GL_GENERATE_ERRNO_H_FALSE='#'
+else
+  GL_GENERATE_ERRNO_H_TRUE='#'
+  GL_GENERATE_ERRNO_H_FALSE=
+fi
+:
+    if test -z "${GL_GENERATE_ERRNO_H_TRUE}" && test -z "${GL_GENERATE_ERRNO_H_FALSE}"; then
+    GL_GENERATE_ERRNO_H_TRUE='#'
+    GL_GENERATE_ERRNO_H_FALSE='#'
+  fi
+
+
+
+
+
+
+
       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for error_at_line" >&5
 printf %s "checking for error_at_line... " >&6; }
 if test ${ac_cv_lib_error_at_line+y}
@@ -17726,22 +21599,30 @@ fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_error_at_line" >&5
 printf "%s\n" "$ac_cv_lib_error_at_line" >&6; }
 
-  if test $ac_cv_lib_error_at_line = no; then
-
-
-
-
 
+     if test "$ac_cv_lib_error_at_line" = no; then
+  GL_COND_OBJ_ERROR_TRUE=
+  GL_COND_OBJ_ERROR_FALSE='#'
+else
+  GL_COND_OBJ_ERROR_TRUE='#'
+  GL_COND_OBJ_ERROR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_ERROR_TRUE}" && test -z "${GL_COND_OBJ_ERROR_FALSE}"; then
+    GL_COND_OBJ_ERROR_TRUE='#'
+    GL_COND_OBJ_ERROR_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_ERROR_TRUE"; then :
 
 
-  gl_LIBOBJS="$gl_LIBOBJS error.$ac_objext"
 
 
 
   :
 
-  fi
+
+fi
 
 
   XGETTEXT_EXTRA_OPTIONS="$XGETTEXT_EXTRA_OPTIONS --flag=error:3:c-format"
@@ -17766,16 +21647,21 @@ fi
     HAVE_EUIDACCESS=0
   fi
 
-  if test $HAVE_EUIDACCESS = 0; then
-
-
-
-
-
-
 
+     if test $HAVE_EUIDACCESS = 0; then
+  GL_COND_OBJ_EUIDACCESS_TRUE=
+  GL_COND_OBJ_EUIDACCESS_FALSE='#'
+else
+  GL_COND_OBJ_EUIDACCESS_TRUE='#'
+  GL_COND_OBJ_EUIDACCESS_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_EUIDACCESS_TRUE}" && test -z "${GL_COND_OBJ_EUIDACCESS_FALSE}"; then
+    GL_COND_OBJ_EUIDACCESS_TRUE='#'
+    GL_COND_OBJ_EUIDACCESS_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS euidaccess.$ac_objext"
+  if test -z "$GL_COND_OBJ_EUIDACCESS_TRUE"; then :
 
 
 
@@ -17786,18 +21672,19 @@ then :
 
 fi
 
-  ac_fn_c_check_func "$LINENO" "getgroups" "ac_cv_func_getgroups"
+
+        ac_fn_c_check_func "$LINENO" "getgroups" "ac_cv_func_getgroups"
 if test "x$ac_cv_func_getgroups" = xyes
 then :
 
 fi
 
 
-# If we don't yet have getgroups, see if it's in -lbsd.
-# This is reported to be necessary on an ITOS 3000WS running SEIUX 3.1.
-ac_save_LIBS=$LIBS
-if test $ac_cv_func_getgroups = no; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getgroups in -lbsd" >&5
+  # If we don't yet have getgroups, see if it's in -lbsd.
+  # This is reported to be necessary on an ITOS 3000WS running SEIUX 3.1.
+  ac_save_LIBS=$LIBS
+  if test $ac_cv_func_getgroups = no; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getgroups in -lbsd" >&5
 printf %s "checking for getgroups in -lbsd... " >&6; }
 if test ${ac_cv_lib_bsd_getgroups+y}
 then :
@@ -17837,12 +21724,12 @@ then :
   GETGROUPS_LIB=-lbsd
 fi
 
-fi
+  fi
 
-# Run the program to test the functionality of the system-supplied
-# getgroups function only if there is such a function.
-if test $ac_cv_func_getgroups = yes; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working getgroups" >&5
+  # Run the program to test the functionality of the system-supplied
+  # getgroups function only if there is such a function.
+  if test $ac_cv_func_getgroups = yes; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working getgroups" >&5
 printf %s "checking for working getgroups... " >&6; }
 if test ${ac_cv_func_getgroups_works+y}
 then :
@@ -17851,11 +21738,14 @@ else $as_nop
   if test "$cross_compiling" = yes
 then :
   case "$host_os" in # ((
-			     # Guess yes on glibc systems.
-		     *-gnu*) ac_cv_func_getgroups_works="guessing yes" ;;
-			     # If we don't know, assume the worst.
-		     *)      ac_cv_func_getgroups_works="guessing no" ;;
-		   esac
+                           # Guess yes on glibc systems.
+            *-gnu* | gnu*) ac_cv_func_getgroups_works="guessing yes" ;;
+                           # Guess yes on musl systems.
+            *-musl*)       ac_cv_func_getgroups_works="guessing yes" ;;
+                           # If we don't know, obey --enable-cross-guesses.
+            *)             ac_cv_func_getgroups_works="$gl_cross_guess_normal" ;;
+          esac
+
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -17863,11 +21753,12 @@ $ac_includes_default
 int
 main (void)
 {
-/* On Ultrix 4.3, getgroups (0, 0) always fails.  */
-       return getgroups (0, 0) == -1;
+/* On NeXTstep 3.2, getgroups (0, 0) always fails.  */
+              return getgroups (0, 0) == -1;
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
@@ -17883,17 +21774,17 @@ fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_getgroups_works" >&5
 printf "%s\n" "$ac_cv_func_getgroups_works" >&6; }
-else
-  ac_cv_func_getgroups_works=no
-fi
-case "$ac_cv_func_getgroups_works" in
-  *yes)
+  else
+    ac_cv_func_getgroups_works=no
+  fi
+  case "$ac_cv_func_getgroups_works" in
+    *yes)
 
 printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
 
-    ;;
-esac
-LIBS=$ac_save_LIBS
+      ;;
+  esac
+  LIBS=$ac_save_LIBS
 
 
   # Solaris 9 and 10 need -lgen to get the eaccess function.
@@ -17972,13 +21863,18 @@ fi
 
   LIBS=$gl_saved_libs
 
-  fi
+
+fi
+
+
 
 
 
 
 
-          GNULIB_EUIDACCESS=1
+
+
+          GL_GNULIB_EUIDACCESS=1
 
 
 
@@ -17999,22 +21895,27 @@ printf "%s\n" "#define GNULIB_TEST_EUIDACCESS 1" >>confdefs.h
   if test $ac_cv_func_faccessat = no; then
     HAVE_FACCESSAT=0
   else
-    case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
+    case $gl_cv_func_lstat_dereferences_slashed_symlink in
       *yes) ;;
       *)    REPLACE_FACCESSAT=1 ;;
     esac
   fi
 
-  if test $HAVE_FACCESSAT = 0 || test $REPLACE_FACCESSAT = 1; then
-
-
-
-
-
-
 
+     if test $HAVE_FACCESSAT = 0 || test $REPLACE_FACCESSAT = 1; then
+  GL_COND_OBJ_FACCESSAT_TRUE=
+  GL_COND_OBJ_FACCESSAT_FALSE='#'
+else
+  GL_COND_OBJ_FACCESSAT_TRUE='#'
+  GL_COND_OBJ_FACCESSAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_FACCESSAT_TRUE}" && test -z "${GL_COND_OBJ_FACCESSAT_FALSE}"; then
+    GL_COND_OBJ_FACCESSAT_TRUE='#'
+    GL_COND_OBJ_FACCESSAT_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS faccessat.$ac_objext"
+  if test -z "$GL_COND_OBJ_FACCESSAT_TRUE"; then :
 
 
   ac_fn_c_check_func "$LINENO" "access" "ac_cv_func_access"
@@ -18025,7 +21926,8 @@ then :
 fi
 
 
-  fi
+
+fi
 
 
 printf "%s\n" "#define GNULIB_FACCESSAT 1" >>confdefs.h
@@ -18036,7 +21938,11 @@ printf "%s\n" "#define GNULIB_FACCESSAT 1" >>confdefs.h
 
 
 
-          GNULIB_FACCESSAT=1
+
+
+
+
+          GL_GNULIB_FACCESSAT=1
 
 
 
@@ -18058,17 +21964,6 @@ printf "%s\n" "#define GNULIB_TEST_FACCESSAT 1" >>confdefs.h
 
   if test $HAVE_FCHDIR = 0; then
 
-
-
-
-
-
-
-
-  gl_LIBOBJS="$gl_LIBOBJS fchdir.$ac_objext"
-
-    :
-
 printf "%s\n" "#define REPLACE_FCHDIR 1" >>confdefs.h
 
                 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether open can visit directories" >&5
@@ -18080,21 +21975,24 @@ else $as_nop
   if test "$cross_compiling" = yes
 then :
   case "$host_os" in
-                            # Guess yes on Linux systems.
-           linux-* | linux) gl_cv_func_open_directory_works="guessing yes" ;;
-                            # Guess yes on glibc systems.
-           *-gnu* | gnu*)   gl_cv_func_open_directory_works="guessing yes" ;;
-                            # Guess no on native Windows.
-           mingw*)          gl_cv_func_open_directory_works="guessing no" ;;
-                            # If we don't know, assume the worst.
-           *)               gl_cv_func_open_directory_works="guessing no" ;;
-         esac
+                             # Guess yes on Linux systems.
+            linux-* | linux) gl_cv_func_open_directory_works="guessing yes" ;;
+                             # Guess yes on glibc systems.
+            *-gnu* | gnu*)   gl_cv_func_open_directory_works="guessing yes" ;;
+                             # Guess no on native Windows.
+            mingw*)          gl_cv_func_open_directory_works="guessing no" ;;
+                             # If we don't know, obey --enable-cross-guesses.
+            *)               gl_cv_func_open_directory_works="$gl_cross_guess_normal" ;;
+          esac
 
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <fcntl.h>
 
+
+$gl_mda_defines
+
 int
 main (void)
 {
@@ -18127,11 +22025,34 @@ printf "%s\n" "#define REPLACE_OPEN_DIRECTORY 1" >>confdefs.h
   fi
 
 
+     if test $HAVE_FCHDIR = 0; then
+  GL_COND_OBJ_FCHDIR_TRUE=
+  GL_COND_OBJ_FCHDIR_FALSE='#'
+else
+  GL_COND_OBJ_FCHDIR_TRUE='#'
+  GL_COND_OBJ_FCHDIR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_FCHDIR_TRUE}" && test -z "${GL_COND_OBJ_FCHDIR_FALSE}"; then
+    GL_COND_OBJ_FCHDIR_TRUE='#'
+    GL_COND_OBJ_FCHDIR_FALSE='#'
+  fi
+
+  if test -z "$GL_COND_OBJ_FCHDIR_TRUE"; then :
+
+    :
+
+fi
+
+
+
+
 
 
 
 
-          GNULIB_FCHDIR=1
+
+          GL_GNULIB_FCHDIR=1
 
 
 
@@ -18178,6 +22099,10 @@ else $as_nop
               #include <limits.h>
               #include <sys/resource.h>
               #include <unistd.h>
+
+
+$gl_mda_defines
+
               #ifndef RLIM_SAVED_CUR
               # define RLIM_SAVED_CUR RLIM_INFINITY
               #endif
@@ -18246,29 +22171,42 @@ printf "%s\n" "#define FCNTL_DUPFD_BUGGY 1" >>confdefs.h
  ;;
     esac
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether fcntl understands F_DUPFD_CLOEXEC" >&5
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether fcntl understands F_DUPFD_CLOEXEC" >&5
 printf %s "checking whether fcntl understands F_DUPFD_CLOEXEC... " >&6; }
 if test ${gl_cv_func_fcntl_f_dupfd_cloexec+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  case "$host_os" in
+                     # Guess no on NetBSD.
+            netbsd*) gl_cv_func_fcntl_f_dupfd_cloexec="guessing no" ;;
+            *)       gl_cv_func_fcntl_f_dupfd_cloexec="$gl_cross_guess_normal" ;;
+          esac
+
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
 #include <fcntl.h>
-#ifndef F_DUPFD_CLOEXEC
-choke me
-#endif
+              #include <unistd.h>
+              int main (int argc, char *argv[])
+              {
+                if (argc == 1)
+                  /* parent process */
+                  {
+                    if (fcntl (1, F_DUPFD_CLOEXEC, 10) < 0)
+                      return 1;
+                    return execl ("./conftest", "./conftest", "child", NULL);
+                  }
+                else
+                  /* child process */
+                  return (fcntl (10, F_GETFL) < 0 ? 0 : 42);
+              }
 
-int
-main (void)
-{
 
-  ;
-  return 0;
-}
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"
+if ac_fn_c_try_run "$LINENO"
 then :
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -18294,15 +22232,21 @@ else $as_nop
   gl_cv_func_fcntl_f_dupfd_cloexec="needs runtime check"
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
 else $as_nop
   gl_cv_func_fcntl_f_dupfd_cloexec=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_fcntl_f_dupfd_cloexec" >&5
 printf "%s\n" "$gl_cv_func_fcntl_f_dupfd_cloexec" >&6; }
-    if test "$gl_cv_func_fcntl_f_dupfd_cloexec" != yes; then
-
+    case "$gl_cv_func_fcntl_f_dupfd_cloexec" in
+      *yes) ;;
+      *)
 
 
   if test $ac_cv_func_fcntl = no; then
@@ -18311,7 +22255,8 @@ printf "%s\n" "$gl_cv_func_fcntl_f_dupfd_cloexec" >&6; }
     REPLACE_FCNTL=1
   fi
 
-          fi
+                        ;;
+    esac
   fi
 
 
@@ -18334,107 +22279,36 @@ printf "%s\n" "$gl_cv_func_fcntl_f_dupfd_cloexec" >&6; }
     fi
 
 
-  if test $HAVE_FCNTL = 0 || test $REPLACE_FCNTL = 1; then
-
-
-
-
-
-
-
-
-  gl_LIBOBJS="$gl_LIBOBJS fcntl.$ac_objext"
 
+     if test $HAVE_FCNTL = 0 || test $REPLACE_FCNTL = 1; then
+  GL_COND_OBJ_FCNTL_TRUE=
+  GL_COND_OBJ_FCNTL_FALSE='#'
+else
+  GL_COND_OBJ_FCNTL_TRUE='#'
+  GL_COND_OBJ_FCNTL_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_FCNTL_TRUE}" && test -z "${GL_COND_OBJ_FCNTL_FALSE}"; then
+    GL_COND_OBJ_FCNTL_TRUE='#'
+    GL_COND_OBJ_FCNTL_FALSE='#'
   fi
 
 
 
 
 
-          GNULIB_FCNTL=1
-
-
-
-
-
-printf "%s\n" "#define GNULIB_TEST_FCNTL 1" >>confdefs.h
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_fcntl_h='<'fcntl.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <fcntl.h>" >&5
-printf %s "checking absolute name of <fcntl.h>... " >&6; }
-if test ${gl_cv_next_fcntl_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-
 
 
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <fcntl.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
-
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'fcntl.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
 
-        gl_cv_absolute_fcntl_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_fcntl_h
-           gl_cv_next_fcntl_h='"'$gl_header'"'
 
+          GL_GNULIB_FCNTL=1
 
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_fcntl_h" >&5
-printf "%s\n" "$gl_cv_next_fcntl_h" >&6; }
-     fi
-     NEXT_FCNTL_H=$gl_cv_next_fcntl_h
 
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'fcntl.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_fcntl_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_FCNTL_H=$gl_next_as_first_directive
 
 
 
+printf "%s\n" "#define GNULIB_TEST_FCNTL 1" >>confdefs.h
 
 
 
@@ -18486,10 +22360,12 @@ else $as_nop
   if test "$cross_compiling" = yes
 then :
   case "$host_os" in
-                    # Guess yes on glibc systems.
-            *-gnu*) gl_cv_func_fdopendir_works="guessing yes" ;;
-                    # If we don't know, assume the worst.
-            *)      gl_cv_func_fdopendir_works="guessing no" ;;
+                     # Guess yes on glibc systems.
+            *-gnu*)  gl_cv_func_fdopendir_works="guessing yes" ;;
+                     # Guess yes on musl systems.
+            *-musl*) gl_cv_func_fdopendir_works="guessing yes" ;;
+                     # If we don't know, obey --enable-cross-guesses.
+            *)       gl_cv_func_fdopendir_works="$gl_cross_guess_normal" ;;
           esac
 
 else $as_nop
@@ -18499,6 +22375,10 @@ else $as_nop
 #include <dirent.h>
 #include <fcntl.h>
 #include <unistd.h>
+
+
+$gl_mda_defines
+
 #if !HAVE_DECL_FDOPENDIR
 extern
 # ifdef __cplusplus
@@ -18511,11 +22391,12 @@ int
 main (void)
 {
 int result = 0;
-     int fd = open ("conftest.c", O_RDONLY);
-     if (fd < 0) result |= 1;
-     if (fdopendir (fd)) result |= 2;
-     if (close (fd)) result |= 4;
-     return result;
+              int fd = open ("conftest.c", O_RDONLY);
+              if (fd < 0) result |= 1;
+              if (fdopendir (fd)) result |= 2;
+              if (close (fd)) result |= 4;
+              return result;
+
   ;
   return 0;
 }
@@ -18541,24 +22422,30 @@ printf "%s\n" "$gl_cv_func_fdopendir_works" >&6; }
     esac
   fi
 
-  if test $HAVE_FDOPENDIR = 0 || test $REPLACE_FDOPENDIR = 1; then
-
-
-
 
+     if test $HAVE_FDOPENDIR = 0 || test $REPLACE_FDOPENDIR = 1; then
+  GL_COND_OBJ_FDOPENDIR_TRUE=
+  GL_COND_OBJ_FDOPENDIR_FALSE='#'
+else
+  GL_COND_OBJ_FDOPENDIR_TRUE='#'
+  GL_COND_OBJ_FDOPENDIR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_FDOPENDIR_TRUE}" && test -z "${GL_COND_OBJ_FDOPENDIR_FALSE}"; then
+    GL_COND_OBJ_FDOPENDIR_TRUE='#'
+    GL_COND_OBJ_FDOPENDIR_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS fdopendir.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_FDOPENDIR=1
+          GL_GNULIB_FDOPENDIR=1
 
 
 
@@ -18579,16 +22466,16 @@ printf "%s\n" "#define GNULIB_FDOPENDIR 1" >>confdefs.h
 
 
 
-  FLOAT_H=
+  GL_GENERATE_FLOAT_H=false
   REPLACE_FLOAT_LDBL=0
   case "$host_os" in
     aix* | beos* | openbsd* | mirbsd* | irix*)
-      FLOAT_H=float.h
+      GL_GENERATE_FLOAT_H=true
       ;;
     freebsd* | dragonfly*)
       case "$host_cpu" in
         i[34567]86 )
-          FLOAT_H=float.h
+          GL_GENERATE_FLOAT_H=true
           ;;
         x86_64 )
           # On x86_64 systems, the C compiler may still be generating
@@ -18606,7 +22493,7 @@ if ac_fn_c_try_compile "$LINENO"
 then :
 
 else $as_nop
-  FLOAT_H=float.h
+  GL_GENERATE_FLOAT_H=true
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
           ;;
@@ -18615,14 +22502,14 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     linux*)
       case "$host_cpu" in
         powerpc*)
-          FLOAT_H=float.h
+          GL_GENERATE_FLOAT_H=true
           ;;
       esac
       ;;
   esac
   case "$host_os" in
     aix* | freebsd* | dragonfly* | linux*)
-      if test -n "$FLOAT_H"; then
+      if $GL_GENERATE_FLOAT_H; then
         REPLACE_FLOAT_LDBL=1
       fi
       ;;
@@ -18693,11 +22580,11 @@ printf "%s\n" "$gl_cv_func_itold_works" >&6; }
   case "$gl_cv_func_itold_works" in
     *no)
       REPLACE_ITOLD=1
-                  FLOAT_H=float.h
+                  GL_GENERATE_FLOAT_H=true
       ;;
   esac
 
-  if test -n "$FLOAT_H"; then
+  if $GL_GENERATE_FLOAT_H; then
 
 
 
@@ -18748,8 +22635,8 @@ _ACEOF
         gl_cv_absolute_float_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
   sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_float_h
-           gl_cv_next_float_h='"'$gl_header'"'
+          gl_header=$gl_cv_absolute_float_h
+          gl_cv_next_float_h='"'$gl_header'"'
 
 
 fi
@@ -18772,41 +22659,155 @@ printf "%s\n" "$gl_cv_next_float_h" >&6; }
 
   fi
 
-   if test -n "$FLOAT_H"; then
+
+
+
+
+
+  case "$GL_GENERATE_FLOAT_H" in
+    false) FLOAT_H='' ;;
+    true)
+                  if test -z "$FLOAT_H"; then
+        FLOAT_H="${gl_source_base_prefix}float.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_FLOAT_H is not set correctly" 1>&2; exit 1 ;;
+  esac
+
+
+     if $GL_GENERATE_FLOAT_H; then
   GL_GENERATE_FLOAT_H_TRUE=
   GL_GENERATE_FLOAT_H_FALSE='#'
 else
   GL_GENERATE_FLOAT_H_TRUE='#'
   GL_GENERATE_FLOAT_H_FALSE=
 fi
+:
+    if test -z "${GL_GENERATE_FLOAT_H_TRUE}" && test -z "${GL_GENERATE_FLOAT_H_FALSE}"; then
+    GL_GENERATE_FLOAT_H_TRUE='#'
+    GL_GENERATE_FLOAT_H_FALSE='#'
+  fi
 
 
 
-  if test $REPLACE_FLOAT_LDBL = 1; then
 
 
 
 
+     if test $REPLACE_FLOAT_LDBL = 1; then
+  GL_COND_OBJ_FLOAT_TRUE=
+  GL_COND_OBJ_FLOAT_FALSE='#'
+else
+  GL_COND_OBJ_FLOAT_TRUE='#'
+  GL_COND_OBJ_FLOAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_FLOAT_TRUE}" && test -z "${GL_COND_OBJ_FLOAT_FALSE}"; then
+    GL_COND_OBJ_FLOAT_TRUE='#'
+    GL_COND_OBJ_FLOAT_FALSE='#'
+  fi
 
 
+     if test $REPLACE_ITOLD = 1; then
+  GL_COND_OBJ_ITOLD_TRUE=
+  GL_COND_OBJ_ITOLD_FALSE='#'
+else
+  GL_COND_OBJ_ITOLD_TRUE='#'
+  GL_COND_OBJ_ITOLD_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_ITOLD_TRUE}" && test -z "${GL_COND_OBJ_ITOLD_FALSE}"; then
+    GL_COND_OBJ_ITOLD_TRUE='#'
+    GL_COND_OBJ_ITOLD_FALSE='#'
+  fi
 
 
-  gl_LIBOBJS="$gl_LIBOBJS float.$ac_objext"
 
-  fi
-  if test $REPLACE_ITOLD = 1; then
 
+                          { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether free is known to preserve errno" >&5
+printf %s "checking whether free is known to preserve errno... " >&6; }
+if test ${gl_cv_func_free_preserves_errno+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
 
