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diff -Naur a/configure.ac b/configure.ac
--- a/configure.ac 2015-01-02 16:27:05.093088172 +0000
+++ b/configure.ac 2015-01-02 16:29:58.563094214 +0000
@@ -75,6 +75,7 @@
AC_CHECK_HEADERS([libgen.h])
AC_CHECK_HEADERS([machine/apmvar.h])
AC_CHECK_HEADERS([machine/apm_bios.h])
+AC_CHECK_HEADERS([execinfo.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_HEADER_STDBOOL
diff -Naur a/src/acpustatus.cc b/src/acpustatus.cc
--- a/src/acpustatus.cc 2014-09-01 10:21:57.000000000 +0000
+++ b/src/acpustatus.cc 2015-01-02 16:28:35.738091329 +0000
@@ -25,17 +25,12 @@
#include "sysdep.h"
#include "default.h"
-#if defined(linux)
-//#include <linux/kernel.h>
-#include <sys/sysinfo.h>
-#endif
#if defined(sun) && defined(SVR4)
#include <sys/loadavg.h>
#endif
#ifdef HAVE_KSTAT_H
#include <sys/resource.h>
#include <kstat.h>
-#include <sys/sysinfo.h>
#endif
#ifdef HAVE_SYS_PARAM_H
@@ -56,6 +51,10 @@
#include <dirent.h>
#include "intl.h"
+#if defined(linux) || defined(HAVE_KSTAT_H)
+#include <sys/sysinfo.h>
+#endif
+
#if (defined(linux) || defined(HAVE_KSTAT_H)) || defined(HAVE_SYSCTL_CP_TIME)
extern ref<YPixmap> taskbackPixmap;
diff -Naur a/src/misc.cc b/src/misc.cc
--- a/src/misc.cc 2014-09-01 10:21:57.000000000 +0000
+++ b/src/misc.cc 2015-01-02 16:31:00.722096379 +0000
@@ -15,7 +15,7 @@
#include <libgen.h>
#endif
-#ifdef linux
+#if defined(linux) && defined(HAVE_EXECINFO_H)
#include <execinfo.h>
#endif
@@ -543,7 +543,7 @@
}
void show_backtrace() {
-#ifdef linux
+#if defined(linux) && defined(HAVE_EXECINFO_H)
void *array[20];
fprintf(stderr, "\nbacktrace:\n");
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