+int
+main (void)
+{
+#if 2 < __GLIBC__ + (33 <= __GLIBC_MINOR__)
+            #elif defined __OpenBSD__
+            #elif defined __sun
+            #else
+              #error "'free' is not known to preserve errno"
+            #endif
 
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_func_free_preserves_errno=yes
+else $as_nop
+  gl_cv_func_free_preserves_errno=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_free_preserves_errno" >&5
+printf "%s\n" "$gl_cv_func_free_preserves_errno" >&6; }
 
+  case $gl_cv_func_free_preserves_errno in
+   *yes)
 
+printf "%s\n" "#define HAVE_FREE_POSIX 1" >>confdefs.h
 
+    ;;
+   *) REPLACE_FREE=1 ;;
+  esac
 
-  gl_LIBOBJS="$gl_LIBOBJS itold.$ac_objext"
 
+     if test $REPLACE_FREE = 1; then
+  GL_COND_OBJ_FREE_TRUE=
+  GL_COND_OBJ_FREE_FALSE='#'
+else
+  GL_COND_OBJ_FREE_TRUE='#'
+  GL_COND_OBJ_FREE_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_FREE_TRUE}" && test -z "${GL_COND_OBJ_FREE_FALSE}"; then
+    GL_COND_OBJ_FREE_TRUE='#'
+    GL_COND_OBJ_FREE_FALSE='#'
   fi
 
+  if test -z "$GL_COND_OBJ_FREE_TRUE"; then :
+
+    :
+
+fi
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_FREE_POSIX=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_FREE_POSIX 1" >>confdefs.h
+
+
+
+
 
 
   if test $gl_cv_func_frexp_no_libm = yes; then
@@ -18960,7 +22961,11 @@ printf "%s\n" "#define HAVE_FREXP_IN_LIBC 1" >>confdefs.h
 
 
 
-          GNULIB_FREXP=1
+
+
+
+
+          GL_GNULIB_FREXP=1
 
 
 
@@ -19064,6 +23069,7 @@ extern
 "C"
 #endif
 long double frexpl (long double, int *);
+long double zero = 0.0L;
 int main()
 {
   int result = 0;
@@ -19121,7 +23127,8 @@ int main()
       }
   }
   /* Test on infinite numbers.  */
-  x = 1.0L / 0.0L;
+  /* The Microsoft MSVC 14 compiler chokes on the expression 1.0 / 0.0.  */
+  x = 1.0L / zero;
   {
     int exp;
     long double y = frexpl (x, &exp);
@@ -19178,7 +23185,11 @@ printf "%s\n" "#define HAVE_FREXPL_IN_LIBC 1" >>confdefs.h
 
 
 
-          GNULIB_FREXPL=1
+
+
+
+
+          GL_GNULIB_FREXPL=1
 
 
 
@@ -19216,16 +23227,21 @@ printf "%s\n" "#define GNULIB_TEST_FREXPL 1" >>confdefs.h
     fi
 
 
-  if test $REPLACE_FSTAT = 1; then
-
-
-
-
-
-
 
+     if test $REPLACE_FSTAT = 1; then
+  GL_COND_OBJ_FSTAT_TRUE=
+  GL_COND_OBJ_FSTAT_FALSE='#'
+else
+  GL_COND_OBJ_FSTAT_TRUE='#'
+  GL_COND_OBJ_FSTAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_FSTAT_TRUE}" && test -z "${GL_COND_OBJ_FSTAT_FALSE}"; then
+    GL_COND_OBJ_FSTAT_TRUE='#'
+    GL_COND_OBJ_FSTAT_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS fstat.$ac_objext"
+  if test -z "$GL_COND_OBJ_FSTAT_TRUE"; then :
 
     case "$host_os" in
       mingw*)
@@ -19243,15 +23259,21 @@ printf "%s\n" "#define GNULIB_TEST_FREXPL 1" >>confdefs.h
     esac
 
 
+
   :
 
-  fi
+
+fi
+
+
 
 
 
 
 
-          GNULIB_FSTAT=1
+
+
+          GL_GNULIB_FSTAT=1
 
 
 
@@ -19332,24 +23354,30 @@ printf "%s\n" "#define HAVE_WORKING_FSTATAT_ZERO_FLAG 1" >>confdefs.h
     esac
   fi
 
-  if test $HAVE_FSTATAT = 0 || test $REPLACE_FSTATAT = 1; then
-
-
-
 
+     if test $HAVE_FSTATAT = 0 || test $REPLACE_FSTATAT = 1; then
+  GL_COND_OBJ_FSTATAT_TRUE=
+  GL_COND_OBJ_FSTATAT_FALSE='#'
+else
+  GL_COND_OBJ_FSTATAT_TRUE='#'
+  GL_COND_OBJ_FSTATAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_FSTATAT_TRUE}" && test -z "${GL_COND_OBJ_FSTATAT_FALSE}"; then
+    GL_COND_OBJ_FSTATAT_TRUE='#'
+    GL_COND_OBJ_FSTATAT_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS fstatat.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_FSTATAT=1
+          GL_GNULIB_FSTATAT=1
 
 
 
@@ -19374,7 +23402,15 @@ then :
 else $as_nop
   if test "$cross_compiling" = yes
 then :
-  gl_cv_func_futimens_works="guessing yes"
+  case "$host_os" in
+                           # Guess no on glibc systems.
+            *-gnu* | gnu*) gl_cv_func_futimens_works="guessing no" ;;
+                           # Guess no on musl systems.
+            *-musl*)       gl_cv_func_futimens_works="guessing no" ;;
+                           # Guess yes otherwise.
+            *)             gl_cv_func_futimens_works="guessing yes" ;;
+          esac
+
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -19384,6 +23420,9 @@ else $as_nop
 #include <unistd.h>
 #include <errno.h>
 
+
+$gl_mda_defines
+
 int
 main (void)
 {
@@ -19424,29 +23463,38 @@ fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_futimens_works" >&5
 printf "%s\n" "$gl_cv_func_futimens_works" >&6; }
-    if test "$gl_cv_func_futimens_works" = no; then
-      REPLACE_FUTIMENS=1
-    fi
+    case "$gl_cv_func_futimens_works" in
+      *yes) ;;
+      *)
+        REPLACE_FUTIMENS=1
+        ;;
+    esac
   fi
 
-  if test $HAVE_FUTIMENS = 0 || test $REPLACE_FUTIMENS = 1; then
-
-
-
 
+     if test $HAVE_FUTIMENS = 0 || test $REPLACE_FUTIMENS = 1; then
+  GL_COND_OBJ_FUTIMENS_TRUE=
+  GL_COND_OBJ_FUTIMENS_FALSE='#'
+else
+  GL_COND_OBJ_FUTIMENS_TRUE='#'
+  GL_COND_OBJ_FUTIMENS_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_FUTIMENS_TRUE}" && test -z "${GL_COND_OBJ_FUTIMENS_FALSE}"; then
+    GL_COND_OBJ_FUTIMENS_TRUE='#'
+    GL_COND_OBJ_FUTIMENS_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS futimens.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_FUTIMENS=1
+          GL_GNULIB_FUTIMENS=1
 
 
 
@@ -19468,24 +23516,30 @@ printf "%s\n" "#define GNULIB_TEST_FUTIMENS 1" >>confdefs.h
     ;;
   esac
 
-  if test $REPLACE_GETCWD = 1; then
-
-
-
 
+     if test $REPLACE_GETCWD = 1; then
+  GL_COND_OBJ_GETCWD_LGPL_TRUE=
+  GL_COND_OBJ_GETCWD_LGPL_FALSE='#'
+else
+  GL_COND_OBJ_GETCWD_LGPL_TRUE='#'
+  GL_COND_OBJ_GETCWD_LGPL_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_GETCWD_LGPL_TRUE}" && test -z "${GL_COND_OBJ_GETCWD_LGPL_FALSE}"; then
+    GL_COND_OBJ_GETCWD_LGPL_TRUE='#'
+    GL_COND_OBJ_GETCWD_LGPL_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS getcwd-lgpl.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_GETCWD=1
+          GL_GNULIB_GETCWD=1
 
 
 
@@ -19512,9 +23566,9 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
   echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data
-    if test "$cross_compiling" = yes
+       if test "$cross_compiling" = yes
 then :
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+                      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <features.h>
@@ -19530,7 +23584,11 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 then :
   gl_cv_func_working_getdelim="guessing yes"
 else $as_nop
-  gl_cv_func_working_getdelim="guessing no"
+  case "$host_os" in
+               *-musl*) gl_cv_func_working_getdelim="guessing yes" ;;
+               *)       gl_cv_func_working_getdelim="$gl_cross_guess_normal" ;;
+             esac
+
 fi
 rm -rf conftest*
 
@@ -19555,6 +23613,7 @@ else $as_nop
         int len = getdelim (&line, &siz, '\n', in);
         if (!(len == 4 && line && strcmp (line, "foo\n") == 0))
           { free (line); fclose (in); return 2; }
+        free (line);
       }
       {
         /* Test result for a NULL buffer and a non-zero size.
@@ -19580,13 +23639,13 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_working_getdelim" >&5
 printf "%s\n" "$gl_cv_func_working_getdelim" >&6; }
     case "$gl_cv_func_working_getdelim" in
-      *no)
-        REPLACE_GETDELIM=1
-        ;;
+      *yes) ;;
+      *) REPLACE_GETDELIM=1 ;;
     esac
   else
     HAVE_GETDELIM=0
@@ -19596,16 +23655,21 @@ printf "%s\n" "$gl_cv_func_working_getdelim" >&6; }
     HAVE_DECL_GETDELIM=0
   fi
 
-  if test $HAVE_GETDELIM = 0 || test $REPLACE_GETDELIM = 1; then
-
-
-
-
-
-
 
+     if test $HAVE_GETDELIM = 0 || test $REPLACE_GETDELIM = 1; then
+  GL_COND_OBJ_GETDELIM_TRUE=
+  GL_COND_OBJ_GETDELIM_FALSE='#'
+else
+  GL_COND_OBJ_GETDELIM_TRUE='#'
+  GL_COND_OBJ_GETDELIM_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_GETDELIM_TRUE}" && test -z "${GL_COND_OBJ_GETDELIM_FALSE}"; then
+    GL_COND_OBJ_GETDELIM_TRUE='#'
+    GL_COND_OBJ_GETDELIM_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS getdelim.$ac_objext"
+  if test -z "$GL_COND_OBJ_GETDELIM_TRUE"; then :
 
 
   ac_fn_c_check_func "$LINENO" "flockfile" "ac_cv_func_flockfile"
@@ -19631,13 +23695,18 @@ fi
 printf "%s\n" "#define HAVE_DECL_GETC_UNLOCKED $ac_have_decl" >>confdefs.h
 
 
-  fi
+
+fi
+
+
+
 
 
 
 
 
-          GNULIB_GETDELIM=1
+
+          GL_GNULIB_GETDELIM=1
 
 
 
@@ -19676,14 +23745,19 @@ else $as_nop
 /* end confdefs.h.  */
 
              #include <unistd.h>
+
+
+$gl_mda_defines
+
+
 int
 main (void)
 {
 int size = getdtablesize();
-                if (dup2 (0, getdtablesize()) != -1)
-                  return 1;
-                if (size != getdtablesize())
-                  return 2;
+                 if (dup2 (0, getdtablesize()) != -1)
+                   return 1;
+                 if (size != getdtablesize())
+                   return 2;
 
   ;
   return 0;
@@ -19713,25 +23787,35 @@ printf "%s\n" "$gl_cv_func_getdtablesize_works" >&6; }
     HAVE_GETDTABLESIZE=0
   fi
 
-  if test $HAVE_GETDTABLESIZE = 0 || test $REPLACE_GETDTABLESIZE = 1; then
-
 
+     if test $HAVE_GETDTABLESIZE = 0 || test $REPLACE_GETDTABLESIZE = 1; then
+  GL_COND_OBJ_GETDTABLESIZE_TRUE=
+  GL_COND_OBJ_GETDTABLESIZE_FALSE='#'
+else
+  GL_COND_OBJ_GETDTABLESIZE_TRUE='#'
+  GL_COND_OBJ_GETDTABLESIZE_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_GETDTABLESIZE_TRUE}" && test -z "${GL_COND_OBJ_GETDTABLESIZE_FALSE}"; then
+    GL_COND_OBJ_GETDTABLESIZE_TRUE='#'
+    GL_COND_OBJ_GETDTABLESIZE_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_GETDTABLESIZE_TRUE"; then :
 
+    :
 
+fi
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS getdtablesize.$ac_objext"
 
-    :
-  fi
 
 
 
 
 
-          GNULIB_GETDTABLESIZE=1
+          GL_GNULIB_GETDTABLESIZE=1
 
 
 
@@ -19745,18 +23829,19 @@ printf "%s\n" "#define GNULIB_TEST_GETDTABLESIZE 1" >>confdefs.h
 
 
 
-  ac_fn_c_check_func "$LINENO" "getgroups" "ac_cv_func_getgroups"
+
+        ac_fn_c_check_func "$LINENO" "getgroups" "ac_cv_func_getgroups"
 if test "x$ac_cv_func_getgroups" = xyes
 then :
 
 fi
 
 
-# If we don't yet have getgroups, see if it's in -lbsd.
-# This is reported to be necessary on an ITOS 3000WS running SEIUX 3.1.
-ac_save_LIBS=$LIBS
-if test $ac_cv_func_getgroups = no; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getgroups in -lbsd" >&5
+  # If we don't yet have getgroups, see if it's in -lbsd.
+  # This is reported to be necessary on an ITOS 3000WS running SEIUX 3.1.
+  ac_save_LIBS=$LIBS
+  if test $ac_cv_func_getgroups = no; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getgroups in -lbsd" >&5
 printf %s "checking for getgroups in -lbsd... " >&6; }
 if test ${ac_cv_lib_bsd_getgroups+y}
 then :
@@ -19796,12 +23881,12 @@ then :
   GETGROUPS_LIB=-lbsd
 fi
 
-fi
+  fi
 
-# Run the program to test the functionality of the system-supplied
-# getgroups function only if there is such a function.
-if test $ac_cv_func_getgroups = yes; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working getgroups" >&5
+  # Run the program to test the functionality of the system-supplied
+  # getgroups function only if there is such a function.
+  if test $ac_cv_func_getgroups = yes; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working getgroups" >&5
 printf %s "checking for working getgroups... " >&6; }
 if test ${ac_cv_func_getgroups_works+y}
 then :
@@ -19810,11 +23895,14 @@ else $as_nop
   if test "$cross_compiling" = yes
 then :
   case "$host_os" in # ((
-			     # Guess yes on glibc systems.
-		     *-gnu*) ac_cv_func_getgroups_works="guessing yes" ;;
-			     # If we don't know, assume the worst.
-		     *)      ac_cv_func_getgroups_works="guessing no" ;;
-		   esac
+                           # Guess yes on glibc systems.
+            *-gnu* | gnu*) ac_cv_func_getgroups_works="guessing yes" ;;
+                           # Guess yes on musl systems.
+            *-musl*)       ac_cv_func_getgroups_works="guessing yes" ;;
+                           # If we don't know, obey --enable-cross-guesses.
+            *)             ac_cv_func_getgroups_works="$gl_cross_guess_normal" ;;
+          esac
+
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -19822,11 +23910,12 @@ $ac_includes_default
 int
 main (void)
 {
-/* On Ultrix 4.3, getgroups (0, 0) always fails.  */
-       return getgroups (0, 0) == -1;
+/* On NeXTstep 3.2, getgroups (0, 0) always fails.  */
+              return getgroups (0, 0) == -1;
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
@@ -19842,17 +23931,17 @@ fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_getgroups_works" >&5
 printf "%s\n" "$ac_cv_func_getgroups_works" >&6; }
-else
-  ac_cv_func_getgroups_works=no
-fi
-case "$ac_cv_func_getgroups_works" in
-  *yes)
+  else
+    ac_cv_func_getgroups_works=no
+  fi
+  case "$ac_cv_func_getgroups_works" in
+    *yes)
 
 printf "%s\n" "#define HAVE_GETGROUPS 1" >>confdefs.h
 
-    ;;
-esac
-LIBS=$ac_save_LIBS
+      ;;
+  esac
+  LIBS=$ac_save_LIBS
 
   if test $ac_cv_func_getgroups != yes; then
     HAVE_GETGROUPS=0
@@ -19868,7 +23957,7 @@ LIBS=$ac_save_LIBS
 printf "%s\n" "#define GETGROUPS_ZERO_BUG 1" >>confdefs.h
 
     else
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether getgroups handles negative values" >&5
+                  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether getgroups handles negative values" >&5
 printf %s "checking whether getgroups handles negative values... " >&6; }
 if test ${gl_cv_func_getgroups_works+y}
 then :
@@ -19879,8 +23968,10 @@ then :
   case "$host_os" in
                             # Guess yes on glibc systems.
              *-gnu* | gnu*) gl_cv_func_getgroups_works="guessing yes" ;;
-                            # If we don't know, assume the worst.
-             *)             gl_cv_func_getgroups_works="guessing no" ;;
+                            # Guess yes on musl systems.
+             *-musl*)       gl_cv_func_getgroups_works="guessing yes" ;;
+                            # If we don't know, obey --enable-cross-guesses.
+             *)             gl_cv_func_getgroups_works="$gl_cross_guess_normal" ;;
            esac
 
 else $as_nop
@@ -19920,24 +24011,30 @@ printf "%s\n" "$gl_cv_func_getgroups_works" >&6; }
   fi
   test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS"
 
-  if test $HAVE_GETGROUPS = 0 || test $REPLACE_GETGROUPS = 1; then
-
-
-
 
+     if test $HAVE_GETGROUPS = 0 || test $REPLACE_GETGROUPS = 1; then
+  GL_COND_OBJ_GETGROUPS_TRUE=
+  GL_COND_OBJ_GETGROUPS_FALSE='#'
+else
+  GL_COND_OBJ_GETGROUPS_TRUE='#'
+  GL_COND_OBJ_GETGROUPS_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_GETGROUPS_TRUE}" && test -z "${GL_COND_OBJ_GETGROUPS_FALSE}"; then
+    GL_COND_OBJ_GETGROUPS_TRUE='#'
+    GL_COND_OBJ_GETGROUPS_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS getgroups.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_GETGROUPS=1
+          GL_GNULIB_GETGROUPS=1
 
 
 
@@ -19971,9 +24068,9 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
   echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data
-    if test "$cross_compiling" = yes
+       if test "$cross_compiling" = yes
 then :
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+                      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #include <features.h>
@@ -19989,7 +24086,11 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 then :
   am_cv_func_working_getline="guessing yes"
 else $as_nop
-  am_cv_func_working_getline="guessing no"
+  case "$host_os" in
+               *-musl*) am_cv_func_working_getline="guessing yes" ;;
+               *)       am_cv_func_working_getline="$gl_cross_guess_normal" ;;
+             esac
+
 fi
 rm -rf conftest*
 
@@ -20040,6 +24141,7 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_func_working_getline" >&5
 printf "%s\n" "$am_cv_func_working_getline" >&6; }
@@ -20050,32 +24152,43 @@ printf "%s\n" "$am_cv_func_working_getline" >&6; }
   fi
 
   case "$am_cv_func_working_getline" in
-    *no)
+    *yes) ;;
+    *)
                         REPLACE_GETLINE=1
       ;;
   esac
 
-  if test $REPLACE_GETLINE = 1; then
-
 
+     if test $REPLACE_GETLINE = 1; then
+  GL_COND_OBJ_GETLINE_TRUE=
+  GL_COND_OBJ_GETLINE_FALSE='#'
+else
+  GL_COND_OBJ_GETLINE_TRUE='#'
+  GL_COND_OBJ_GETLINE_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_GETLINE_TRUE}" && test -z "${GL_COND_OBJ_GETLINE_FALSE}"; then
+    GL_COND_OBJ_GETLINE_TRUE='#'
+    GL_COND_OBJ_GETLINE_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_GETLINE_TRUE"; then :
 
 
+  :
 
 
+fi
 
-  gl_LIBOBJS="$gl_LIBOBJS getline.$ac_objext"
 
 
-  :
 
-  fi
 
 
 
 
 
-          GNULIB_GETLINE=1
+          GL_GNULIB_GETLINE=1
 
 
 
@@ -20095,6 +24208,8 @@ printf "%s\n" "#define GNULIB_TEST_GETLINE 1" >>confdefs.h
       REPLACE_GETOPT=1
     fi
 
+  GL_GENERATE_GETOPT_H=false
+  GL_GENERATE_GETOPT_CDEFS_H=false
   if test $REPLACE_GETOPT = 1; then
 
 
@@ -20108,37 +24223,122 @@ printf "%s\n" "#define GNULIB_TEST_GETLINE 1" >>confdefs.h
 
 printf "%s\n" "#define __GETOPT_PREFIX rpl_" >>confdefs.h
 
-  GETOPT_H=getopt.h
-  GETOPT_CDEFS_H=getopt-cdefs.h
+  GL_GENERATE_GETOPT_H=true
+  GL_GENERATE_GETOPT_CDEFS_H=true
 
+  fi
 
 
-  fi
 
-  if test $REPLACE_GETOPT = 1; then
 
 
+  case "$GL_GENERATE_GETOPT_H" in
+    false) GETOPT_H='' ;;
+    true)
+                  if test -z "$GETOPT_H"; then
+        GETOPT_H="${gl_source_base_prefix}getopt.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_GETOPT_H is not set correctly" 1>&2; exit 1 ;;
+  esac
+
+
+     if $GL_GENERATE_GETOPT_H; then
+  GL_GENERATE_GETOPT_H_TRUE=
+  GL_GENERATE_GETOPT_H_FALSE='#'
+else
+  GL_GENERATE_GETOPT_H_TRUE='#'
+  GL_GENERATE_GETOPT_H_FALSE=
+fi
+:
+    if test -z "${GL_GENERATE_GETOPT_H_TRUE}" && test -z "${GL_GENERATE_GETOPT_H_FALSE}"; then
+    GL_GENERATE_GETOPT_H_TRUE='#'
+    GL_GENERATE_GETOPT_H_FALSE='#'
+  fi
 
 
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS getopt.$ac_objext"
 
 
 
+  case "$GL_GENERATE_GETOPT_CDEFS_H" in
+    false) GETOPT_CDEFS_H='' ;;
+    true)
+                  if test -z "$GETOPT_CDEFS_H"; then
+        GETOPT_CDEFS_H="${gl_source_base_prefix}getopt-cdefs.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_GETOPT_CDEFS_H is not set correctly" 1>&2; exit 1 ;;
+  esac
+
+
+     if $GL_GENERATE_GETOPT_CDEFS_H; then
+  GL_GENERATE_GETOPT_CDEFS_H_TRUE=
+  GL_GENERATE_GETOPT_CDEFS_H_FALSE='#'
+else
+  GL_GENERATE_GETOPT_CDEFS_H_TRUE='#'
+  GL_GENERATE_GETOPT_CDEFS_H_FALSE=
+fi
+:
+    if test -z "${GL_GENERATE_GETOPT_CDEFS_H_TRUE}" && test -z "${GL_GENERATE_GETOPT_CDEFS_H_FALSE}"; then
+    GL_GENERATE_GETOPT_CDEFS_H_TRUE='#'
+    GL_GENERATE_GETOPT_CDEFS_H_FALSE='#'
+  fi
 
 
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS getopt1.$ac_objext"
 
-        GNULIB_GL_UNISTD_H_GETOPT=1
+     if test $REPLACE_GETOPT = 1; then
+  GL_COND_OBJ_GETOPT_TRUE=
+  GL_COND_OBJ_GETOPT_FALSE='#'
+else
+  GL_COND_OBJ_GETOPT_TRUE='#'
+  GL_COND_OBJ_GETOPT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_GETOPT_TRUE}" && test -z "${GL_COND_OBJ_GETOPT_FALSE}"; then
+    GL_COND_OBJ_GETOPT_TRUE='#'
+    GL_COND_OBJ_GETOPT_FALSE='#'
   fi
 
+  if test -z "$GL_COND_OBJ_GETOPT_TRUE"; then :
+
+
+
+
+
+
+
+  GL_GNULIB_UNISTD_H_GETOPT=1
+
+
+
+fi
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_GETOPT_POSIX=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_GETOPT_POSIX 1" >>confdefs.h
+
+
+
 
 
 
@@ -20247,83 +24447,6 @@ printf "%s\n" "#define HAVE_VAR___PROGNAME 1" >>confdefs.h
   if test $ac_cv_func_gettimeofday != yes; then
     HAVE_GETTIMEOFDAY=0
   else
-
-
-
-
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether gettimeofday clobbers localtime buffer" >&5
-printf %s "checking whether gettimeofday clobbers localtime buffer... " >&6; }
-if test ${gl_cv_func_gettimeofday_clobber+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
-then :
-  # When cross-compiling:
-      case "$host_os" in
-                       # Guess all is fine on glibc systems.
-        *-gnu* | gnu*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
-                       # Guess no on native Windows.
-        mingw*)        gl_cv_func_gettimeofday_clobber="guessing no" ;;
-                       # If we don't know, assume the worst.
-        *)             gl_cv_func_gettimeofday_clobber="guessing yes" ;;
-      esac
-
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <string.h>
-          #include <sys/time.h>
-          #include <time.h>
-          #include <stdlib.h>
-
-int
-main (void)
-{
-
-          time_t t = 0;
-          struct tm *lt;
-          struct tm saved_lt;
-          struct timeval tv;
-          lt = localtime (&t);
-          saved_lt = *lt;
-          gettimeofday (&tv, NULL);
-          return memcmp (lt, &saved_lt, sizeof (struct tm)) != 0;
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"
-then :
-  gl_cv_func_gettimeofday_clobber=no
-else $as_nop
-  gl_cv_func_gettimeofday_clobber=yes
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_gettimeofday_clobber" >&5
-printf "%s\n" "$gl_cv_func_gettimeofday_clobber" >&6; }
-
- case "$gl_cv_func_gettimeofday_clobber" in
-   *yes)
-     REPLACE_GETTIMEOFDAY=1
-
-printf "%s\n" "#define GETTIMEOFDAY_CLOBBERS_LOCALTIME 1" >>confdefs.h
-
-
-
-
-  NEED_LOCALTIME_BUFFER=1
-  REPLACE_GMTIME=1
-  REPLACE_LOCALTIME=1
-
-     ;;
- esac
-
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gettimeofday with POSIX signature" >&5
 printf %s "checking for gettimeofday with POSIX signature... " >&6; }
 if test ${gl_cv_func_gettimeofday_posix_signature+y}
@@ -20398,25 +24521,35 @@ printf "%s\n" "$gl_cv_func_gettimeofday_posix_signature" >&6; }
 printf "%s\n" "#define GETTIMEOFDAY_TIMEZONE $gl_gettimeofday_timezone" >>confdefs.h
 
 
-  if test $HAVE_GETTIMEOFDAY = 0 || test $REPLACE_GETTIMEOFDAY = 1; then
-
 
+     if test $HAVE_GETTIMEOFDAY = 0 || test $REPLACE_GETTIMEOFDAY = 1; then
+  GL_COND_OBJ_GETTIMEOFDAY_TRUE=
+  GL_COND_OBJ_GETTIMEOFDAY_FALSE='#'
+else
+  GL_COND_OBJ_GETTIMEOFDAY_TRUE='#'
+  GL_COND_OBJ_GETTIMEOFDAY_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_GETTIMEOFDAY_TRUE}" && test -z "${GL_COND_OBJ_GETTIMEOFDAY_FALSE}"; then
+    GL_COND_OBJ_GETTIMEOFDAY_TRUE='#'
+    GL_COND_OBJ_GETTIMEOFDAY_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_GETTIMEOFDAY_TRUE"; then :
 
+    :
 
+fi
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS gettimeofday.$ac_objext"
 
-    :
-  fi
 
 
 
 
 
-          GNULIB_GETTIMEOFDAY=1
+          GL_GNULIB_GETTIMEOFDAY=1
 
 
 
@@ -20442,296 +24575,52 @@ else $as_nop
 fi
 
 
-  if test $HAVE_GROUP_MEMBER = 0; then
-
-
-
-
-
 
-
-
-  gl_LIBOBJS="$gl_LIBOBJS group-member.$ac_objext"
-
-
-
-
-  fi
-
-
-
-
-
-          GNULIB_GROUP_MEMBER=1
-
-
-
-
-
-printf "%s\n" "#define GNULIB_TEST_GROUP_MEMBER 1" >>confdefs.h
-
-
-
-
-
-
-
-
-  PRIPTR_PREFIX=
-  if test -n "$STDINT_H"; then
-        PRIPTR_PREFIX='"l"'
-  else
-        for glpfx in '' l ll I64; do
-      case $glpfx in
-        '')  gltype1='int';;
-        l)   gltype1='long int';;
-        ll)  gltype1='long long int';;
-        I64) gltype1='__int64';;
-      esac
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdint.h>
-           extern intptr_t foo;
-           extern $gltype1 foo;
-int
-main (void)
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  PRIPTR_PREFIX='"'$glpfx'"'
+     if test $HAVE_GROUP_MEMBER = 0; then
+  GL_COND_OBJ_GROUP_MEMBER_TRUE=
+  GL_COND_OBJ_GROUP_MEMBER_FALSE='#'
+else
+  GL_COND_OBJ_GROUP_MEMBER_TRUE='#'
+  GL_COND_OBJ_GROUP_MEMBER_FALSE=
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-      test -n "$PRIPTR_PREFIX" && break
-    done
+:
+    if test -z "${GL_COND_OBJ_GROUP_MEMBER_TRUE}" && test -z "${GL_COND_OBJ_GROUP_MEMBER_FALSE}"; then
+    GL_COND_OBJ_GROUP_MEMBER_TRUE='#'
+    GL_COND_OBJ_GROUP_MEMBER_FALSE='#'
   fi
 
+  if test -z "$GL_COND_OBJ_GROUP_MEMBER_TRUE"; then :
 
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether INT32_MAX < INTMAX_MAX" >&5
-printf %s "checking whether INT32_MAX < INTMAX_MAX... " >&6; }
-if test ${gl_cv_test_INT32_MAX_LT_INTMAX_MAX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-/* Work also in C++ mode.  */
-            #define __STDC_LIMIT_MACROS 1
 
-            /* Work if build is not clean.  */
-            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H
-
-            #include <limits.h>
-            #if HAVE_STDINT_H
-             #include <stdint.h>
-            #endif
 
-            #if defined INT32_MAX && defined INTMAX_MAX
-             #define CONDITION (INT32_MAX < INTMAX_MAX)
-            #elif HAVE_LONG_LONG_INT
-             #define CONDITION (sizeof (int) < sizeof (long long int))
-            #else
-             #define CONDITION 0
-            #endif
-            int test[CONDITION ? 1 : -1];
-int
-main (void)
-{
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  gl_cv_test_INT32_MAX_LT_INTMAX_MAX=yes
-else $as_nop
-  gl_cv_test_INT32_MAX_LT_INTMAX_MAX=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_test_INT32_MAX_LT_INTMAX_MAX" >&5
-printf "%s\n" "$gl_cv_test_INT32_MAX_LT_INTMAX_MAX" >&6; }
-  if test $gl_cv_test_INT32_MAX_LT_INTMAX_MAX = yes; then
-    INT32_MAX_LT_INTMAX_MAX=1;
-  else
-    INT32_MAX_LT_INTMAX_MAX=0;
-  fi
 
 
-  if test $APPLE_UNIVERSAL_BUILD = 0; then
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether INT64_MAX == LONG_MAX" >&5
-printf %s "checking whether INT64_MAX == LONG_MAX... " >&6; }
-if test ${gl_cv_test_INT64_MAX_EQ_LONG_MAX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-/* Work also in C++ mode.  */
-            #define __STDC_LIMIT_MACROS 1
 
-            /* Work if build is not clean.  */
-            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H
 
-            #include <limits.h>
-            #if HAVE_STDINT_H
-             #include <stdint.h>
-            #endif
 
-            #if defined INT64_MAX
-             #define CONDITION (INT64_MAX == LONG_MAX)
-            #elif HAVE_LONG_LONG_INT
-             #define CONDITION (sizeof (long long int) == sizeof (long int))
-            #else
-             #define CONDITION 0
-            #endif
-            int test[CONDITION ? 1 : -1];
-int
-main (void)
-{
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  gl_cv_test_INT64_MAX_EQ_LONG_MAX=yes
-else $as_nop
-  gl_cv_test_INT64_MAX_EQ_LONG_MAX=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_test_INT64_MAX_EQ_LONG_MAX" >&5
-printf "%s\n" "$gl_cv_test_INT64_MAX_EQ_LONG_MAX" >&6; }
-  if test $gl_cv_test_INT64_MAX_EQ_LONG_MAX = yes; then
-    INT64_MAX_EQ_LONG_MAX=1;
-  else
-    INT64_MAX_EQ_LONG_MAX=0;
-  fi
 
 
-  else
-    INT64_MAX_EQ_LONG_MAX=-1
-  fi
+          GL_GNULIB_GROUP_MEMBER=1
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether UINT32_MAX < UINTMAX_MAX" >&5
-printf %s "checking whether UINT32_MAX < UINTMAX_MAX... " >&6; }
-if test ${gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-/* Work also in C++ mode.  */
-            #define __STDC_LIMIT_MACROS 1
 
-            /* Work if build is not clean.  */
-            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H
 
-            #include <limits.h>
-            #if HAVE_STDINT_H
-             #include <stdint.h>
-            #endif
 
-            #if defined UINT32_MAX && defined UINTMAX_MAX
-             #define CONDITION (UINT32_MAX < UINTMAX_MAX)
-            #elif HAVE_LONG_LONG_INT
-             #define CONDITION (sizeof (unsigned int) < sizeof (unsigned long long int))
-            #else
-             #define CONDITION 0
-            #endif
-            int test[CONDITION ? 1 : -1];
-int
-main (void)
-{
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX=yes
-else $as_nop
-  gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX" >&5
-printf "%s\n" "$gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX" >&6; }
-  if test $gl_cv_test_UINT32_MAX_LT_UINTMAX_MAX = yes; then
-    UINT32_MAX_LT_UINTMAX_MAX=1;
-  else
-    UINT32_MAX_LT_UINTMAX_MAX=0;
-  fi
+printf "%s\n" "#define GNULIB_TEST_GROUP_MEMBER 1" >>confdefs.h
 
 
-  if test $APPLE_UNIVERSAL_BUILD = 0; then
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether UINT64_MAX == ULONG_MAX" >&5
-printf %s "checking whether UINT64_MAX == ULONG_MAX... " >&6; }
-if test ${gl_cv_test_UINT64_MAX_EQ_ULONG_MAX+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-/* Work also in C++ mode.  */
-            #define __STDC_LIMIT_MACROS 1
 
-            /* Work if build is not clean.  */
-            #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H
 
-            #include <limits.h>
-            #if HAVE_STDINT_H
-             #include <stdint.h>
-            #endif
 
-            #if defined UINT64_MAX
-             #define CONDITION (UINT64_MAX == ULONG_MAX)
-            #elif HAVE_LONG_LONG_INT
-             #define CONDITION (sizeof (unsigned long long int) == sizeof (unsigned long int))
-            #else
-             #define CONDITION 0
-            #endif
-            int test[CONDITION ? 1 : -1];
-int
-main (void)
-{
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  gl_cv_test_UINT64_MAX_EQ_ULONG_MAX=yes
-else $as_nop
-  gl_cv_test_UINT64_MAX_EQ_ULONG_MAX=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_test_UINT64_MAX_EQ_ULONG_MAX" >&5
-printf "%s\n" "$gl_cv_test_UINT64_MAX_EQ_ULONG_MAX" >&6; }
-  if test $gl_cv_test_UINT64_MAX_EQ_ULONG_MAX = yes; then
-    UINT64_MAX_EQ_ULONG_MAX=1;
-  else
-    UINT64_MAX_EQ_ULONG_MAX=0;
-  fi
 
 
-  else
-    UINT64_MAX_EQ_ULONG_MAX=-1
-  fi
-
 
 
 
@@ -20746,7 +24635,7 @@ else $as_nop
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <math.h>
-             #if __GNUC__ >= 4
+             #if (__GNUC__ >= 4) || (__clang_major__ >= 4)
              # undef isnand
              # define isnand(x) __builtin_isnan ((double)(x))
              #else
@@ -20809,9 +24698,9 @@ else $as_nop
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <math.h>
-             #if __GNUC__ >= 4
+             #if (__GNUC__ >= 4) || (__clang_major__ >= 4)
              # undef isnanf
-             # define isnanf(x) __builtin_isnanf ((float)(x))
+             # define isnanf(x) __builtin_isnan ((float)(x))
              #elif defined isnan
              # undef isnanf
              # define isnanf(x) isnan ((float)(x))
@@ -20880,9 +24769,9 @@ else $as_nop
 /* end confdefs.h.  */
 
 #include <math.h>
-#if __GNUC__ >= 4
+#if (__GNUC__ >= 4) || (__clang_major__ >= 4)
 # undef isnanf
-# define isnanf(x) __builtin_isnanf ((float)(x))
+# define isnanf(x) __builtin_isnan ((float)(x))
 #elif defined isnan
 # undef isnanf
 # define isnanf(x) isnan ((float)(x))
@@ -20922,7 +24811,7 @@ int main()
       m.value = NaN ();
       /* Set the bits below the exponent to 01111...111.  */
       m.word[0] &= -1U << FLT_EXPBIT0_BIT;
-      m.word[0] |= 1U << (FLT_EXPBIT0_BIT - 1) - 1;
+      m.word[0] |= (1U << (FLT_EXPBIT0_BIT - 1)) - 1;
       if (!isnanf (m.value))
         result |= 4;
     }
@@ -21095,9 +24984,9 @@ else $as_nop
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <math.h>
-             #if __GNUC__ >= 4
+             #if (__GNUC__ >= 4) || (__clang_major__ >= 4)
              # undef isnanl
-             # define isnanl(x) __builtin_isnanl ((long double)(x))
+             # define isnanl(x) __builtin_isnan ((long double)(x))
              #elif defined isnan
              # undef isnanl
              # define isnanl(x) isnan ((long double)(x))
@@ -21169,9 +25058,9 @@ else $as_nop
 #include <float.h>
 #include <limits.h>
 #include <math.h>
-#if __GNUC__ >= 4
+#if (__GNUC__ >= 4) || (__clang_major__ >= 4)
 # undef isnanl
-# define isnanl(x) __builtin_isnanl ((long double)(x))
+# define isnanl(x) __builtin_isnan ((long double)(x))
 #elif defined isnan
 # undef isnanl
 # define isnanl(x) isnan ((long double)(x))
@@ -21377,14 +25266,14 @@ typedef union { long double value; unsigned int word[NWORDS]; }
         memory_long_double;
 static unsigned int ored_words[NWORDS];
 static unsigned int anded_words[NWORDS];
-static void add_to_ored_words (long double x)
+static void add_to_ored_words (long double *x)
 {
   memory_long_double m;
   size_t i;
   /* Clear it first, in case
      sizeof (long double) < sizeof (memory_long_double).  */
   memset (&m, 0, sizeof (memory_long_double));
-  m.value = x;
+  m.value = *x;
   for (i = 0; i < NWORDS; i++)
     {
       ored_words[i] |= m.word[i];
@@ -21393,17 +25282,15 @@ static void add_to_ored_words (long double x)
 }
 int main ()
 {
+  static long double samples[5] = { 0.25L, 0.5L, 1.0L, 2.0L, 4.0L };
   size_t j;
   FILE *fp = fopen ("conftest.out", "w");
   if (fp == NULL)
     return 1;
   for (j = 0; j < NWORDS; j++)
     anded_words[j] = ~ (unsigned int) 0;
-  add_to_ored_words (0.25L);
-  add_to_ored_words (0.5L);
-  add_to_ored_words (1.0L);
-  add_to_ored_words (2.0L);
-  add_to_ored_words (4.0L);
+  for (j = 0; j < 5; j++)
+    add_to_ored_words (&samples[j]);
   /* Remove bits that are common (e.g. if representation of the first mantissa
      bit is explicit).  */
   for (j = 0; j < NWORDS; j++)
@@ -21466,16 +25353,73 @@ printf "%s\n" "#define LDBL_EXPBIT0_BIT $bit" >>confdefs.h
   fi
 
 
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the __inline keyword" >&5
+printf %s "checking whether the compiler supports the __inline keyword... " >&6; }
+if test ${gl_cv_c___inline+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+typedef int foo_t;
+           static __inline foo_t foo (void) { return 0; }
+int
+main (void)
+{
+return foo ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  gl_cv_c___inline=yes
+else $as_nop
+  gl_cv_c___inline=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_c___inline" >&5
+printf "%s\n" "$gl_cv_c___inline" >&6; }
+  if test $gl_cv_c___inline = yes; then
+
+printf "%s\n" "#define HAVE___INLINE 1" >>confdefs.h
+
+  fi
+
+
 
 
 
 
+  case "$GL_GENERATE_LIMITS_H" in
+    false) LIMITS_H='' ;;
+    true)
+                  if test -z "$LIMITS_H"; then
+        LIMITS_H="${gl_source_base_prefix}limits.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_LIMITS_H is not set correctly" 1>&2; exit 1 ;;
+  esac
+
+
+     if $GL_GENERATE_LIMITS_H; then
+  GL_GENERATE_LIMITS_H_TRUE=
+  GL_GENERATE_LIMITS_H_FALSE='#'
+else
+  GL_GENERATE_LIMITS_H_TRUE='#'
+  GL_GENERATE_LIMITS_H_FALSE=
+fi
+:
+    if test -z "${GL_GENERATE_LIMITS_H_TRUE}" && test -z "${GL_GENERATE_LIMITS_H_FALSE}"; then
+    GL_GENERATE_LIMITS_H_TRUE='#'
+    GL_GENERATE_LIMITS_H_FALSE='#'
+  fi
 
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS localtime-buffer.$ac_objext"
 
 
 
@@ -21492,25 +25436,35 @@ printf "%s\n" "#define LDBL_EXPBIT0_BIT $bit" >>confdefs.h
     HAVE_LSTAT=0
   fi
 
-  if test $REPLACE_LSTAT = 1; then
-
 
+     if test $REPLACE_LSTAT = 1; then
+  GL_COND_OBJ_LSTAT_TRUE=
+  GL_COND_OBJ_LSTAT_FALSE='#'
+else
+  GL_COND_OBJ_LSTAT_TRUE='#'
+  GL_COND_OBJ_LSTAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_LSTAT_TRUE}" && test -z "${GL_COND_OBJ_LSTAT_FALSE}"; then
+    GL_COND_OBJ_LSTAT_TRUE='#'
+    GL_COND_OBJ_LSTAT_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_LSTAT_TRUE"; then :
 
+    :
 
+fi
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS lstat.$ac_objext"
 
-    :
-  fi
 
 
 
 
 
-          GNULIB_LSTAT=1
+          GL_GNULIB_LSTAT=1
 
 
 
@@ -21523,15 +25477,68 @@ printf "%s\n" "#define GNULIB_TEST_LSTAT 1" >>confdefs.h
 
 
 
-  if test $gl_cv_func_malloc_posix = yes; then
+  REPLACE_MALLOC_FOR_MALLOC_GNU="$REPLACE_MALLOC_FOR_MALLOC_POSIX"
+  if test $REPLACE_MALLOC_FOR_MALLOC_GNU = 0; then
 
-printf "%s\n" "#define HAVE_MALLOC_POSIX 1" >>confdefs.h
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether malloc (0) returns nonnull" >&5
+printf %s "checking whether malloc (0) returns nonnull... " >&6; }
+if test ${ac_cv_func_malloc_0_nonnull+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  case "$host_os" in
+          # Guess yes on platforms where we know the result.
+          *-gnu* | freebsd* | netbsd* | openbsd* | bitrig* \
+          | gnu* | *-musl* | midnightbsd* \
+          | hpux* | solaris* | cygwin* | mingw* | msys* )
+            ac_cv_func_malloc_0_nonnull="guessing yes" ;;
+          # If we don't know, obey --enable-cross-guesses.
+          *) ac_cv_func_malloc_0_nonnull="$gl_cross_guess_normal" ;;
+        esac
+
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+int
+main (void)
+{
+void *p = malloc (0);
+            int result = !p;
+            free (p);
+            return result;
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_malloc_0_nonnull=yes
+else $as_nop
+  ac_cv_func_malloc_0_nonnull=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_malloc_0_nonnull" >&5
+printf "%s\n" "$ac_cv_func_malloc_0_nonnull" >&6; }
+  case $ac_cv_func_malloc_0_nonnull in #(
+  *yes) :
+     ;; #(
+  *) :
+    REPLACE_MALLOC_FOR_MALLOC_GNU=1 ;;
+esac
 
-  else
-    REPLACE_MALLOC=1
   fi
 
-  if test $REPLACE_MALLOC = 1; then
+  if test $REPLACE_MALLOC_FOR_MALLOC_GNU = 1; then
 
 
 
@@ -21548,22 +25555,22 @@ printf "%s\n" "#define HAVE_MALLOC_POSIX 1" >>confdefs.h
 
 
 
-          GNULIB_MALLOC_POSIX=1
 
 
 
 
-
-printf "%s\n" "#define GNULIB_TEST_MALLOC_POSIX 1" >>confdefs.h
+          GL_GNULIB_MALLOC_GNU=1
 
 
 
 
 
+printf "%s\n" "#define GNULIB_TEST_MALLOC_GNU 1" >>confdefs.h
 
 
 
 
+  if test $REPLACE_MALLOC_FOR_MALLOC_POSIX = 1; then
 
 
 
@@ -21572,154 +25579,33 @@ printf "%s\n" "#define GNULIB_TEST_MALLOC_POSIX 1" >>confdefs.h
 
 
 
+  gl_LIBOBJS="$gl_LIBOBJS malloc.$ac_objext"
 
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_math_h='<'math.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <math.h>" >&5
-printf %s "checking absolute name of <math.h>... " >&6; }
-if test ${gl_cv_next_math_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
+  fi
 
-             if test $ac_cv_header_math_h = yes; then
 
 
 
 
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <math.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
 
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'math.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
 
-        gl_cv_absolute_math_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_math_h
-           gl_cv_next_math_h='"'$gl_header'"'
-          else
-               gl_cv_next_math_h='<'math.h'>'
-             fi
 
+          GL_GNULIB_MALLOC_POSIX=1
 
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_math_h" >&5
-printf "%s\n" "$gl_cv_next_math_h" >&6; }
-     fi
-     NEXT_MATH_H=$gl_cv_next_math_h
 
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'math.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_math_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_MATH_H=$gl_next_as_first_directive
 
 
 
+printf "%s\n" "#define GNULIB_TEST_MALLOC_POSIX 1" >>confdefs.h
 
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether NAN macro works" >&5
-printf %s "checking whether NAN macro works... " >&6; }
-if test ${gl_cv_header_math_nan_works+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <math.h>
-int
-main (void)
-{
-/* Solaris 10 has a broken definition of NAN.  Other platforms
-        fail to provide NAN, or provide it only in C99 mode; this
-        test only needs to fail when NAN is provided but wrong.  */
-         float f = 1.0f;
-#ifdef NAN
-         f = NAN;
-#endif
-         return f == 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  gl_cv_header_math_nan_works=yes
-else $as_nop
-  gl_cv_header_math_nan_works=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_math_nan_works" >&5
-printf "%s\n" "$gl_cv_header_math_nan_works" >&6; }
-  if test $gl_cv_header_math_nan_works = no; then
-    REPLACE_NAN=1
-  fi
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether HUGE_VAL works" >&5
-printf %s "checking whether HUGE_VAL works... " >&6; }
-if test ${gl_cv_header_math_huge_val_works+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <math.h>
-int
-main (void)
-{
-/* Solaris 10 has a broken definition of HUGE_VAL.  */
-         double d = HUGE_VAL;
-         return d == 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  gl_cv_header_math_huge_val_works=yes
-else $as_nop
-  gl_cv_header_math_huge_val_works=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_math_huge_val_works" >&5
-printf "%s\n" "$gl_cv_header_math_huge_val_works" >&6; }
-  if test $gl_cv_header_math_huge_val_works = no; then
-    REPLACE_HUGE_VAL=1
-  fi
 
 
 
 
 
 
-  if test $HAVE_MEMCHR = 0 || test $REPLACE_MEMCHR = 1; then
 
 
 
@@ -21727,8 +25613,20 @@ printf "%s\n" "$gl_cv_header_math_huge_val_works" >&6; }
 
 
 
+     if test $REPLACE_MEMCHR = 1; then
+  GL_COND_OBJ_MEMCHR_TRUE=
+  GL_COND_OBJ_MEMCHR_FALSE='#'
+else
+  GL_COND_OBJ_MEMCHR_TRUE='#'
+  GL_COND_OBJ_MEMCHR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_MEMCHR_TRUE}" && test -z "${GL_COND_OBJ_MEMCHR_FALSE}"; then
+    GL_COND_OBJ_MEMCHR_TRUE='#'
+    GL_COND_OBJ_MEMCHR_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS memchr.$ac_objext"
+  if test -z "$GL_COND_OBJ_MEMCHR_TRUE"; then :
 
 
   ac_fn_c_check_header_compile "$LINENO" "bp-sym.h" "ac_cv_header_bp_sym_h" "$ac_includes_default"
@@ -21739,13 +25637,23 @@ then :
 fi
 
 
-  fi
+
+fi
+
+
+
 
 
 
 
 
-          GNULIB_MEMCHR=1
+
+
+
+
+
+
+          GL_GNULIB_MEMCHR=1
 
 
 
@@ -21772,27 +25680,42 @@ fi
     HAVE_MEMPCPY=0
   fi
 
-  if test $HAVE_MEMPCPY = 0; then
+
+     if test $HAVE_MEMPCPY = 0; then
+  GL_COND_OBJ_MEMPCPY_TRUE=
+  GL_COND_OBJ_MEMPCPY_FALSE='#'
+else
+  GL_COND_OBJ_MEMPCPY_TRUE='#'
+  GL_COND_OBJ_MEMPCPY_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_MEMPCPY_TRUE}" && test -z "${GL_COND_OBJ_MEMPCPY_FALSE}"; then
+    GL_COND_OBJ_MEMPCPY_TRUE='#'
+    GL_COND_OBJ_MEMPCPY_FALSE='#'
+  fi
+
+  if test -z "$GL_COND_OBJ_MEMPCPY_TRUE"; then :
+
+
+  :
 
 
+fi
 
 
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS mempcpy.$ac_objext"
 
 
-  :
 
-  fi
 
 
 
 
 
-          GNULIB_MEMPCPY=1
+          GL_GNULIB_MEMPCPY=1
 
 
 
@@ -21819,7 +25742,25 @@ then :
 fi
 
 
-  if test $ac_cv_func_memrchr = no; then
+
+     if test $ac_cv_func_memrchr = no; then
+  GL_COND_OBJ_MEMRCHR_TRUE=
+  GL_COND_OBJ_MEMRCHR_FALSE='#'
+else
+  GL_COND_OBJ_MEMRCHR_TRUE='#'
+  GL_COND_OBJ_MEMRCHR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_MEMRCHR_TRUE}" && test -z "${GL_COND_OBJ_MEMRCHR_FALSE}"; then
+    GL_COND_OBJ_MEMRCHR_TRUE='#'
+    GL_COND_OBJ_MEMRCHR_FALSE='#'
+  fi
+
+  if test -z "$GL_COND_OBJ_MEMRCHR_TRUE"; then :
+
+    :
+
+fi
 
 
 
@@ -21828,16 +25769,13 @@ fi
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS memrchr.$ac_objext"
 
-    :
-  fi
 
 
 
 
 
-          GNULIB_MEMRCHR=1
+          GL_GNULIB_MEMRCHR=1
 
 
 
@@ -21849,6 +25787,9 @@ printf "%s\n" "#define GNULIB_TEST_MEMRCHR 1" >>confdefs.h
 
 
 
+
+
+
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether mkdir handles trailing slash" >&5
 printf %s "checking whether mkdir handles trailing slash... " >&6; }
 if test ${gl_cv_func_mkdir_trailing_slash_works+y}
@@ -21856,15 +25797,15 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
   rm -rf conftest.dir
-      if test "$cross_compiling" = yes
+     if test "$cross_compiling" = yes
 then :
   case "$host_os" in
-                          # Guess yes on Linux systems.
-         linux-* | linux) gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
-                          # Guess yes on glibc systems.
-         *-gnu* | gnu*)   gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
-                          # Guess yes on MSVC, no on mingw.
-         mingw*)          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+                           # Guess yes on Linux systems.
+          linux-* | linux) gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
+                           # Guess yes on glibc systems.
+          *-gnu* | gnu*)   gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
+                           # Guess yes on MSVC, no on mingw.
+          mingw*)          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #ifdef _MSC_VER
@@ -21881,17 +25822,20 @@ else $as_nop
 fi
 rm -rf conftest*
 
-                          ;;
-                          # If we don't know, assume the worst.
-         *)               gl_cv_func_mkdir_trailing_slash_works="guessing no" ;;
-       esac
+                           ;;
+                           # If we don't know, obey --enable-cross-guesses.
+          *)               gl_cv_func_mkdir_trailing_slash_works="$gl_cross_guess_normal" ;;
+        esac
 
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-#       include <sys/types.h>
-#       include <sys/stat.h>
+          #include <sys/types.h>
+          #include <sys/stat.h>
+
+
+$gl_mda_defines
 
 int
 main (void)
@@ -21911,8 +25855,7 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-    rm -rf conftest.dir
-
+     rm -rf conftest.dir
 
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_mkdir_trailing_slash_works" >&5
@@ -21931,23 +25874,28 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
   rm -rf conftest.dir
-      if test "$cross_compiling" = yes
+     if test "$cross_compiling" = yes
 then :
   case "$host_os" in
-                        # Guess yes on glibc systems.
-         *-gnu* | gnu*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;;
-                        # Guess no on native Windows.
-         mingw*)        gl_cv_func_mkdir_trailing_dot_works="guessing no" ;;
-                        # If we don't know, assume the worst.
-         *)             gl_cv_func_mkdir_trailing_dot_works="guessing no" ;;
-       esac
+                         # Guess yes on glibc systems.
+          *-gnu* | gnu*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;;
+                         # Guess yes on musl systems.
+          *-musl*)       gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;;
+                         # Guess no on native Windows.
+          mingw*)        gl_cv_func_mkdir_trailing_dot_works="guessing no" ;;
+                         # If we don't know, obey --enable-cross-guesses.
+          *)             gl_cv_func_mkdir_trailing_dot_works="$gl_cross_guess_normal" ;;
+        esac
 
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-#       include <sys/types.h>
-#       include <sys/stat.h>
+          #include <sys/types.h>
+          #include <sys/stat.h>
+
+
+$gl_mda_defines
 
 int
 main (void)
@@ -21967,7 +25915,7 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-    rm -rf conftest.dir
+     rm -rf conftest.dir
 
 
 fi
@@ -21983,84 +25931,119 @@ printf "%s\n" "#define FUNC_MKDIR_DOT_BUG 1" >>confdefs.h
       ;;
   esac
 
-  if test $REPLACE_MKDIR = 1; then
-
-
-
 
+     if test $REPLACE_MKDIR = 1; then
+  GL_COND_OBJ_MKDIR_TRUE=
+  GL_COND_OBJ_MKDIR_FALSE='#'
+else
+  GL_COND_OBJ_MKDIR_TRUE='#'
+  GL_COND_OBJ_MKDIR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_MKDIR_TRUE}" && test -z "${GL_COND_OBJ_MKDIR_FALSE}"; then
+    GL_COND_OBJ_MKDIR_TRUE='#'
+    GL_COND_OBJ_MKDIR_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS mkdir.$ac_objext"
 
-  fi
 
 
 
 
-  if test $ac_cv_func_mkdirat != yes; then
-    HAVE_MKDIRAT=0
-  fi
 
-  if test $HAVE_MKDIRAT = 0; then
+          GL_GNULIB_MKDIR=1
 
 
 
 
 
+printf "%s\n" "#define GNULIB_TEST_MKDIR 1" >>confdefs.h
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS mkdirat.$ac_objext"
 
 
 
 
+  if test $ac_cv_func_mkdirat != yes; then
+    HAVE_MKDIRAT=0
   fi
 
 
+     if test $HAVE_MKDIRAT = 0; then
+  GL_COND_OBJ_MKDIRAT_TRUE=
+  GL_COND_OBJ_MKDIRAT_FALSE='#'
+else
+  GL_COND_OBJ_MKDIRAT_TRUE='#'
+  GL_COND_OBJ_MKDIRAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_MKDIRAT_TRUE}" && test -z "${GL_COND_OBJ_MKDIRAT_FALSE}"; then
+    GL_COND_OBJ_MKDIRAT_TRUE='#'
+    GL_COND_OBJ_MKDIRAT_FALSE='#'
+  fi
 
-
-
-          GNULIB_MKDIRAT=1
-
+  if test -z "$GL_COND_OBJ_MKDIRAT_TRUE"; then :
 
 
 
 
-printf "%s\n" "#define GNULIB_TEST_MKDIRAT 1" >>confdefs.h
 
+fi
 
 
 
-  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
 
 
 
 
 
 
+          GL_GNULIB_MKDIRAT=1
 
 
-  gl_LIBOBJS="$gl_LIBOBJS msvc-inval.$ac_objext"
 
-  fi
 
-  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
 
+printf "%s\n" "#define GNULIB_TEST_MKDIRAT 1" >>confdefs.h
 
 
 
 
 
+     if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+  GL_COND_OBJ_MSVC_INVAL_TRUE=
+  GL_COND_OBJ_MSVC_INVAL_FALSE='#'
+else
+  GL_COND_OBJ_MSVC_INVAL_TRUE='#'
+  GL_COND_OBJ_MSVC_INVAL_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_MSVC_INVAL_TRUE}" && test -z "${GL_COND_OBJ_MSVC_INVAL_FALSE}"; then
+    GL_COND_OBJ_MSVC_INVAL_TRUE='#'
+    GL_COND_OBJ_MSVC_INVAL_FALSE='#'
+  fi
 
 
-  gl_LIBOBJS="$gl_LIBOBJS msvc-nothrow.$ac_objext"
 
+     if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+  GL_COND_OBJ_MSVC_NOTHROW_TRUE=
+  GL_COND_OBJ_MSVC_NOTHROW_FALSE='#'
+else
+  GL_COND_OBJ_MSVC_NOTHROW_TRUE='#'
+  GL_COND_OBJ_MSVC_NOTHROW_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_MSVC_NOTHROW_TRUE}" && test -z "${GL_COND_OBJ_MSVC_NOTHROW_FALSE}"; then
+    GL_COND_OBJ_MSVC_NOTHROW_TRUE='#'
+    GL_COND_OBJ_MSVC_NOTHROW_FALSE='#'
   fi
 
 
+
 printf "%s\n" "#define GNULIB_MSVC_NOTHROW 1" >>confdefs.h
 
 
@@ -22077,26 +26060,28 @@ printf "%s\n" "#define GNULIB_MSVC_NOTHROW 1" >>confdefs.h
       if test "$gl_cv_macro_O_CLOEXEC" != yes; then
         REPLACE_OPEN=1
       fi
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether open recognizes a trailing slash" >&5
+
+
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether open recognizes a trailing slash" >&5
 printf %s "checking whether open recognizes a trailing slash... " >&6; }
 if test ${gl_cv_func_open_slash+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
   # Assume that if we have lstat, we can also check symlinks.
-          if test $ac_cv_func_lstat = yes; then
-            touch conftest.tmp
-            ln -s conftest.tmp conftest.lnk
-          fi
-          if test "$cross_compiling" = yes
+     if test $ac_cv_func_lstat = yes; then
+       touch conftest.tmp
+       ln -s conftest.tmp conftest.lnk
+     fi
+     if test "$cross_compiling" = yes
 then :
 
-             case "$host_os" in
-               freebsd* | aix* | hpux* | solaris2.[0-9] | solaris2.[0-9].*)
-                 gl_cv_func_open_slash="guessing no" ;;
-               *)
-                 gl_cv_func_open_slash="guessing yes" ;;
-             esac
+        case "$host_os" in
+          freebsd* | aix* | hpux* | solaris2.[0-9] | solaris2.[0-9].*)
+            gl_cv_func_open_slash="guessing no" ;;
+          *)
+            gl_cv_func_open_slash="guessing yes" ;;
+        esac
 
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -22106,6 +26091,10 @@ else $as_nop
 #if HAVE_UNISTD_H
 # include <unistd.h>
 #endif
+
+
+$gl_mda_defines
+
 int main ()
 {
   int result = 0;
@@ -22128,16 +26117,21 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-          rm -f conftest.sl conftest.tmp conftest.lnk
+     rm -f conftest.sl conftest.tmp conftest.lnk
 
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_open_slash" >&5
 printf "%s\n" "$gl_cv_func_open_slash" >&6; }
-      case "$gl_cv_func_open_slash" in
-        *no)
+  case "$gl_cv_func_open_slash" in
+    *no)
 
 printf "%s\n" "#define OPEN_TRAILING_SLASH_BUG 1" >>confdefs.h
 
+      ;;
+  esac
+
+      case "$gl_cv_func_open_slash" in
+        *no)
           REPLACE_OPEN=1
           ;;
       esac
@@ -22159,28 +26153,38 @@ printf "%s\n" "#define OPEN_TRAILING_SLASH_BUG 1" >>confdefs.h
 
 
 
-  if test $REPLACE_OPEN = 1; then
-
 
+     if test $REPLACE_OPEN = 1; then
+  GL_COND_OBJ_OPEN_TRUE=
+  GL_COND_OBJ_OPEN_FALSE='#'
+else
+  GL_COND_OBJ_OPEN_TRUE='#'
+  GL_COND_OBJ_OPEN_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_OPEN_TRUE}" && test -z "${GL_COND_OBJ_OPEN_FALSE}"; then
+    GL_COND_OBJ_OPEN_TRUE='#'
+    GL_COND_OBJ_OPEN_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_OPEN_TRUE"; then :
 
 
 
+  :
 
 
-  gl_LIBOBJS="$gl_LIBOBJS open.$ac_objext"
+fi
 
 
 
-  :
 
-  fi
 
 
 
 
 
-          GNULIB_OPEN=1
+          GL_GNULIB_OPEN=1
 
 
 
@@ -22210,32 +26214,42 @@ printf "%s\n" "#define GNULIB_TEST_OPEN 1" >>confdefs.h
     ;;
   esac
 
-  if test $HAVE_OPENAT = 0 || test $REPLACE_OPENAT = 1; then
-
 
+     if test $HAVE_OPENAT = 0 || test $REPLACE_OPENAT = 1; then
+  GL_COND_OBJ_OPENAT_TRUE=
+  GL_COND_OBJ_OPENAT_FALSE='#'
+else
+  GL_COND_OBJ_OPENAT_TRUE='#'
+  GL_COND_OBJ_OPENAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_OPENAT_TRUE}" && test -z "${GL_COND_OBJ_OPENAT_FALSE}"; then
+    GL_COND_OBJ_OPENAT_TRUE='#'
+    GL_COND_OBJ_OPENAT_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_OPENAT_TRUE"; then :
 
 
 
+  :
 
 
-  gl_LIBOBJS="$gl_LIBOBJS openat.$ac_objext"
+fi
 
 
+printf "%s\n" "#define GNULIB_OPENAT 1" >>confdefs.h
 
-  :
 
-  fi
 
 
-printf "%s\n" "#define GNULIB_OPENAT 1" >>confdefs.h
 
 
 
 
 
 
-          GNULIB_OPENAT=1
+          GL_GNULIB_OPENAT=1
 
 
 
@@ -22277,7 +26291,39 @@ fi
       REPLACE_OPENDIR=1;;
   esac
 
-  if test $HAVE_OPENDIR = 0 || test $REPLACE_OPENDIR = 1; then
+
+     if test $HAVE_OPENDIR = 0 || test $REPLACE_OPENDIR = 1; then
+  GL_COND_OBJ_OPENDIR_TRUE=
+  GL_COND_OBJ_OPENDIR_FALSE='#'
+else
+  GL_COND_OBJ_OPENDIR_TRUE='#'
+  GL_COND_OBJ_OPENDIR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_OPENDIR_TRUE}" && test -z "${GL_COND_OBJ_OPENDIR_FALSE}"; then
+    GL_COND_OBJ_OPENDIR_TRUE='#'
+    GL_COND_OBJ_OPENDIR_FALSE='#'
+  fi
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_OPENDIR=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_OPENDIR 1" >>confdefs.h
+
+
+
 
 
 
@@ -22285,25 +26331,40 @@ fi
 
 
 
+  if test $ac_cv_func_pipe != yes; then
+    HAVE_PIPE=0
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS opendir.$ac_objext"
 
+     if test $HAVE_PIPE = 0; then
+  GL_COND_OBJ_PIPE_TRUE=
+  GL_COND_OBJ_PIPE_FALSE='#'
+else
+  GL_COND_OBJ_PIPE_TRUE='#'
+  GL_COND_OBJ_PIPE_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_PIPE_TRUE}" && test -z "${GL_COND_OBJ_PIPE_FALSE}"; then
+    GL_COND_OBJ_PIPE_TRUE='#'
+    GL_COND_OBJ_PIPE_FALSE='#'
   fi
 
 
 
 
 
-          GNULIB_OPENDIR=1
 
 
 
 
 
-printf "%s\n" "#define GNULIB_TEST_OPENDIR 1" >>confdefs.h
+          GL_GNULIB_PIPE=1
+
+
 
 
 
+printf "%s\n" "#define GNULIB_TEST_PIPE 1" >>confdefs.h
 
 
 
@@ -22562,6 +26623,7 @@ extern
 "C"
 #endif
 long double frexpl (long double, int *);
+long double zero = 0.0L;
 int main()
 {
   int result = 0;
@@ -22619,7 +26681,8 @@ int main()
       }
   }
   /* Test on infinite numbers.  */
-  x = 1.0L / 0.0L;
+  /* The Microsoft MSVC 14 compiler chokes on the expression 1.0 / 0.0.  */
+  x = 1.0L / zero;
   {
     int exp;
     long double y = frexpl (x, &exp);
@@ -22783,6 +26846,64 @@ fi
 
 
 
+
+  ac_fn_c_check_func "$LINENO" "rawmemchr" "ac_cv_func_rawmemchr"
+if test "x$ac_cv_func_rawmemchr" = xyes
+then :
+  printf "%s\n" "#define HAVE_RAWMEMCHR 1" >>confdefs.h
+
+fi
+
+  if test $ac_cv_func_rawmemchr = no; then
+    HAVE_RAWMEMCHR=0
+  fi
+
+
+     if test $HAVE_RAWMEMCHR = 0; then
+  GL_COND_OBJ_RAWMEMCHR_TRUE=
+  GL_COND_OBJ_RAWMEMCHR_FALSE='#'
+else
+  GL_COND_OBJ_RAWMEMCHR_TRUE='#'
+  GL_COND_OBJ_RAWMEMCHR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_RAWMEMCHR_TRUE}" && test -z "${GL_COND_OBJ_RAWMEMCHR_FALSE}"; then
+    GL_COND_OBJ_RAWMEMCHR_TRUE='#'
+    GL_COND_OBJ_RAWMEMCHR_FALSE='#'
+  fi
+
+  if test -z "$GL_COND_OBJ_RAWMEMCHR_TRUE"; then :
+
+    :
+
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_RAWMEMCHR=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_RAWMEMCHR 1" >>confdefs.h
+
+
+
+
+
+
   if test $ac_cv_func_readlink = no; then
     HAVE_READLINK=0
   else
@@ -22817,7 +26938,7 @@ fi
 printf "%s\n" "$gl_cv_decl_readlink_works" >&6; }
             { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether readlink handles trailing slash correctly" >&5
 printf %s "checking whether readlink handles trailing slash correctly... " >&6; }
-if test ${gl_cv_func_readlink_works+y}
+if test ${gl_cv_func_readlink_trailing_slash+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
@@ -22827,12 +26948,15 @@ else $as_nop
        if test "$cross_compiling" = yes
 then :
   case "$host_os" in
-                             # Guess yes on Linux systems.
-            linux-* | linux) gl_cv_func_readlink_works="guessing yes" ;;
-                             # Guess yes on glibc systems.
-            *-gnu* | gnu*)   gl_cv_func_readlink_works="guessing yes" ;;
-                             # If we don't know, assume the worst.
-            *)               gl_cv_func_readlink_works="guessing no" ;;
+            # Guess yes on Linux or glibc systems.
+            linux-* | linux | *-gnu* | gnu*)
+              gl_cv_func_readlink_trailing_slash="guessing yes" ;;
+            # Guess no on AIX or HP-UX.
+            aix* | hpux*)
+              gl_cv_func_readlink_trailing_slash="guessing no" ;;
+            # If we don't know, obey --enable-cross-guesses.
+            *)
+              gl_cv_func_readlink_trailing_slash="$gl_cross_guess_normal" ;;
           esac
 
 else $as_nop
@@ -22851,9 +26975,9 @@ char buf[20];
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  gl_cv_func_readlink_works=yes
+  gl_cv_func_readlink_trailing_slash=yes
 else $as_nop
-  gl_cv_func_readlink_works=no
+  gl_cv_func_readlink_trailing_slash=no
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
@@ -22861,9 +26985,9 @@ fi
 
       rm -f conftest.link conftest.lnk2
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_readlink_works" >&5
-printf "%s\n" "$gl_cv_func_readlink_works" >&6; }
-    case "$gl_cv_func_readlink_works" in
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_readlink_trailing_slash" >&5
+printf "%s\n" "$gl_cv_func_readlink_trailing_slash" >&6; }
+    case "$gl_cv_func_readlink_trailing_slash" in
       *yes)
         if test "$gl_cv_decl_readlink_works" != yes; then
           REPLACE_READLINK=1
@@ -22876,29 +27000,103 @@ printf "%s\n" "#define READLINK_TRAILING_SLASH_BUG 1" >>confdefs.h
         REPLACE_READLINK=1
         ;;
     esac
-  fi
 
-  if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether readlink truncates results correctly" >&5
+printf %s "checking whether readlink truncates results correctly... " >&6; }
+if test ${gl_cv_func_readlink_truncate+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  # We have readlink, so assume ln -s works.
+       ln -s ab conftest.link
+       if test "$cross_compiling" = yes
+then :
+  case "$host_os" in
+            # Guess yes on Linux or glibc systems.
+            linux-* | linux | *-gnu* | gnu*)
+              gl_cv_func_readlink_truncate="guessing yes" ;;
+            # Guess no on AIX or HP-UX.
+            aix* | hpux*)
+              gl_cv_func_readlink_truncate="guessing no" ;;
+            # If we don't know, obey --enable-cross-guesses.
+            *)
+              gl_cv_func_readlink_truncate="$gl_cross_guess_normal" ;;
+          esac
 
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <unistd.h>
 
+int
+main (void)
+{
+char c;
+      return readlink ("conftest.link", &c, 1) != 1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  gl_cv_func_readlink_truncate=yes
+else $as_nop
+  gl_cv_func_readlink_truncate=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
 
+      rm -f conftest.link conftest.lnk2
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_readlink_truncate" >&5
+printf "%s\n" "$gl_cv_func_readlink_truncate" >&6; }
+    case $gl_cv_func_readlink_truncate in
+      *yes)
+        if test "$gl_cv_decl_readlink_works" != yes; then
+          REPLACE_READLINK=1
+        fi
+        ;;
+      *)
 
+printf "%s\n" "#define READLINK_TRUNCATE_BUG 1" >>confdefs.h
 
+        REPLACE_READLINK=1
+        ;;
+    esac
+  fi
 
 
+     if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
+  GL_COND_OBJ_READLINK_TRUE=
+  GL_COND_OBJ_READLINK_FALSE='#'
+else
+  GL_COND_OBJ_READLINK_TRUE='#'
+  GL_COND_OBJ_READLINK_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_READLINK_TRUE}" && test -z "${GL_COND_OBJ_READLINK_FALSE}"; then
+    GL_COND_OBJ_READLINK_TRUE='#'
+    GL_COND_OBJ_READLINK_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS readlink.$ac_objext"
+  if test -z "$GL_COND_OBJ_READLINK_TRUE"; then :
 
 
   :
 
-  fi
+
+fi
+
+
+
 
 
 
 
 
-          GNULIB_READLINK=1
+
+          GL_GNULIB_READLINK=1
 
 
 
@@ -22945,13 +27143,10 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_decl_readlinkat_works" >&5
 printf "%s\n" "$gl_cv_decl_readlinkat_works" >&6; }
-    # Assume readinkat has the same trailing slash bug as readlink,
-    # as is the case on Mac Os X 10.10
-    case "$gl_cv_func_readlink_works" in
-      *yes)
-        if test "$gl_cv_decl_readlinkat_works" != yes; then
-          REPLACE_READLINKAT=1
-        fi
+    # Assume readlinkat has the same bugs as readlink,
+    # as is the case on OS X 10.10 with trailing slashes.
+    case $gl_cv_decl_readlinkat_works,$gl_cv_func_readlink_trailing_slash,$gl_cv_func_readlink_truncate in
+      *yes,*yes,*yes)
         ;;
       *)
         REPLACE_READLINKAT=1
@@ -22959,7 +27154,103 @@ printf "%s\n" "$gl_cv_decl_readlinkat_works" >&6; }
     esac
   fi
 
-  if test $HAVE_READLINKAT = 0 || test $REPLACE_READLINKAT = 1; then
+
+     if test $HAVE_READLINKAT = 0 || test $REPLACE_READLINKAT = 1; then
+  GL_COND_OBJ_READLINKAT_TRUE=
+  GL_COND_OBJ_READLINKAT_FALSE='#'
+else
+  GL_COND_OBJ_READLINKAT_TRUE='#'
+  GL_COND_OBJ_READLINKAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_READLINKAT_TRUE}" && test -z "${GL_COND_OBJ_READLINKAT_FALSE}"; then
+    GL_COND_OBJ_READLINKAT_TRUE='#'
+    GL_COND_OBJ_READLINKAT_FALSE='#'
+  fi
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_READLINKAT=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_READLINKAT 1" >>confdefs.h
+
+
+
+
+
+
+  if test $REPLACE_REALLOC_FOR_REALLOC_GNU = 0; then
+
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether realloc (0, 0) returns nonnull" >&5
+printf %s "checking whether realloc (0, 0) returns nonnull... " >&6; }
+if test ${ac_cv_func_realloc_0_nonnull+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test "$cross_compiling" = yes
+then :
+  case "$host_os" in
+          # Guess yes on platforms where we know the result.
+          *-gnu* | freebsd* | netbsd* | openbsd* | bitrig* \
+          | gnu* | *-musl* | midnightbsd* \
+          | hpux* | solaris* | cygwin* | mingw* | msys* )
+            ac_cv_func_realloc_0_nonnull="guessing yes" ;;
+          # If we don't know, obey --enable-cross-guesses.
+          *) ac_cv_func_realloc_0_nonnull="$gl_cross_guess_normal" ;;
+        esac
+
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+int
+main (void)
+{
+void *p = realloc (0, 0);
+            int result = !p;
+            free (p);
+            return result;
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  ac_cv_func_realloc_0_nonnull=yes
+else $as_nop
+  ac_cv_func_realloc_0_nonnull=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_realloc_0_nonnull" >&5
+printf "%s\n" "$ac_cv_func_realloc_0_nonnull" >&6; }
+  case $ac_cv_func_realloc_0_nonnull in #(
+  *yes) :
+     ;; #(
+  *) :
+    REPLACE_REALLOC_FOR_REALLOC_GNU=1 ;;
+esac
+
+  fi
+
+  if test $REPLACE_REALLOC_FOR_REALLOC_GNU = 1; then
 
 
 
@@ -22968,7 +27259,7 @@ printf "%s\n" "$gl_cv_decl_readlinkat_works" >&6; }
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS readlinkat.$ac_objext"
+  gl_LIBOBJS="$gl_LIBOBJS realloc.$ac_objext"
 
   fi
 
@@ -22976,28 +27267,28 @@ printf "%s\n" "$gl_cv_decl_readlinkat_works" >&6; }
 
 
 
-          GNULIB_READLINKAT=1
 
 
 
 
+          GL_GNULIB_REALLOC_GNU=1
 
-printf "%s\n" "#define GNULIB_TEST_READLINKAT 1" >>confdefs.h
 
 
 
 
+printf "%s\n" "#define GNULIB_TEST_REALLOC_GNU 1" >>confdefs.h
 
 
-  if test $gl_cv_func_malloc_posix = yes; then
 
-printf "%s\n" "#define HAVE_REALLOC_POSIX 1" >>confdefs.h
 
-  else
-    REPLACE_REALLOC=1
+
+
+  if test $REPLACE_MALLOC_FOR_MALLOC_POSIX = 1; then
+    REPLACE_REALLOC_FOR_REALLOC_POSIX=1
   fi
 
-  if test $REPLACE_REALLOC = 1; then
+  if test $REPLACE_REALLOC_FOR_REALLOC_POSIX = 1; then
 
 
 
@@ -23014,7 +27305,11 @@ printf "%s\n" "#define HAVE_REALLOC_POSIX 1" >>confdefs.h
 
 
 
-          GNULIB_REALLOC_POSIX=1
+
+
+
+
+          GL_GNULIB_REALLOC_POSIX=1
 
 
 
@@ -23029,6 +27324,67 @@ printf "%s\n" "#define GNULIB_TEST_REALLOC_POSIX 1" >>confdefs.h
 
 
 
+  ac_fn_c_check_func "$LINENO" "reallocarray" "ac_cv_func_reallocarray"
+if test "x$ac_cv_func_reallocarray" = xyes
+then :
+  printf "%s\n" "#define HAVE_REALLOCARRAY 1" >>confdefs.h
+
+fi
+
+  if test "$ac_cv_func_reallocarray" = no; then
+    HAVE_REALLOCARRAY=0
+  elif test "$gl_cv_malloc_ptrdiff" = no; then
+    REPLACE_REALLOCARRAY=1
+  fi
+
+
+     if test $HAVE_REALLOCARRAY = 0 || test $REPLACE_REALLOCARRAY = 1; then
+  GL_COND_OBJ_REALLOCARRAY_TRUE=
+  GL_COND_OBJ_REALLOCARRAY_FALSE='#'
+else
+  GL_COND_OBJ_REALLOCARRAY_TRUE='#'
+  GL_COND_OBJ_REALLOCARRAY_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_REALLOCARRAY_TRUE}" && test -z "${GL_COND_OBJ_REALLOCARRAY_FALSE}"; then
+    GL_COND_OBJ_REALLOCARRAY_TRUE='#'
+    GL_COND_OBJ_REALLOCARRAY_FALSE='#'
+  fi
+
+  if test -z "$GL_COND_OBJ_REALLOCARRAY_TRUE"; then :
+
+    :
+
+fi
+
+
+printf "%s\n" "#define GNULIB_REALLOCARRAY 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_REALLOCARRAY=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_REALLOCARRAY 1" >>confdefs.h
+
+
+
+
+
+
+
+
                 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether rename honors trailing slash on destination" >&5
 printf %s "checking whether rename honors trailing slash on destination... " >&6; }
 if test ${gl_cv_func_rename_slash_dst_works+y}
@@ -23051,8 +27407,8 @@ then :
          *-gnu*)          gl_cv_func_rename_slash_dst_works="guessing yes" ;;
                           # Guess no on native Windows.
          mingw*)          gl_cv_func_rename_slash_dst_works="guessing no" ;;
-                          # If we don't know, assume the worst.
-         *)               gl_cv_func_rename_slash_dst_works="guessing no" ;;
+                          # If we don't know, obey --enable-cross-guesses.
+         *)               gl_cv_func_rename_slash_dst_works="$gl_cross_guess_normal" ;;
        esac
 
 else $as_nop
@@ -23127,8 +27483,8 @@ then :
          *-gnu*)          gl_cv_func_rename_slash_src_works="guessing yes" ;;
                           # Guess yes on native Windows.
          mingw*)          gl_cv_func_rename_slash_src_works="guessing yes" ;;
-                          # If we don't know, assume the worst.
-         *)               gl_cv_func_rename_slash_src_works="guessing no" ;;
+                          # If we don't know, obey --enable-cross-guesses.
+         *)               gl_cv_func_rename_slash_src_works="$gl_cross_guess_normal" ;;
        esac
 
 else $as_nop
@@ -23189,52 +27545,47 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
   if test $ac_cv_func_link = yes; then
-       rm -rf conftest.f conftest.f1 conftest.f2
-       if touch conftest.f conftest.f2 && ln conftest.f conftest.f1 &&
-           set x `ls -i conftest.f conftest.f1` && test "" = ""; then
-         if test "$cross_compiling" = yes
+       if test $cross_compiling != yes; then
+         rm -rf conftest.f conftest.f1 conftest.f2
+         if touch conftest.f conftest.f2 && ln conftest.f conftest.f1 &&
+             set x `ls -i conftest.f conftest.f1` && test "" = ""; then
+           if test "$cross_compiling" = yes
 then :
-             case "$host_os" in
-                               # Guess yes on Linux systems.
-              linux-* | linux) gl_cv_func_rename_link_works="guessing yes" ;;
-                               # Guess yes on glibc systems.
-              *-gnu*)          gl_cv_func_rename_link_works="guessing yes" ;;
-                               # Guess yes on native Windows.
-              mingw*)          gl_cv_func_rename_link_works="guessing yes" ;;
-                               # If we don't know, assume the worst.
-              *)               gl_cv_func_rename_link_works="guessing no" ;;
-            esac
+                :
 
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-#             include <errno.h>
-#             include <stdio.h>
-#             include <stdlib.h>
-#             include <unistd.h>
+#               include <errno.h>
+#               include <stdio.h>
+#               include <stdlib.h>
+#               include <unistd.h>
+
+
+$gl_mda_defines
 
 int
 main (void)
 {
 int result = 0;
-                if (rename ("conftest.f", "conftest.f1"))
-                  result |= 1;
-                if (unlink ("conftest.f1"))
-                  result |= 2;
+                  if (rename ("conftest.f", "conftest.f1"))
+                    result |= 1;
+                  if (unlink ("conftest.f1"))
+                    result |= 2;
 
-                /* Allow either the POSIX-required behavior, where the
-                   previous rename kept conftest.f, or the (better) NetBSD
-                   behavior, where it removed conftest.f.  */
-                if (rename ("conftest.f", "conftest.f") != 0
-                    && errno != ENOENT)
-                  result |= 4;
+                  /* Allow either the POSIX-required behavior, where the
+                     previous rename kept conftest.f, or the (better) NetBSD
+                     behavior, where it removed conftest.f.  */
+                  if (rename ("conftest.f", "conftest.f") != 0
+                      && errno != ENOENT)
+                    result |= 4;
 
-                if (rename ("conftest.f1", "conftest.f1") == 0)
-                  result |= 8;
-                if (rename ("conftest.f2", "conftest.f2") != 0)
-                  result |= 16;
-                return result;
+                  if (rename ("conftest.f1", "conftest.f1") == 0)
+                    result |= 8;
+                  if (rename ("conftest.f2", "conftest.f2") != 0)
+                    result |= 16;
+                  return result;
 
   ;
   return 0;
@@ -23250,10 +27601,22 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+         else
+           gl_cv_func_rename_link_works="guessing no"
+         fi
+         rm -rf conftest.f conftest.f1 conftest.f2
        else
-         gl_cv_func_rename_link_works="guessing no"
+                  case "$host_os" in
+                            # Guess yes on Linux systems.
+           linux-* | linux) gl_cv_func_rename_link_works="guessing yes" ;;
+                            # Guess yes on glibc systems.
+           *-gnu*)          gl_cv_func_rename_link_works="guessing yes" ;;
+                            # Guess yes on native Windows.
+           mingw*)          gl_cv_func_rename_link_works="guessing yes" ;;
+                            # If we don't know, obey --enable-cross-guesses.
+           *)               gl_cv_func_rename_link_works="$gl_cross_guess_normal" ;;
+         esac
        fi
-       rm -rf conftest.f conftest.f1 conftest.f2
      else
        gl_cv_func_rename_link_works=yes
      fi
@@ -23289,8 +27652,8 @@ then :
          *-gnu*)          gl_cv_func_rename_dest_works="guessing yes" ;;
                           # Guess no on native Windows.
          mingw*)          gl_cv_func_rename_dest_works="guessing no" ;;
-                          # If we don't know, assume the worst.
-         *)               gl_cv_func_rename_dest_works="guessing no" ;;
+                          # If we don't know, obey --enable-cross-guesses.
+         *)               gl_cv_func_rename_dest_works="$gl_cross_guess_normal" ;;
        esac
 
 else $as_nop
@@ -23339,24 +27702,30 @@ printf "%s\n" "#define RENAME_DEST_EXISTS_BUG 1" >>confdefs.h
       ;;
   esac
 
-  if test $REPLACE_RENAME = 1; then
-
-
-
 
+     if test $REPLACE_RENAME = 1; then
+  GL_COND_OBJ_RENAME_TRUE=
+  GL_COND_OBJ_RENAME_FALSE='#'
+else
+  GL_COND_OBJ_RENAME_TRUE='#'
+  GL_COND_OBJ_RENAME_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_RENAME_TRUE}" && test -z "${GL_COND_OBJ_RENAME_FALSE}"; then
+    GL_COND_OBJ_RENAME_TRUE='#'
+    GL_COND_OBJ_RENAME_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS rename.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_RENAME=1
+          GL_GNULIB_RENAME=1
 
 
 
@@ -23385,36 +27754,42 @@ fi
         REPLACE_RENAMEAT=1
   fi
 
-  if test $HAVE_RENAMEAT = 0 || test $REPLACE_RENAMEAT = 1; then
-
-
-
 
+     if test $HAVE_RENAMEAT = 0 || test $REPLACE_RENAMEAT = 1; then
+  GL_COND_OBJ_RENAMEAT_TRUE=
+  GL_COND_OBJ_RENAMEAT_FALSE='#'
+else
+  GL_COND_OBJ_RENAMEAT_TRUE='#'
+  GL_COND_OBJ_RENAMEAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_RENAMEAT_TRUE}" && test -z "${GL_COND_OBJ_RENAMEAT_FALSE}"; then
+    GL_COND_OBJ_RENAMEAT_TRUE='#'
+    GL_COND_OBJ_RENAMEAT_FALSE='#'
+  fi
 
+  if test $HAVE_RENAMEAT = 0; then
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS renameat.$ac_objext"
 
-  fi
-  if test $HAVE_RENAMEAT = 0; then
 
 
 
 
+  gl_LIBOBJS="$gl_LIBOBJS at-func2.$ac_objext"
 
+  fi
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS at-func2.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_RENAMEAT=1
+          GL_GNULIB_RENAMEAT=1
 
 
 
@@ -23475,8 +27850,8 @@ then :
           *-gnu* | gnu*)   gl_cv_func_rmdir_works="guessing yes" ;;
                            # Guess no on native Windows.
           mingw*)          gl_cv_func_rmdir_works="guessing no" ;;
-                           # If we don't know, assume the worst.
-          *)               gl_cv_func_rmdir_works="guessing no" ;;
+                           # If we don't know, obey --enable-cross-guesses.
+          *)               gl_cv_func_rmdir_works="$gl_cross_guess_normal" ;;
         esac
 
 else $as_nop
@@ -23490,17 +27865,20 @@ else $as_nop
            # include <direct.h>
            #endif
 
+
+$gl_mda_defines
+
 int
 main (void)
 {
 int result = 0;
-      if (!rmdir ("conftest.file/"))
-        result |= 1;
-      else if (errno != ENOTDIR)
-        result |= 2;
-      if (!rmdir ("conftest.dir/./"))
-        result |= 4;
-      return result;
+           if (!rmdir ("conftest.file/"))
+             result |= 1;
+           else if (errno != ENOTDIR)
+             result |= 2;
+           if (!rmdir ("conftest.dir/./"))
+             result |= 4;
+           return result;
 
   ;
   return 0;
@@ -23527,30 +27905,38 @@ printf "%s\n" "$gl_cv_func_rmdir_works" >&6; }
       ;;
   esac
 
-  if test $REPLACE_RMDIR = 1; then
-
 
+     if test $REPLACE_RMDIR = 1; then
+  GL_COND_OBJ_RMDIR_TRUE=
+  GL_COND_OBJ_RMDIR_FALSE='#'
+else
+  GL_COND_OBJ_RMDIR_TRUE='#'
+  GL_COND_OBJ_RMDIR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_RMDIR_TRUE}" && test -z "${GL_COND_OBJ_RMDIR_FALSE}"; then
+    GL_COND_OBJ_RMDIR_TRUE='#'
+    GL_COND_OBJ_RMDIR_FALSE='#'
+  fi
 
 
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS rmdir.$ac_objext"
 
-  fi
 
 
 
+          GL_GNULIB_RMDIR=1
 
 
-          GNULIB_RMDIR=1
 
 
 
+printf "%s\n" "#define GNULIB_TEST_RMDIR 1" >>confdefs.h
 
 
-printf "%s\n" "#define GNULIB_TEST_RMDIR 1" >>confdefs.h
 
 
 
@@ -23559,7 +27945,7 @@ printf "%s\n" "#define GNULIB_TEST_RMDIR 1" >>confdefs.h
 
 
 
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for signbit macro" >&5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for signbit macro" >&5
 printf %s "checking for signbit macro... " >&6; }
 if test ${gl_cv_func_signbit+y}
 then :
@@ -23571,10 +27957,12 @@ then :
   case "$host_os" in
                           # Guess yes on glibc systems.
            *-gnu* | gnu*) gl_cv_func_signbit="guessing yes" ;;
+                          # Guess yes on musl systems.
+           *-musl*)       gl_cv_func_signbit="guessing yes" ;;
                           # Guess yes on native Windows.
            mingw*)        gl_cv_func_signbit="guessing yes" ;;
-                          # If we don't know, assume the worst.
-           *)             gl_cv_func_signbit="guessing no" ;;
+                          # If we don't know, obey --enable-cross-guesses.
+           *)             gl_cv_func_signbit="$gl_cross_guess_normal" ;;
          esac
 
 else $as_nop
@@ -23684,7 +28072,7 @@ fi
 printf "%s\n" "$gl_cv_func_signbit" >&6; }
           { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for signbit compiler built-ins" >&5
 printf %s "checking for signbit compiler built-ins... " >&6; }
-if test ${gl_cv_func_signbit_gcc+y}
+if test ${gl_cv_func_signbit_builtins+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
@@ -23693,23 +28081,25 @@ else $as_nop
 then :
   case "$host_os" in
                           # Guess yes on glibc systems.
-           *-gnu* | gnu*) gl_cv_func_signbit_gcc="guessing yes" ;;
+           *-gnu* | gnu*) gl_cv_func_signbit_builtins="guessing yes" ;;
+                          # Guess yes on musl systems.
+           *-musl*)       gl_cv_func_signbit_builtins="guessing yes" ;;
                           # Guess yes on mingw, no on MSVC.
            mingw*)        if test -n "$GCC"; then
-                            gl_cv_func_signbit_gcc="guessing yes"
+                            gl_cv_func_signbit_builtins="guessing yes"
                           else
-                            gl_cv_func_signbit_gcc="guessing no"
+                            gl_cv_func_signbit_builtins="guessing no"
                           fi
                           ;;
-                          # If we don't know, assume the worst.
-           *)             gl_cv_func_signbit_gcc="guessing no" ;;
+                          # If we don't know, obey --enable-cross-guesses.
+           *)             gl_cv_func_signbit_builtins="$gl_cross_guess_normal" ;;
          esac
 
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-#if __GNUC__ >= 4
+#if (__GNUC__ >= 4) || (__clang_major__ >= 4)
 # define signbit(x) \
    (sizeof (x) == sizeof (long double) ? __builtin_signbitl (x) : \
     sizeof (x) == sizeof (double) ? __builtin_signbit (x) : \
@@ -23795,9 +28185,9 @@ long double m0l = -p0l;
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  gl_cv_func_signbit_gcc=yes
+  gl_cv_func_signbit_builtins=yes
 else $as_nop
-  gl_cv_func_signbit_gcc=no
+  gl_cv_func_signbit_builtins=no
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
@@ -23805,17 +28195,27 @@ fi
 
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_signbit_gcc" >&5
-printf "%s\n" "$gl_cv_func_signbit_gcc" >&6; }
-      case "$gl_cv_func_signbit_gcc" in
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_signbit_builtins" >&5
+printf "%s\n" "$gl_cv_func_signbit_builtins" >&6; }
+      case "$gl_cv_func_signbit_builtins" in
     *yes)
-      REPLACE_SIGNBIT_USING_GCC=1
+      REPLACE_SIGNBIT_USING_BUILTINS=1
       ;;
     *)
       case "$gl_cv_func_signbit" in
         *yes) ;;
         *)
                     REPLACE_SIGNBIT=1
+          ;;
+      esac
+      ;;
+  esac
+          case "$host_os" in
+    solaris*)
+      REPLACE_SIGNBIT=1
+      ;;
+  esac
+  if test $REPLACE_SIGNBIT = 1; then
 
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking where to find the sign bit in a 'float'" >&5
@@ -24134,8 +28534,8 @@ printf "%s\n" "#define LDBL_SIGNBIT_BIT $bit" >>confdefs.h
   esac
 
 
-          if test "$gl_cv_cc_float_signbit" = unknown; then
-                        ac_fn_check_decl "$LINENO" "copysignf" "ac_cv_have_decl_copysignf" "#include <math.h>
+    if test "$gl_cv_cc_float_signbit" = unknown; then
+            ac_fn_check_decl "$LINENO" "copysignf" "ac_cv_have_decl_copysignf" "#include <math.h>
 " "$ac_c_undeclared_builtin_options" "CFLAGS"
 if test "x$ac_cv_have_decl_copysignf" = xyes
 then :
@@ -24145,18 +28545,18 @@ else $as_nop
 fi
 printf "%s\n" "#define HAVE_DECL_COPYSIGNF $ac_have_decl" >>confdefs.h
 
-            if test "$ac_cv_have_decl_copysignf" = yes; then
-                            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether copysignf can be used without linking with libm" >&5
+      if test "$ac_cv_have_decl_copysignf" = yes; then
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether copysignf can be used without linking with libm" >&5
 printf %s "checking whether copysignf can be used without linking with libm... " >&6; }
 if test ${gl_cv_func_copysignf_no_libm+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
 
-                  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <math.h>
-                         float x, y;
+                   float x, y;
 int
 main (void)
 {
@@ -24177,15 +28577,15 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_copysignf_no_libm" >&5
 printf "%s\n" "$gl_cv_func_copysignf_no_libm" >&6; }
-              if test $gl_cv_func_copysignf_no_libm = yes; then
+        if test $gl_cv_func_copysignf_no_libm = yes; then
 
 printf "%s\n" "#define HAVE_COPYSIGNF_IN_LIBC 1" >>confdefs.h
 
-              fi
-            fi
-          fi
-          if test "$gl_cv_cc_double_signbit" = unknown; then
-                        ac_fn_check_decl "$LINENO" "copysign" "ac_cv_have_decl_copysign" "#include <math.h>
+        fi
+      fi
+    fi
+    if test "$gl_cv_cc_double_signbit" = unknown; then
+            ac_fn_check_decl "$LINENO" "copysign" "ac_cv_have_decl_copysign" "#include <math.h>
 " "$ac_c_undeclared_builtin_options" "CFLAGS"
 if test "x$ac_cv_have_decl_copysign" = xyes
 then :
@@ -24195,18 +28595,18 @@ else $as_nop
 fi
 printf "%s\n" "#define HAVE_DECL_COPYSIGN $ac_have_decl" >>confdefs.h
 
-            if test "$ac_cv_have_decl_copysign" = yes; then
-                            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether copysign can be used without linking with libm" >&5
+      if test "$ac_cv_have_decl_copysign" = yes; then
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether copysign can be used without linking with libm" >&5
 printf %s "checking whether copysign can be used without linking with libm... " >&6; }
 if test ${gl_cv_func_copysign_no_libm+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
 
-                  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <math.h>
-                         double x, y;
+                   double x, y;
 int
 main (void)
 {
@@ -24227,15 +28627,15 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_copysign_no_libm" >&5
 printf "%s\n" "$gl_cv_func_copysign_no_libm" >&6; }
-              if test $gl_cv_func_copysign_no_libm = yes; then
+        if test $gl_cv_func_copysign_no_libm = yes; then
 
 printf "%s\n" "#define HAVE_COPYSIGN_IN_LIBC 1" >>confdefs.h
 
-              fi
-            fi
-          fi
-          if test "$gl_cv_cc_long_double_signbit" = unknown; then
-                        ac_fn_check_decl "$LINENO" "copysignl" "ac_cv_have_decl_copysignl" "#include <math.h>
+        fi
+      fi
+    fi
+    if test "$gl_cv_cc_long_double_signbit" = unknown; then
+            ac_fn_check_decl "$LINENO" "copysignl" "ac_cv_have_decl_copysignl" "#include <math.h>
 " "$ac_c_undeclared_builtin_options" "CFLAGS"
 if test "x$ac_cv_have_decl_copysignl" = xyes
 then :
@@ -24245,18 +28645,18 @@ else $as_nop
 fi
 printf "%s\n" "#define HAVE_DECL_COPYSIGNL $ac_have_decl" >>confdefs.h
 
-            if test "$ac_cv_have_decl_copysignl" = yes; then
-                            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether copysignl can be used without linking with libm" >&5
+      if test "$ac_cv_have_decl_copysignl" = yes; then
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether copysignl can be used without linking with libm" >&5
 printf %s "checking whether copysignl can be used without linking with libm... " >&6; }
 if test ${gl_cv_func_copysignl_no_libm+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
 
-                  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <math.h>
-                         long double x, y;
+                   long double x, y;
 int
 main (void)
 {
@@ -24277,56 +28677,39 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_copysignl_no_libm" >&5
 printf "%s\n" "$gl_cv_func_copysignl_no_libm" >&6; }
-              if test $gl_cv_func_copysignl_no_libm = yes; then
+        if test $gl_cv_func_copysignl_no_libm = yes; then
 
 printf "%s\n" "#define HAVE_COPYSIGNL_IN_LIBC 1" >>confdefs.h
 
-              fi
-            fi
-          fi
-          ;;
-      esac
-      ;;
-  esac
-
-  if test $REPLACE_SIGNBIT = 1; then
-
-
-
-
-
-
-
-
-  gl_LIBOBJS="$gl_LIBOBJS signbitf.$ac_objext"
-
-
-
-
-
-
-
-
-
-  gl_LIBOBJS="$gl_LIBOBJS signbitd.$ac_objext"
-
-
-
+        fi
+      fi
+    fi
+  fi
 
 
+     if test $REPLACE_SIGNBIT = 1; then
+  GL_COND_OBJ_SIGNBIT3_TRUE=
+  GL_COND_OBJ_SIGNBIT3_FALSE='#'
+else
+  GL_COND_OBJ_SIGNBIT3_TRUE='#'
+  GL_COND_OBJ_SIGNBIT3_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_SIGNBIT3_TRUE}" && test -z "${GL_COND_OBJ_SIGNBIT3_FALSE}"; then
+    GL_COND_OBJ_SIGNBIT3_TRUE='#'
+    GL_COND_OBJ_SIGNBIT3_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS signbitl.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_SIGNBIT=1
+          GL_GNULIB_SIGNBIT=1
 
 
 
@@ -24351,7 +28734,7 @@ then :
   printf %s "(cached) " >&6
 else $as_nop
 
-    gl_cv_size_max=
+    gl_cv_size_max=no
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -24371,7 +28754,7 @@ then :
 fi
 rm -rf conftest*
 
-    if test -z "$gl_cv_size_max"; then
+    if test $gl_cv_size_max != yes; then
                         if ac_fn_c_compute_int "$LINENO" "sizeof (size_t) * CHAR_BIT - 1" "size_t_bits_minus_1"        "#include <stddef.h>
 #include <limits.h>"
 then :
@@ -24491,8 +28874,8 @@ then :
               linux-* | linux) gl_cv_func_stat_file_slash="guessing yes" ;;
                                # Guess yes on glibc systems.
               *-gnu* | gnu*)   gl_cv_func_stat_file_slash="guessing yes" ;;
-                               # If we don't know, assume the worst.
-              *)               gl_cv_func_stat_file_slash="guessing no" ;;
+                               # If we don't know, obey --enable-cross-guesses.
+              *)               gl_cv_func_stat_file_slash="$gl_cross_guess_normal" ;;
             esac
 
 else $as_nop
@@ -24545,16 +28928,21 @@ printf "%s\n" "#define REPLACE_FUNC_STAT_FILE 1" >>confdefs.h
       ;;
   esac
 
-  if test $REPLACE_STAT = 1; then
-
-
-
-
-
-
 
+     if test $REPLACE_STAT = 1; then
+  GL_COND_OBJ_STAT_TRUE=
+  GL_COND_OBJ_STAT_FALSE='#'
+else
+  GL_COND_OBJ_STAT_TRUE='#'
+  GL_COND_OBJ_STAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_STAT_TRUE}" && test -z "${GL_COND_OBJ_STAT_FALSE}"; then
+    GL_COND_OBJ_STAT_TRUE='#'
+    GL_COND_OBJ_STAT_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS stat.$ac_objext"
+  if test -z "$GL_COND_OBJ_STAT_TRUE"; then :
 
     case "$host_os" in
       mingw*)
@@ -24572,15 +28960,21 @@ printf "%s\n" "#define REPLACE_FUNC_STAT_FILE 1" >>confdefs.h
     esac
 
 
+
   :
 
-  fi
+
+fi
+
+
+
+
 
 
 
 
 
-          GNULIB_STAT=1
+          GL_GNULIB_STAT=1
 
 
 
@@ -24728,50 +29122,44 @@ fi
 printf "%s\n" "#define GNULIB_STATAT 1" >>confdefs.h
 
 
-
-
-  # Define two additional variables used in the Makefile substitution.
-
-  if test "$ac_cv_header_stdbool_h" = yes; then
-    STDBOOL_H=''
-  else
-    STDBOOL_H='stdbool.h'
-  fi
-
-   if test -n "$STDBOOL_H"; then
-  GL_GENERATE_STDBOOL_H_TRUE=
-  GL_GENERATE_STDBOOL_H_FALSE='#'
-else
-  GL_GENERATE_STDBOOL_H_TRUE='#'
-  GL_GENERATE_STDBOOL_H_FALSE=
-fi
-
-
-  if test "$ac_cv_type__Bool" = yes; then
-    HAVE__BOOL=1
-  else
-    HAVE__BOOL=0
-  fi
-
-
-
-
-
-  STDDEF_H=
-
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for good max_align_t" >&5
-printf %s "checking for good max_align_t... " >&6; }
-if test ${gl_cv_type_max_align_t+y}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working stdalign.h" >&5
+printf %s "checking for working stdalign.h... " >&6; }
+if test ${gl_cv_header_working_stdalign_h+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <stddef.h>
-            unsigned int s = sizeof (max_align_t);
-            #if defined __GNUC__ || defined __IBM__ALIGNOF__
-            int check1[2 * (__alignof__ (double) <= __alignof__ (max_align_t)) - 1];
-            int check2[2 * (__alignof__ (long double) <= __alignof__ (max_align_t)) - 1];
+#include <stdint.h>
+            #include <stdalign.h>
+            #include <stddef.h>
+
+            /* Test that alignof yields a result consistent with offsetof.
+               This catches GCC bug 52023
+               <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.  */
+            #ifdef __cplusplus
+               template <class t> struct alignof_helper { char a; t b; };
+            # define ao(type) offsetof (alignof_helper<type>, b)
+            #else
+            # define ao(type) offsetof (struct { char a; type b; }, b)
+            #endif
+            char test_double[ao (double) % _Alignof (double) == 0 ? 1 : -1];
+            char test_long[ao (long int) % _Alignof (long int) == 0 ? 1 : -1];
+            char test_alignof[alignof (double) == _Alignof (double) ? 1 : -1];
+
+            /* Test _Alignas only on platforms where gnulib can help.  */
+            #if \
+                ((defined __cplusplus && 201103 <= __cplusplus) \
+                 || (__TINYC__ && defined __attribute__) \
+                 || (defined __APPLE__ && defined __MACH__ \
+                     ? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \
+                     : __GNUC__) \
+                 || (__ia64 && (61200 <= __HP_cc || 61200 <= __HP_aCC)) \
+                 || __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__ \
+                 || 1300 <= _MSC_VER)
+              struct alignas_test { char c; char alignas (8) alignas_8; };
+              char test_alignas[offsetof (struct alignas_test, alignas_8) == 8
+                                ? 1 : -1];
             #endif
 
 int
@@ -24784,69 +29172,148 @@ main (void)
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  gl_cv_type_max_align_t=yes
+  gl_cv_header_working_stdalign_h=yes
 else $as_nop
-  gl_cv_type_max_align_t=no
+  gl_cv_header_working_stdalign_h=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_working_stdalign_h" >&5
+printf "%s\n" "$gl_cv_header_working_stdalign_h" >&6; }
+
+  if test $gl_cv_header_working_stdalign_h = yes; then
+    GL_GENERATE_STDALIGN_H=false
+  else
+    GL_GENERATE_STDALIGN_H=true
+  fi
+
 
+
+
+
+  case "$GL_GENERATE_STDALIGN_H" in
+    false) STDALIGN_H='' ;;
+    true)
+                  if test -z "$STDALIGN_H"; then
+        STDALIGN_H="${gl_source_base_prefix}stdalign.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_STDALIGN_H is not set correctly" 1>&2; exit 1 ;;
+  esac
+
+
+     if $GL_GENERATE_STDALIGN_H; then
+  GL_GENERATE_STDALIGN_H_TRUE=
+  GL_GENERATE_STDALIGN_H_FALSE='#'
+else
+  GL_GENERATE_STDALIGN_H_TRUE='#'
+  GL_GENERATE_STDALIGN_H_FALSE=
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_type_max_align_t" >&5
-printf "%s\n" "$gl_cv_type_max_align_t" >&6; }
-  if test $gl_cv_type_max_align_t = no; then
-    HAVE_MAX_ALIGN_T=0
-    STDDEF_H=stddef.h
+:
+    if test -z "${GL_GENERATE_STDALIGN_H_TRUE}" && test -z "${GL_GENERATE_STDALIGN_H_FALSE}"; then
+    GL_GENERATE_STDALIGN_H_TRUE='#'
+    GL_GENERATE_STDALIGN_H_FALSE='#'
   fi
 
-  if test $gt_cv_c_wchar_t = no; then
-    HAVE_WCHAR_T=0
-    STDDEF_H=stddef.h
+
+
+
+
+
+
+
+
+
+          if test "$ac_cv_header_stdbool_h" = yes; then
+    case "$host_os" in
+      solaris*)
+        if test -z "$GCC"; then
+          GL_GENERATE_STDBOOL_H=true
+        else
+          GL_GENERATE_STDBOOL_H=false
+        fi
+        ;;
+      *)
+        GL_GENERATE_STDBOOL_H=false
+        ;;
+    esac
+  else
+    GL_GENERATE_STDBOOL_H=true
   fi
 
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether NULL can be used in arbitrary expressions" >&5
-printf %s "checking whether NULL can be used in arbitrary expressions... " >&6; }
-if test ${gl_cv_decl_null_works+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stddef.h>
-      int test[2 * (sizeof NULL == sizeof (void *)) -1];
+  if test "$ac_cv_type__Bool" = yes; then
+    HAVE__BOOL=1
+  else
+    HAVE__BOOL=0
+  fi
 
-int
-main (void)
-{
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  gl_cv_decl_null_works=yes
-else $as_nop
-  gl_cv_decl_null_works=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+
+
+
+  case "$GL_GENERATE_STDBOOL_H" in
+    false) STDBOOL_H='' ;;
+    true)
+                  if test -z "$STDBOOL_H"; then
+        STDBOOL_H="${gl_source_base_prefix}stdbool.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_STDBOOL_H is not set correctly" 1>&2; exit 1 ;;
+  esac
+
+
+     if $GL_GENERATE_STDBOOL_H; then
+  GL_GENERATE_STDBOOL_H_TRUE=
+  GL_GENERATE_STDBOOL_H_FALSE='#'
+else
+  GL_GENERATE_STDBOOL_H_TRUE='#'
+  GL_GENERATE_STDBOOL_H_FALSE=
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_decl_null_works" >&5
-printf "%s\n" "$gl_cv_decl_null_works" >&6; }
-  if test $gl_cv_decl_null_works = no; then
-    REPLACE_NULL=1
-    STDDEF_H=stddef.h
+:
+    if test -z "${GL_GENERATE_STDBOOL_H_TRUE}" && test -z "${GL_GENERATE_STDBOOL_H_FALSE}"; then
+    GL_GENERATE_STDBOOL_H_TRUE='#'
+    GL_GENERATE_STDBOOL_H_FALSE='#'
   fi
 
 
-   if test -n "$STDDEF_H"; then
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  case "$GL_GENERATE_STDDEF_H" in
+    false) STDDEF_H='' ;;
+    true)
+                  if test -z "$STDDEF_H"; then
+        STDDEF_H="${gl_source_base_prefix}stddef.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_STDDEF_H is not set correctly" 1>&2; exit 1 ;;
+  esac
+
+
+     if $GL_GENERATE_STDDEF_H; then
   GL_GENERATE_STDDEF_H_TRUE=
   GL_GENERATE_STDDEF_H_FALSE='#'
 else
   GL_GENERATE_STDDEF_H_TRUE='#'
   GL_GENERATE_STDDEF_H_FALSE=
 fi
-
-  if test -n "$STDDEF_H"; then
+:
+    if test -z "${GL_GENERATE_STDDEF_H_TRUE}" && test -z "${GL_GENERATE_STDDEF_H_FALSE}"; then
+    GL_GENERATE_STDDEF_H_TRUE='#'
+    GL_GENERATE_STDDEF_H_FALSE='#'
+  fi
 
 
 
@@ -24855,76 +29322,106 @@ fi
 
 
 
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_stddef_h='<'stddef.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <stddef.h>" >&5
-printf %s "checking absolute name of <stddef.h>... " >&6; }
-if test ${gl_cv_next_stddef_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
 
 
 
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stddef.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
+  case "$GL_GENERATE_STDINT_H" in
+    false) STDINT_H='' ;;
+    true)
+                  if test -z "$STDINT_H"; then
+        STDINT_H="${gl_source_base_prefix}stdint.h"
+      fi
+      ;;
+    *) echo "*** GL_GENERATE_STDINT_H is not set correctly" 1>&2; exit 1 ;;
   esac
 
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
+
+     if $GL_GENERATE_STDINT_H; then
+  GL_GENERATE_STDINT_H_TRUE=
+  GL_GENERATE_STDINT_H_FALSE='#'
+else
+  GL_GENERATE_STDINT_H_TRUE='#'
+  GL_GENERATE_STDINT_H_FALSE=
+fi
+:
+    if test -z "${GL_GENERATE_STDINT_H_TRUE}" && test -z "${GL_GENERATE_STDINT_H_FALSE}"; then
+    GL_GENERATE_STDINT_H_TRUE='#'
+    GL_GENERATE_STDINT_H_FALSE='#'
+  fi
+
+
+
+
+
+
+
+
+
+  case "$GL_GENERATE_LIMITS_H" in
+    false) LIMITS_H='' ;;
+    true)
+                  if test -z "$LIMITS_H"; then
+        LIMITS_H="${gl_source_base_prefix}limits.h"
+      fi
       ;;
+    *) echo "*** GL_GENERATE_LIMITS_H is not set correctly" 1>&2; exit 1 ;;
   esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'stddef.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
 
-        gl_cv_absolute_stddef_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_stddef_h
-           gl_cv_next_stddef_h='"'$gl_header'"'
+     if $GL_GENERATE_LIMITS_H; then
+  GL_GENERATE_LIMITS_H_TRUE=
+  GL_GENERATE_LIMITS_H_FALSE='#'
+else
+  GL_GENERATE_LIMITS_H_TRUE='#'
+  GL_GENERATE_LIMITS_H_FALSE=
+fi
+:
+    if test -z "${GL_GENERATE_LIMITS_H_TRUE}" && test -z "${GL_GENERATE_LIMITS_H_FALSE}"; then
+    GL_GENERATE_LIMITS_H_TRUE='#'
+    GL_GENERATE_LIMITS_H_FALSE='#'
+  fi
+
+
+
 
 
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_stddef_h" >&5
-printf "%s\n" "$gl_cv_next_stddef_h" >&6; }
-     fi
-     NEXT_STDDEF_H=$gl_cv_next_stddef_h
 
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'stddef.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_stddef_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_STDDEF_H=$gl_next_as_first_directive
 
 
 
 
+
+
+
+
+     if test $REPLACE_STDIO_READ_FUNCS = 1; then
+  GL_COND_OBJ_STDIO_READ_TRUE=
+  GL_COND_OBJ_STDIO_READ_FALSE='#'
+else
+  GL_COND_OBJ_STDIO_READ_TRUE='#'
+  GL_COND_OBJ_STDIO_READ_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_STDIO_READ_TRUE}" && test -z "${GL_COND_OBJ_STDIO_READ_FALSE}"; then
+    GL_COND_OBJ_STDIO_READ_TRUE='#'
+    GL_COND_OBJ_STDIO_READ_FALSE='#'
   fi
 
 
+     if test $REPLACE_STDIO_WRITE_FUNCS = 1; then
+  GL_COND_OBJ_STDIO_WRITE_TRUE=
+  GL_COND_OBJ_STDIO_WRITE_FALSE='#'
+else
+  GL_COND_OBJ_STDIO_WRITE_TRUE='#'
+  GL_COND_OBJ_STDIO_WRITE_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_STDIO_WRITE_TRUE}" && test -z "${GL_COND_OBJ_STDIO_WRITE_FALSE}"; then
+    GL_COND_OBJ_STDIO_WRITE_TRUE='#'
+    GL_COND_OBJ_STDIO_WRITE_FALSE='#'
+  fi
 
 
-  printf "%s\n" "#define __USE_MINGW_ANSI_STDIO 1" >>confdefs.h
 
 
 
@@ -24933,146 +29430,47 @@ printf "%s\n" "$gl_cv_next_stddef_h" >&6; }
 
 
 
+          GL_GNULIB_FSCANF=1
 
 
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_stdio_h='<'stdio.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <stdio.h>" >&5
-printf %s "checking absolute name of <stdio.h>... " >&6; }
-if test ${gl_cv_next_stdio_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
 
 
 
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdio.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
+printf "%s\n" "#define GNULIB_TEST_FSCANF 1" >>confdefs.h
 
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'stdio.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
 
-        gl_cv_absolute_stdio_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_stdio_h
-           gl_cv_next_stdio_h='"'$gl_header'"'
 
 
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_stdio_h" >&5
-printf "%s\n" "$gl_cv_next_stdio_h" >&6; }
-     fi
-     NEXT_STDIO_H=$gl_cv_next_stdio_h
+printf "%s\n" "#define GNULIB_FSCANF 1" >>confdefs.h
 
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'stdio.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_stdio_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_STDIO_H=$gl_next_as_first_directive
 
 
 
 
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking which flavor of printf attribute matches inttypes macros" >&5
-printf %s "checking which flavor of printf attribute matches inttypes macros... " >&6; }
-if test ${gl_cv_func_printf_attribute_flavor+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
 
-       #define __STDC_FORMAT_MACROS 1
-       #include <stdio.h>
-       #include <inttypes.h>
-       /* For non-mingw systems, compilation will trivially succeed.
-          For mingw, compilation will succeed for older mingw (system
-          printf, "I64d") and fail for newer mingw (gnu printf, "lld"). */
-       #if (defined _WIN32 && ! defined __CYGWIN__) && \
-         (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
-       extern char PRIdMAX_probe[sizeof PRIdMAX == sizeof "I64d" ? 1 : -1];
-       #endif
 
-int
-main (void)
-{
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"
-then :
-  gl_cv_func_printf_attribute_flavor=system
-else $as_nop
-  gl_cv_func_printf_attribute_flavor=gnu
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_printf_attribute_flavor" >&5
-printf "%s\n" "$gl_cv_func_printf_attribute_flavor" >&6; }
-  if test "$gl_cv_func_printf_attribute_flavor" = gnu; then
 
-printf "%s\n" "#define GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU 1" >>confdefs.h
 
-  fi
+          GL_GNULIB_SCANF=1
+
 
-      GNULIB_FSCANF=1
 
 
-printf "%s\n" "#define GNULIB_FSCANF 1" >>confdefs.h
+
+printf "%s\n" "#define GNULIB_TEST_SCANF 1" >>confdefs.h
+
 
 
-  GNULIB_SCANF=1
 
 
 printf "%s\n" "#define GNULIB_SCANF 1" >>confdefs.h
 
 
-  GNULIB_FGETC=1
-  GNULIB_GETC=1
-  GNULIB_GETCHAR=1
-  GNULIB_FGETS=1
-  GNULIB_FREAD=1
 
 
-      GNULIB_FPRINTF=1
-  GNULIB_PRINTF=1
-  GNULIB_VFPRINTF=1
-  GNULIB_VPRINTF=1
-  GNULIB_FPUTC=1
-  GNULIB_PUTC=1
-  GNULIB_PUTCHAR=1
-  GNULIB_FPUTS=1
-  GNULIB_PUTS=1
-  GNULIB_FWRITE=1
 
 
 
@@ -25080,76 +29478,280 @@ printf "%s\n" "#define GNULIB_SCANF 1" >>confdefs.h
 
 
 
+          GL_GNULIB_FGETC=1
 
 
 
 
 
+printf "%s\n" "#define GNULIB_TEST_FGETC 1" >>confdefs.h
 
 
 
 
 
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_stdlib_h='<'stdlib.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <stdlib.h>" >&5
-printf %s "checking absolute name of <stdlib.h>... " >&6; }
-if test ${gl_cv_next_stdlib_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
 
 
 
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
 
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'stdlib.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
 
-        gl_cv_absolute_stdlib_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_stdlib_h
-           gl_cv_next_stdlib_h='"'$gl_header'"'
+
+          GL_GNULIB_GETC=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_GETC 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_GETCHAR=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_GETCHAR 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_FGETS=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_FGETS 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_FREAD=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_FREAD 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_FPRINTF=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_FPRINTF 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_PRINTF=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_PRINTF 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_VFPRINTF=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_VFPRINTF 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_VPRINTF=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_VPRINTF 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_FPUTC=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_FPUTC 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_PUTC=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_PUTC 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_PUTCHAR=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_PUTCHAR 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_FPUTS=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_FPUTS 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_PUTS=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_PUTS 1" >>confdefs.h
 
 
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_stdlib_h" >&5
-printf "%s\n" "$gl_cv_next_stdlib_h" >&6; }
-     fi
-     NEXT_STDLIB_H=$gl_cv_next_stdlib_h
 
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'stdlib.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_stdlib_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_STDLIB_H=$gl_next_as_first_directive
+
+
+
+
+
+
+
+
+
+          GL_GNULIB_FWRITE=1
+
+
+
+
+
+printf "%s\n" "#define GNULIB_TEST_FWRITE 1" >>confdefs.h
+
 
 
 
@@ -25201,36 +29803,48 @@ printf "%s\n" "#define HAVE_DECL_STRNCASECMP $ac_have_decl" >>confdefs.h
   fi
 
 
-  if test $HAVE_STRCASECMP = 0; then
-
-
-
-
-
-
-
-
-  gl_LIBOBJS="$gl_LIBOBJS strcasecmp.$ac_objext"
-
-
-  :
 
+     if test $HAVE_STRCASECMP = 0; then
+  GL_COND_OBJ_STRCASECMP_TRUE=
+  GL_COND_OBJ_STRCASECMP_FALSE='#'
+else
+  GL_COND_OBJ_STRCASECMP_TRUE='#'
+  GL_COND_OBJ_STRCASECMP_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_STRCASECMP_TRUE}" && test -z "${GL_COND_OBJ_STRCASECMP_FALSE}"; then
+    GL_COND_OBJ_STRCASECMP_TRUE='#'
+    GL_COND_OBJ_STRCASECMP_FALSE='#'
   fi
-  if test $HAVE_STRNCASECMP = 0; then
-
 
+  if test -z "$GL_COND_OBJ_STRCASECMP_TRUE"; then :
 
 
+  :
 
 
+fi
 
+     if test $HAVE_STRNCASECMP = 0; then
+  GL_COND_OBJ_STRNCASECMP_TRUE=
+  GL_COND_OBJ_STRNCASECMP_FALSE='#'
+else
+  GL_COND_OBJ_STRNCASECMP_TRUE='#'
+  GL_COND_OBJ_STRNCASECMP_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_STRNCASECMP_TRUE}" && test -z "${GL_COND_OBJ_STRNCASECMP_FALSE}"; then
+    GL_COND_OBJ_STRNCASECMP_TRUE='#'
+    GL_COND_OBJ_STRNCASECMP_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS strncasecmp.$ac_objext"
+  if test -z "$GL_COND_OBJ_STRNCASECMP_TRUE"; then :
 
 
   :
 
-  fi
+
+fi
 
 
 
@@ -25247,7 +29861,7 @@ fi
   if test $ac_cv_func_strcasestr = no; then
     HAVE_STRCASESTR=0
   else
-    if test $HAVE_MEMCHR = 0 || test $REPLACE_MEMCHR = 1; then
+    if test $REPLACE_MEMCHR = 1; then
       REPLACE_STRCASESTR=1
     else
                   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether strcasestr works" >&5
@@ -25261,6 +29875,7 @@ then :
                                                               cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+#include <string.h> /* for __GNU_LIBRARY__ */
 #ifdef __GNU_LIBRARY__
  #include <features.h>
  #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ > 12) || (__GLIBC__ > 2)) \
@@ -25282,7 +29897,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 then :
   gl_cv_func_strcasestr_works_always="guessing yes"
 else $as_nop
-  gl_cv_func_strcasestr_works_always="guessing no"
+  gl_cv_func_strcasestr_works_always="$gl_cross_guess_normal"
 fi
 rm -rf conftest*
 
@@ -25291,7 +29906,7 @@ else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-#include <string.h> /* for strcasestr */
+#include <string.h> /* for __GNU_LIBRARY__, strcasestr */
 #ifdef __GNU_LIBRARY__
  #include <features.h>
  #if __GLIBC__ == 2 && __GLIBC_MINOR__ == 28
@@ -25354,49 +29969,70 @@ printf "%s\n" "$gl_cv_func_strcasestr_works_always" >&6; }
 
 
 
-          GNULIB_STRCASESTR=1
 
 
 
 
 
-printf "%s\n" "#define GNULIB_TEST_STRCASESTR 1" >>confdefs.h
 
 
 
 
+          GL_GNULIB_STRCASESTR=1
 
 
 
-  if test $ac_cv_func_strdup = yes; then
-    if test $gl_cv_func_malloc_posix != yes; then
-      REPLACE_STRDUP=1
-    fi
+
+
+printf "%s\n" "#define GNULIB_TEST_STRCASESTR 1" >>confdefs.h
+
+
+
+
+
+
+  if test $gl_cv_func_malloc_posix != yes; then
+    REPLACE_STRDUP=1
   fi
 
   if test $ac_cv_have_decl_strdup = no; then
     HAVE_DECL_STRDUP=0
   fi
 
-  if test $ac_cv_func_strdup = no || test $REPLACE_STRDUP = 1; then
 
+     if test $REPLACE_STRDUP = 1; then
+  GL_COND_OBJ_STRDUP_TRUE=
+  GL_COND_OBJ_STRDUP_FALSE='#'
+else
+  GL_COND_OBJ_STRDUP_TRUE='#'
+  GL_COND_OBJ_STRDUP_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_STRDUP_TRUE}" && test -z "${GL_COND_OBJ_STRDUP_FALSE}"; then
+    GL_COND_OBJ_STRDUP_TRUE='#'
+    GL_COND_OBJ_STRDUP_FALSE='#'
+  fi
+
+  if test -z "$GL_COND_OBJ_STRDUP_TRUE"; then :
+
+    :
 
+fi
 
 
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS strdup.$ac_objext"
 
-    :
-  fi
 
 
 
 
 
-          GNULIB_STRDUP=1
+
+
+          GL_GNULIB_STRDUP=1
 
 
 
@@ -25411,7 +30047,7 @@ printf "%s\n" "#define GNULIB_TEST_STRDUP 1" >>confdefs.h
 
 
 
-  if test "$ERRNO_H:$REPLACE_STRERROR_0" = :0; then
+  if test "$GL_GENERATE_ERRNO_H:$REPLACE_STRERROR_0" = false:0; then
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working strerror function" >&5
 printf %s "checking for working strerror function... " >&6; }
 if test ${gl_cv_func_working_strerror+y}
@@ -25423,8 +30059,10 @@ then :
   case "$host_os" in
                           # Guess yes on glibc systems.
            *-gnu* | gnu*) gl_cv_func_working_strerror="guessing yes" ;;
-                          # If we don't know, assume the worst.
-           *)             gl_cv_func_working_strerror="guessing no" ;;
+                          # Guess yes on musl systems.
+           *-musl*)       gl_cv_func_working_strerror="guessing yes" ;;
+                          # If we don't know, obey --enable-cross-guesses.
+           *)             gl_cv_func_working_strerror="$gl_cross_guess_normal" ;;
          esac
 
 else $as_nop
@@ -25465,21 +30103,26 @@ printf "%s\n" "$gl_cv_func_working_strerror" >&6; }
             REPLACE_STRERROR=1
   fi
 
-  if test $REPLACE_STRERROR = 1; then
-
-
-
-
 
+     if test $REPLACE_STRERROR = 1; then
+  GL_COND_OBJ_STRERROR_TRUE=
+  GL_COND_OBJ_STRERROR_FALSE='#'
+else
+  GL_COND_OBJ_STRERROR_TRUE='#'
+  GL_COND_OBJ_STRERROR_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_STRERROR_TRUE}" && test -z "${GL_COND_OBJ_STRERROR_FALSE}"; then
+    GL_COND_OBJ_STRERROR_TRUE='#'
+    GL_COND_OBJ_STRERROR_FALSE='#'
+  fi
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS strerror.$ac_objext"
+printf "%s\n" "#define GNULIB_STRERROR 1" >>confdefs.h
 
-  fi
 
 
-printf "%s\n" "#define GNULIB_STRERROR 1" >>confdefs.h
 
 
 
@@ -25487,28 +30130,39 @@ printf "%s\n" "#define GNULIB_STRERROR 1" >>confdefs.h
 
 
 
-          GNULIB_STRERROR=1
 
 
 
 
 
-printf "%s\n" "#define GNULIB_TEST_STRERROR 1" >>confdefs.h
 
+          GL_GNULIB_STRERROR=1
 
 
 
 
-  if test -n "$ERRNO_H" || test $REPLACE_STRERROR_0 = 1; then
 
+printf "%s\n" "#define GNULIB_TEST_STRERROR 1" >>confdefs.h
 
 
 
 
 
 
+     if test -n "$ERRNO_H" || test $REPLACE_STRERROR_0 = 1; then
+  GL_COND_OBJ_STRERROR_OVERRIDE_TRUE=
+  GL_COND_OBJ_STRERROR_OVERRIDE_FALSE='#'
+else
+  GL_COND_OBJ_STRERROR_OVERRIDE_TRUE='#'
+  GL_COND_OBJ_STRERROR_OVERRIDE_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_STRERROR_OVERRIDE_TRUE}" && test -z "${GL_COND_OBJ_STRERROR_OVERRIDE_FALSE}"; then
+    GL_COND_OBJ_STRERROR_OVERRIDE_TRUE='#'
+    GL_COND_OBJ_STRERROR_OVERRIDE_FALSE='#'
+  fi
 
-  gl_LIBOBJS="$gl_LIBOBJS strerror-override.$ac_objext"
+  if test -z "$GL_COND_OBJ_STRERROR_OVERRIDE_TRUE"; then :
 
 
 
@@ -25532,7 +30186,9 @@ fi
   fi
 
 
-  fi
+
+fi
+
 
 
 
@@ -25540,7 +30196,6 @@ fi
 
 
 
-  if test $REPLACE_STRNCAT = 1; then
 
 
 
@@ -25549,18 +30204,46 @@ fi
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS strncat.$ac_objext"
 
 
-  :
 
+
+
+     if test $REPLACE_STRNCAT = 1; then
+  GL_COND_OBJ_STRNCAT_TRUE=
+  GL_COND_OBJ_STRNCAT_FALSE='#'
+else
+  GL_COND_OBJ_STRNCAT_TRUE='#'
+  GL_COND_OBJ_STRNCAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_STRNCAT_TRUE}" && test -z "${GL_COND_OBJ_STRNCAT_FALSE}"; then
+    GL_COND_OBJ_STRNCAT_TRUE='#'
+    GL_COND_OBJ_STRNCAT_FALSE='#'
   fi
 
+  if test -z "$GL_COND_OBJ_STRNCAT_TRUE"; then :
+
+
+  :
+
+
+fi
+
+
+
 
 
 
 
-          GNULIB_STRNCAT=1
+
+
+
+
+
+
+
+          GL_GNULIB_STRNCAT=1
 
 
 
@@ -25589,8 +30272,8 @@ then :
             linux-* | linux) gl_cv_func_symlink_works="guessing yes" ;;
                              # Guess yes on glibc systems.
             *-gnu* | gnu*)   gl_cv_func_symlink_works="guessing yes" ;;
-                             # If we don't know, assume the worst.
-            *)               gl_cv_func_symlink_works="guessing no" ;;
+                             # If we don't know, obey --enable-cross-guesses.
+            *)               gl_cv_func_symlink_works="$gl_cross_guess_normal" ;;
           esac
 
 else $as_nop
@@ -25636,24 +30319,30 @@ printf "%s\n" "$gl_cv_func_symlink_works" >&6; }
     esac
   fi
 
-  if test $HAVE_SYMLINK = 0 || test $REPLACE_SYMLINK = 1; then
-
-
 
+     if test $HAVE_SYMLINK = 0 || test $REPLACE_SYMLINK = 1; then
+  GL_COND_OBJ_SYMLINK_TRUE=
+  GL_COND_OBJ_SYMLINK_FALSE='#'
+else
+  GL_COND_OBJ_SYMLINK_TRUE='#'
+  GL_COND_OBJ_SYMLINK_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_SYMLINK_TRUE}" && test -z "${GL_COND_OBJ_SYMLINK_FALSE}"; then
+    GL_COND_OBJ_SYMLINK_TRUE='#'
+    GL_COND_OBJ_SYMLINK_FALSE='#'
+  fi
 
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS symlink.$ac_objext"
 
-  fi
 
 
 
 
-
-          GNULIB_SYMLINK=1
+          GL_GNULIB_SYMLINK=1
 
 
 
@@ -25684,8 +30373,8 @@ then :
             linux-* | linux) gl_cv_func_symlinkat_works="guessing yes" ;;
                              # Guess yes on glibc systems.
             *-gnu* | gnu*)   gl_cv_func_symlinkat_works="guessing yes" ;;
-                             # If we don't know, assume the worst.
-            *)               gl_cv_func_symlinkat_works="guessing no" ;;
+                             # If we don't know, obey --enable-cross-guesses.
+            *)               gl_cv_func_symlinkat_works="$gl_cross_guess_normal" ;;
           esac
 
 else $as_nop
@@ -25732,113 +30421,36 @@ printf "%s\n" "$gl_cv_func_symlinkat_works" >&6; }
     esac
   fi
 
-  if test $HAVE_SYMLINKAT = 0 || test $REPLACE_SYMLINKAT = 1; then
-
-
-
-
-
-
-
-
-  gl_LIBOBJS="$gl_LIBOBJS symlinkat.$ac_objext"
 
+     if test $HAVE_SYMLINKAT = 0 || test $REPLACE_SYMLINKAT = 1; then
+  GL_COND_OBJ_SYMLINKAT_TRUE=
+  GL_COND_OBJ_SYMLINKAT_FALSE='#'
+else
+  GL_COND_OBJ_SYMLINKAT_TRUE='#'
+  GL_COND_OBJ_SYMLINKAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_SYMLINKAT_TRUE}" && test -z "${GL_COND_OBJ_SYMLINKAT_FALSE}"; then
+    GL_COND_OBJ_SYMLINKAT_TRUE='#'
+    GL_COND_OBJ_SYMLINKAT_FALSE='#'
   fi
 
 
 
 
 
-          GNULIB_SYMLINKAT=1
-
-
-
-
-
-printf "%s\n" "#define GNULIB_TEST_SYMLINKAT 1" >>confdefs.h
-
-
-
-
-
-
-
-
-
-
 
 
 
 
 
+          GL_GNULIB_SYMLINKAT=1
 
 
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_sys_stat_h='<'sys/stat.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <sys/stat.h>" >&5
-printf %s "checking absolute name of <sys/stat.h>... " >&6; }
-if test ${gl_cv_next_sys_stat_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-
-             if test $ac_cv_header_sys_stat_h = yes; then
 
 
 
-
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/stat.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
-
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'sys/stat.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
-
-        gl_cv_absolute_sys_stat_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
-
-           gl_header=$gl_cv_absolute_sys_stat_h
-           gl_cv_next_sys_stat_h='"'$gl_header'"'
-          else
-               gl_cv_next_sys_stat_h='<'sys/stat.h'>'
-             fi
-
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_sys_stat_h" >&5
-printf "%s\n" "$gl_cv_next_sys_stat_h" >&6; }
-     fi
-     NEXT_SYS_STAT_H=$gl_cv_next_sys_stat_h
-
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'sys/stat.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_sys_stat_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H=$gl_next_as_first_directive
+printf "%s\n" "#define GNULIB_TEST_SYMLINKAT 1" >>confdefs.h
 
 
 
@@ -25847,7 +30459,6 @@ printf "%s\n" "$gl_cv_next_sys_stat_h" >&6; }
 
 
 
-    WINDOWS_STAT_TIMESPEC=0
 
 
 
@@ -25856,18 +30467,6 @@ printf "%s\n" "$gl_cv_next_sys_stat_h" >&6; }
 
 
 
-      ac_fn_c_check_type "$LINENO" "nlink_t" "ac_cv_type_nlink_t" "#include <sys/types.h>
-     #include <sys/stat.h>
-"
-if test "x$ac_cv_type_nlink_t" = xyes
-then :
-
-else $as_nop
-
-printf "%s\n" "#define nlink_t int" >>confdefs.h
-
-fi
-
 
 
 
@@ -25896,96 +30495,6 @@ fi
 
 
 
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_unistd_h='<'unistd.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <unistd.h>" >&5
-printf %s "checking absolute name of <unistd.h>... " >&6; }
-if test ${gl_cv_next_unistd_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-
-             if test $ac_cv_header_unistd_h = yes; then
-
-
-
-
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <unistd.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
-
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'unistd.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
-
-        gl_cv_absolute_unistd_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
-
-           gl_header=$gl_cv_absolute_unistd_h
-           gl_cv_next_unistd_h='"'$gl_header'"'
-          else
-               gl_cv_next_unistd_h='<'unistd.h'>'
-             fi
-
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_unistd_h" >&5
-printf "%s\n" "$gl_cv_next_unistd_h" >&6; }
-     fi
-     NEXT_UNISTD_H=$gl_cv_next_unistd_h
-
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'unistd.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_unistd_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_UNISTD_H=$gl_next_as_first_directive
-
-
-
-
-  if test $ac_cv_header_unistd_h = yes; then
-    HAVE_UNISTD_H=1
-  else
-    HAVE_UNISTD_H=0
-  fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
 
 
 
@@ -26009,8 +30518,8 @@ then :
          *-gnu*)          gl_cv_func_unlink_honors_slashes="guessing yes" ;;
                           # Guess no on native Windows.
          mingw*)          gl_cv_func_unlink_honors_slashes="guessing no" ;;
-                          # If we don't know, assume the worst.
-         *)               gl_cv_func_unlink_honors_slashes="guessing no" ;;
+                          # If we don't know, obey --enable-cross-guesses.
+         *)               gl_cv_func_unlink_honors_slashes="$gl_cross_guess_normal" ;;
        esac
 
 else $as_nop
@@ -26023,6 +30532,9 @@ else $as_nop
            #endif
            #include <errno.h>
 
+
+$gl_mda_defines
+
 int
 main (void)
 {
@@ -26091,8 +30603,8 @@ else $as_nop
            export GL_SUBDIR_FOR_UNLINK
            if test "$cross_compiling" = yes
 then :
-  # If we don't know, assume the worst.
-              gl_cv_func_unlink_parent_fails="guessing no"
+  # If we don't know, obey --enable-cross-guesses.
+              gl_cv_func_unlink_parent_fails="$gl_cross_guess_normal"
 
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -26105,6 +30617,10 @@ else $as_nop
                 # include <direct.h>
                 # include <io.h>
                 #endif
+
+
+$gl_mda_defines
+
                 int main ()
                 {
                   int result = 0;
@@ -26149,24 +30665,30 @@ printf "%s\n" "#define UNLINK_PARENT_BUG 1" >>confdefs.h
       ;;
   esac
 
-  if test $REPLACE_UNLINK = 1; then
-
-
-
 
+     if test $REPLACE_UNLINK = 1; then
+  GL_COND_OBJ_UNLINK_TRUE=
+  GL_COND_OBJ_UNLINK_FALSE='#'
+else
+  GL_COND_OBJ_UNLINK_TRUE='#'
+  GL_COND_OBJ_UNLINK_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_UNLINK_TRUE}" && test -z "${GL_COND_OBJ_UNLINK_FALSE}"; then
+    GL_COND_OBJ_UNLINK_TRUE='#'
+    GL_COND_OBJ_UNLINK_FALSE='#'
+  fi
 
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS unlink.$ac_objext"
 
-  fi
 
 
 
 
 
-          GNULIB_UNLINK=1
+          GL_GNULIB_UNLINK=1
 
 
 
@@ -26201,189 +30723,170 @@ printf "%s\n" "#define GNULIB_TEST_UNLINK 1" >>confdefs.h
     esac
   fi
 
-  if test $HAVE_UNLINKAT = 0 || test $REPLACE_UNLINKAT = 1; then
-
-
-
-
-
-
-
-
-  gl_LIBOBJS="$gl_LIBOBJS unlinkat.$ac_objext"
 
+     if test $HAVE_UNLINKAT = 0 || test $REPLACE_UNLINKAT = 1; then
+  GL_COND_OBJ_UNLINKAT_TRUE=
+  GL_COND_OBJ_UNLINKAT_FALSE='#'
+else
+  GL_COND_OBJ_UNLINKAT_TRUE='#'
+  GL_COND_OBJ_UNLINKAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_UNLINKAT_TRUE}" && test -z "${GL_COND_OBJ_UNLINKAT_FALSE}"; then
+    GL_COND_OBJ_UNLINKAT_TRUE='#'
+    GL_COND_OBJ_UNLINKAT_FALSE='#'
   fi
 
 
 
 
 
-          GNULIB_UNLINKAT=1
-
-
-
-
-
-printf "%s\n" "#define GNULIB_TEST_UNLINKAT 1" >>confdefs.h
-
-
-
-
-
-
-
-  if test $ac_cv_func_utime = no; then
-    HAVE_UTIME=0
-  else
-    case "$host_os" in
-      mingw*)
-                        REPLACE_UTIME=1
-        ;;
-    esac
-  fi
-
-  if test $HAVE_UTIME = 0 || test $REPLACE_UTIME = 1; then
-
-
 
 
 
 
 
+          GL_GNULIB_UNLINKAT=1
 
-  gl_LIBOBJS="$gl_LIBOBJS utime.$ac_objext"
 
-    :
-  fi
 
 
 
+printf "%s\n" "#define GNULIB_TEST_UNLINKAT 1" >>confdefs.h
 
 
-          GNULIB_UTIME=1
 
 
 
 
 
-printf "%s\n" "#define GNULIB_TEST_UTIME 1" >>confdefs.h
+  case "$host_os" in
+    mingw*)
+                                    REPLACE_UTIME=1
+      ;;
+    *)
+      ac_fn_c_check_func "$LINENO" "utime" "ac_cv_func_utime"
+if test "x$ac_cv_func_utime" = xyes
+then :
+  printf "%s\n" "#define HAVE_UTIME 1" >>confdefs.h
 
+fi
 
+      if test $ac_cv_func_utime = no; then
+        HAVE_UTIME=0
+      else
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether utime handles trailing slashes on files" >&5
+printf %s "checking whether utime handles trailing slashes on files... " >&6; }
+if test ${gl_cv_func_utime_file_slash+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  touch conftest.tmp
+           # Assume that if we have lstat, we can also check symlinks.
+           if test $ac_cv_func_lstat = yes; then
+             ln -s conftest.tmp conftest.lnk
+           fi
+           if test "$cross_compiling" = yes
+then :
+  case "$host_os" in
+                                 # Guess yes on Linux systems.
+                linux-* | linux) gl_cv_func_utime_file_slash="guessing yes" ;;
+                                 # Guess yes on glibc systems.
+                *-gnu* | gnu*)   gl_cv_func_utime_file_slash="guessing yes" ;;
+                                 # Guess no on macOS.
+                darwin*)         gl_cv_func_utime_file_slash="guessing no" ;;
+                                 # If we don't know, obey --enable-cross-guesses.
+                *)               gl_cv_func_utime_file_slash="$gl_cross_guess_normal" ;;
+              esac
 
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stddef.h>
+                 #include <utime.h>
 
+int
+main (void)
+{
+int result = 0;
+                 if (!utime ("conftest.tmp/", NULL))
+                   result |= 1;
+                 #if HAVE_LSTAT
+                 if (!utime ("conftest.lnk/", NULL))
+                   result |= 2;
+                 #endif
+                 return result;
 
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+  gl_cv_func_utime_file_slash=yes
+else $as_nop
+  gl_cv_func_utime_file_slash=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
 
+           rm -f conftest.tmp conftest.lnk
 
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_utime_file_slash" >&5
+printf "%s\n" "$gl_cv_func_utime_file_slash" >&6; }
+        case $gl_cv_func_stat_file_slash in
+          *no)
+            REPLACE_UTIME=1
 
+printf "%s\n" "#define REPLACE_FUNC_UTIME_FILE 1" >>confdefs.h
 
+            ;;
+        esac
+      fi
+      ;;
+  esac
 
 
+     if test $HAVE_UTIME = 0 || test $REPLACE_UTIME = 1; then
+  GL_COND_OBJ_UTIME_TRUE=
+  GL_COND_OBJ_UTIME_FALSE='#'
+else
+  GL_COND_OBJ_UTIME_TRUE='#'
+  GL_COND_OBJ_UTIME_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_UTIME_TRUE}" && test -z "${GL_COND_OBJ_UTIME_FALSE}"; then
+    GL_COND_OBJ_UTIME_TRUE='#'
+    GL_COND_OBJ_UTIME_FALSE='#'
+  fi
 
+  if test -z "$GL_COND_OBJ_UTIME_TRUE"; then :
 
+    :
 
+fi
 
 
 
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_utime_h='<'utime.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <utime.h>" >&5
-printf %s "checking absolute name of <utime.h>... " >&6; }
-if test ${gl_cv_next_utime_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
 
-             if test $ac_cv_header_utime_h = yes; then
 
 
 
 
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <utime.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
 
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'utime.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
+          GL_GNULIB_UTIME=1
 
-        gl_cv_absolute_utime_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
 
-           gl_header=$gl_cv_absolute_utime_h
-           gl_cv_next_utime_h='"'$gl_header'"'
-          else
-               gl_cv_next_utime_h='<'utime.h'>'
-             fi
 
 
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_utime_h" >&5
-printf "%s\n" "$gl_cv_next_utime_h" >&6; }
-     fi
-     NEXT_UTIME_H=$gl_cv_next_utime_h
 
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'utime.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_utime_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_UTIME_H=$gl_next_as_first_directive
-
-
-
-
-
-  if test $ac_cv_header_utime_h = yes; then
-    HAVE_UTIME_H=1
-  else
-    HAVE_UTIME_H=0
-  fi
+printf "%s\n" "#define GNULIB_TEST_UTIME 1" >>confdefs.h
 
 
-  UTIME_H=''
-     if false; then
-              UTIME_H=utime.h
-     else
-       if test $ac_cv_header_utime_h != yes; then
-                  UTIME_H=utime.h
-       else
-         case "$host_os" in
-           mingw*)              UTIME_H=utime.h
-             ;;
-         esac
-       fi
-     fi
 
 
-   if test -n "$UTIME_H"; then
-  GL_GENERATE_UTIME_H_TRUE=
-  GL_GENERATE_UTIME_H_FALSE='#'
-else
-  GL_GENERATE_UTIME_H_TRUE='#'
-  GL_GENERATE_UTIME_H_FALSE=
-fi
 
 
 
@@ -26410,8 +30913,8 @@ then :
            linux-* | linux) gl_cv_func_futimesat_works="guessing yes" ;;
                             # Guess yes on glibc systems.
            *-gnu*)          gl_cv_func_futimesat_works="guessing yes" ;;
-                            # If we don't know, assume the worst.
-           *)               gl_cv_func_futimesat_works="guessing no" ;;
+                            # If we don't know, obey --enable-cross-guesses.
+           *)               gl_cv_func_futimesat_works="$gl_cross_guess_normal" ;;
          esac
 
 else $as_nop
@@ -26422,10 +30925,13 @@ else $as_nop
 #include <sys/times.h>
 #include <fcntl.h>
 
+
+$gl_mda_defines
+
 int
 main (void)
 {
-    int fd = open ("conftest.file", O_RDWR);
+int fd = open ("conftest.file", O_RDWR);
           if (fd < 0) return 1;
           if (futimesat (fd, NULL, NULL)) return 2;
 
@@ -26472,7 +30978,18 @@ then :
 else $as_nop
   if test "$cross_compiling" = yes
 then :
-  gl_cv_func_utimensat_works="guessing yes"
+  case "$host_os" in
+            # Guess yes on Linux or glibc systems.
+            linux-* | linux | *-gnu* | gnu*)
+              gl_cv_func_utimensat_works="guessing yes" ;;
+            # Guess 'nearly' on AIX.
+            aix*)
+              gl_cv_func_utimensat_works="guessing nearly" ;;
+            # If we don't know, obey --enable-cross-guesses.
+            *)
+              gl_cv_func_utimensat_works="$gl_cross_guess_normal" ;;
+          esac
+
 else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -26481,6 +30998,9 @@ else $as_nop
 #include <sys/stat.h>
 #include <unistd.h>
 
+
+$gl_mda_defines
+
 int
 main (void)
 {
@@ -26488,10 +31008,19 @@ int result = 0;
               const char *f = "conftest.file";
               if (close (creat (f, 0600)))
                 return 1;
+              /* Test whether a trailing slash is handled correctly.
+                 This fails on AIX 7.2.  */
+              {
+                struct timespec ts[2];
+                ts[0].tv_sec = 345183300; ts[0].tv_nsec = 0;
+                ts[1] = ts[0];
+                if (utimensat (AT_FDCWD, "conftest.file/", ts, 0) == 0)
+                  result |= 2;
+              }
               /* Test whether the AT_SYMLINK_NOFOLLOW flag is supported.  */
               {
                 if (utimensat (AT_FDCWD, f, NULL, AT_SYMLINK_NOFOLLOW))
-                  result |= 2;
+                  result |= 4;
               }
               /* Test whether UTIME_NOW and UTIME_OMIT work.  */
               {
@@ -26501,7 +31030,7 @@ int result = 0;
                 ts[1].tv_sec = 1;
                 ts[1].tv_nsec = UTIME_NOW;
                 if (utimensat (AT_FDCWD, f, ts, 0))
-                  result |= 4;
+                  result |= 8;
               }
               sleep (1);
               {
@@ -26512,11 +31041,11 @@ int result = 0;
                 ts[1].tv_sec = 1;
                 ts[1].tv_nsec = UTIME_OMIT;
                 if (utimensat (AT_FDCWD, f, ts, 0))
-                  result |= 8;
-                if (stat (f, &st))
                   result |= 16;
-                else if (st.st_ctime < st.st_atime)
+                if (stat (f, &st))
                   result |= 32;
+                else if (st.st_ctime < st.st_atime)
+                  result |= 64;
               }
               return result;
 
@@ -26528,21 +31057,48 @@ if ac_fn_c_try_run "$LINENO"
 then :
   gl_cv_func_utimensat_works=yes
 else $as_nop
-  gl_cv_func_utimensat_works=no
+  case $? in
+            2) gl_cv_func_utimensat_works='nearly' ;;
+            *) gl_cv_func_utimensat_works=no ;;
+          esac
+
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_utimensat_works" >&5
 printf "%s\n" "$gl_cv_func_utimensat_works" >&6; }
-    if test "$gl_cv_func_utimensat_works" = no; then
-      REPLACE_UTIMENSAT=1
-    fi
+    case "$gl_cv_func_utimensat_works" in
+      *yes)
+        ;;
+      *nearly)
+
+printf "%s\n" "#define HAVE_NEARLY_WORKING_UTIMENSAT 1" >>confdefs.h
+
+        REPLACE_UTIMENSAT=1
+        ;;
+      *)
+        REPLACE_UTIMENSAT=1
+        ;;
+    esac
   fi
 
-  if test $HAVE_UTIMENSAT = 0 || test $REPLACE_UTIMENSAT = 1; then
+
+     if test $HAVE_UTIMENSAT = 0 || test $REPLACE_UTIMENSAT = 1; then
+  GL_COND_OBJ_UTIMENSAT_TRUE=
+  GL_COND_OBJ_UTIMENSAT_FALSE='#'
+else
+  GL_COND_OBJ_UTIMENSAT_TRUE='#'
+  GL_COND_OBJ_UTIMENSAT_FALSE=
+fi
+:
+    if test -z "${GL_COND_OBJ_UTIMENSAT_TRUE}" && test -z "${GL_COND_OBJ_UTIMENSAT_FALSE}"; then
+    GL_COND_OBJ_UTIMENSAT_TRUE='#'
+    GL_COND_OBJ_UTIMENSAT_FALSE='#'
+  fi
 
 
 
@@ -26551,22 +31107,99 @@ printf "%s\n" "$gl_cv_func_utimensat_works" >&6; }
 
 
 
-  gl_LIBOBJS="$gl_LIBOBJS utimensat.$ac_objext"
 
-  fi
 
+          GL_GNULIB_UTIMENSAT=1
 
 
 
 
-          GNULIB_UTIMENSAT=1
 
+printf "%s\n" "#define GNULIB_TEST_UTIMENSAT 1" >>confdefs.h
 
 
 
 
-printf "%s\n" "#define GNULIB_TEST_UTIMENSAT 1" >>confdefs.h
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for variable-length arrays" >&5
+printf %s "checking for variable-length arrays... " >&6; }
+if test ${ac_cv_c_vararrays+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifdef __STDC_NO_VLA__
+	defined
+	#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "defined" >/dev/null 2>&1
+then :
+  ac_cv_c_vararrays='no: __STDC_NO_VLA__ is defined'
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Test for VLA support.  This test is partly inspired
+		  from examples in the C standard.  Use at least two VLA
+		  functions to detect the GCC 3.4.3 bug described in:
+		  https://lists.gnu.org/archive/html/bug-gnulib/2014-08/msg00014.html
+		  */
+	       #ifdef __STDC_NO_VLA__
+		syntax error;
+	       #else
+		 extern int n;
+		 int B[100];
+		 int fvla (int m, int C[m][m]);
+
+		 int
+		 simple (int count, int all[static count])
+		 {
+		   return all[count - 1];
+		 }
+
+		 int
+		 fvla (int m, int C[m][m])
+		 {
+		   typedef int VLA[m][m];
+		   VLA x;
+		   int D[m];
+		   static int (*q)[m] = &B;
+		   int (*s)[n] = q;
+		   return C && &x[0][0] == &D[0] && &D[0] == s[0];
+		 }
+	       #endif
+
+int
+main (void)
+{
 
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_c_vararrays=yes
+else $as_nop
+  ac_cv_c_vararrays=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -rf conftest*
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_vararrays" >&5
+printf "%s\n" "$ac_cv_c_vararrays" >&6; }
+  if test "$ac_cv_c_vararrays" = yes; then
+
+printf "%s\n" "#define HAVE_C_VARARRAYS 1" >>confdefs.h
+
+  elif test "$ac_cv_c_vararrays" = no; then
+
+printf "%s\n" "#define __STDC_NO_VLA__ 1" >>confdefs.h
+
+  fi
 
 
 
@@ -26628,8 +31261,6 @@ printf "%s\n" "#define REPLACE_VASNPRINTF 1" >>confdefs.h
 
 
 
-
-
   ac_fn_c_check_type "$LINENO" "ptrdiff_t" "ac_cv_type_ptrdiff_t" "$ac_includes_default"
 if test "x$ac_cv_type_ptrdiff_t" = xyes
 then :
@@ -26700,7 +31331,11 @@ fi
 
 
 
-          GNULIB_VASPRINTF=1
+
+
+
+
+          GL_GNULIB_VASPRINTF=1
 
 
 
@@ -27004,8 +31639,6 @@ printf "%s\n" "#define REPLACE_VASNPRINTF 1" >>confdefs.h
 
 
 
-
-
   ac_fn_c_check_type "$LINENO" "ptrdiff_t" "ac_cv_type_ptrdiff_t" "$ac_includes_default"
 if test "x$ac_cv_type_ptrdiff_t" = xyes
 then :
@@ -27072,100 +31705,17 @@ fi
 
 
 
-     if test $gl_cv_have_include_next = yes; then
-       gl_cv_next_wchar_h='<'wchar.h'>'
-     else
-       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking absolute name of <wchar.h>" >&5
-printf %s "checking absolute name of <wchar.h>... " >&6; }
-if test ${gl_cv_next_wchar_h+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-
-             if test $ac_cv_header_wchar_h = yes; then
-
-
-
-
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <wchar.h>
-_ACEOF
-                case "$host_os" in
-    aix*) gl_absname_cpp="$ac_cpp -C" ;;
-    *)    gl_absname_cpp="$ac_cpp" ;;
-  esac
-
-  case "$host_os" in
-    mingw*)
-                                          gl_dirsep_regex='[/\\]'
-      ;;
-    *)
-      gl_dirsep_regex='\/'
-      ;;
-  esac
-      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
-  gl_header_literal_regex=`echo 'wchar.h' \
-                           | sed -e "$gl_make_literal_regex_sed"`
-  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
-      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
-      s|^/[^/]|//&|
-      p
-      q
-    }'
-
-        gl_cv_absolute_wchar_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
-  sed -n "$gl_absolute_header_sed"`
-
-           gl_header=$gl_cv_absolute_wchar_h
-           gl_cv_next_wchar_h='"'$gl_header'"'
-          else
-               gl_cv_next_wchar_h='<'wchar.h'>'
-             fi
-
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_wchar_h" >&5
-printf "%s\n" "$gl_cv_next_wchar_h" >&6; }
-     fi
-     NEXT_WCHAR_H=$gl_cv_next_wchar_h
-
-     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
-       gl_next_as_first_directive='<'wchar.h'>'
-     else
-       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
-       gl_next_as_first_directive=$gl_cv_next_wchar_h
-     fi
-     NEXT_AS_FIRST_DIRECTIVE_WCHAR_H=$gl_next_as_first_directive
-
-
-
-
-  if test $ac_cv_header_wchar_h = yes; then
-    HAVE_WCHAR_H=1
-  else
-    HAVE_WCHAR_H=0
-  fi
-
-
-
-
-
-  if test $gt_cv_c_wint_t = yes; then
-    HAVE_WINT_T=1
-  else
-    HAVE_WINT_T=0
-  fi
+  :
 
 
+printf "%s\n" "#define GNULIB_XALLOC 1" >>confdefs.h
 
 
 
 
+printf "%s\n" "#define GNULIB_XALLOC_DIE 1" >>confdefs.h
 
 
-  :
 
 
   ac_fn_c_check_header_compile "$LINENO" "stdint.h" "ac_cv_header_stdint_h" "$ac_includes_default"
@@ -27186,6 +31736,8 @@ fi
 
 
 
+
+
   gltests_libdeps=
   gltests_ltlibdeps=
 
@@ -27197,7 +31749,11 @@ fi
 
 
 
+
+
+
   gl_source_base='tests'
+  gl_source_base_prefix=
   gltests_WITNESS=IN_`echo "${PACKAGE-$PACKAGE_TARNAME}" | LC_ALL=C tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ | LC_ALL=C sed -e 's/[^A-Z0-9_]/_/g'`_GNULIB_TESTS
 
   gl_module_indicator_condition=$gltests_WITNESS
@@ -27210,6 +31766,9 @@ fi
 
 
 
+
+
+
   LIBGNU_LIBDEPS="$gl_libdeps"
 
   LIBGNU_LTLIBDEPS="$gl_ltlibdeps"
@@ -37001,75 +41560,61 @@ if test -z "${GL_COND_LIBTOOL_TRUE}" && test -z "${GL_COND_LIBTOOL_FALSE}"; then
   as_fn_error $? "conditional \"GL_COND_LIBTOOL\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${GL_GENERATE_ALLOCA_H_TRUE}" && test -z "${GL_GENERATE_ALLOCA_H_FALSE}"; then
-  as_fn_error $? "conditional \"GL_GENERATE_ALLOCA_H\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${GL_GENERATE_ERRNO_H_TRUE}" && test -z "${GL_GENERATE_ERRNO_H_FALSE}"; then
-  as_fn_error $? "conditional \"GL_GENERATE_ERRNO_H\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${GL_GENERATE_FLOAT_H_TRUE}" && test -z "${GL_GENERATE_FLOAT_H_FALSE}"; then
-  as_fn_error $? "conditional \"GL_GENERATE_FLOAT_H\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${GL_GENERATE_LIMITS_H_TRUE}" && test -z "${GL_GENERATE_LIMITS_H_FALSE}"; then
-  as_fn_error $? "conditional \"GL_GENERATE_LIMITS_H\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${GL_GENERATE_LIMITS_H_TRUE}" && test -z "${GL_GENERATE_LIMITS_H_FALSE}"; then
-  as_fn_error $? "conditional \"GL_GENERATE_LIMITS_H\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${GL_GENERATE_STDINT_H_TRUE}" && test -z "${GL_GENERATE_STDINT_H_FALSE}"; then
-  as_fn_error $? "conditional \"GL_GENERATE_STDINT_H\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 
 
-if test -z "${GL_GENERATE_STDBOOL_H_TRUE}" && test -z "${GL_GENERATE_STDBOOL_H_FALSE}"; then
-  as_fn_error $? "conditional \"GL_GENERATE_STDBOOL_H\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${GL_GENERATE_STDDEF_H_TRUE}" && test -z "${GL_GENERATE_STDDEF_H_FALSE}"; then
-  as_fn_error $? "conditional \"GL_GENERATE_STDDEF_H\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${GL_GENERATE_UTIME_H_TRUE}" && test -z "${GL_GENERATE_UTIME_H_FALSE}"; then
-  as_fn_error $? "conditional \"GL_GENERATE_UTIME_H\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 
     gl_libobjs=
     gl_ltlibobjs=
+    gl_libobjdeps=
     if test -n "$gl_LIBOBJS"; then
       # Remove the extension.
       sed_drop_objext='s/\.o$//;s/\.obj$//'
+      sed_dirname1='s,//*,/,g'
+      sed_dirname2='s,\(.\)/$,\1,'
+      sed_dirname3='s,^[^/]*$,.,'
+      sed_dirname4='s,\(.\)/[^/]*$,\1,'
+      sed_basename1='s,.*/,,'
       for i in `for i in $gl_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do
         gl_libobjs="$gl_libobjs $i.$ac_objext"
         gl_ltlibobjs="$gl_ltlibobjs $i.lo"
+        i_dir=`echo "$i" | sed -e "$sed_dirname1" -e "$sed_dirname2" -e "$sed_dirname3" -e "$sed_dirname4"`
+        i_base=`echo "$i" | sed -e "$sed_basename1"`
+        gl_libobjdeps="$gl_libobjdeps $i_dir/\$(DEPDIR)/$i_base.Po"
       done
     fi
     gl_LIBOBJS=$gl_libobjs
 
     gl_LTLIBOBJS=$gl_ltlibobjs
 
+    gl_LIBOBJDEPS=$gl_libobjdeps
+
 
 
     gltests_libobjs=
     gltests_ltlibobjs=
+    gltests_libobjdeps=
     if test -n "$gltests_LIBOBJS"; then
       # Remove the extension.
       sed_drop_objext='s/\.o$//;s/\.obj$//'
+      sed_dirname1='s,//*,/,g'
+      sed_dirname2='s,\(.\)/$,\1,'
+      sed_dirname3='s,^[^/]*$,.,'
+      sed_dirname4='s,\(.\)/[^/]*$,\1,'
+      sed_basename1='s,.*/,,'
       for i in `for i in $gltests_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do
         gltests_libobjs="$gltests_libobjs $i.$ac_objext"
         gltests_ltlibobjs="$gltests_ltlibobjs $i.lo"
+        i_dir=`echo "$i" | sed -e "$sed_dirname1" -e "$sed_dirname2" -e "$sed_dirname3" -e "$sed_dirname4"`
+        i_base=`echo "$i" | sed -e "$sed_basename1"`
+        gltests_libobjdeps="$gltests_libobjdeps $i_dir/\$(DEPDIR)/$i_base.Po"
       done
     fi
     gltests_LIBOBJS=$gltests_libobjs
 
     gltests_LTLIBOBJS=$gltests_ltlibobjs
 
+    gltests_LIBOBJDEPS=$gltests_libobjdeps
+
 
 if test -z "${QMANIFEST_ENABLED_TRUE}" && test -z "${QMANIFEST_ENABLED_FALSE}"; then
   as_fn_error $? "conditional \"QMANIFEST_ENABLED\" was never defined.