--- nspr-4.4.1/mozilla/nsprpub/pr/include/md/_linux.cfg.orig	2003-01-23 18:03:19.000000000 +0100
+++ nspr-4.4.1/mozilla/nsprpub/pr/include/md/_linux.cfg	2004-10-28 17:23:36.137131376 +0200
@@ -45,7 +45,53 @@
 
 #define PR_AF_INET6 10  /* same as AF_INET6 */
 
-#ifdef __powerpc__
+#ifdef __powerpc64__
+
+#undef  IS_LITTLE_ENDIAN
+#define IS_BIG_ENDIAN    1
+#define IS_64
+
+#define PR_BYTES_PER_BYTE   1
+#define PR_BYTES_PER_SHORT  2
+#define PR_BYTES_PER_INT    4
+#define PR_BYTES_PER_INT64  8
+#define PR_BYTES_PER_LONG   8
+#define PR_BYTES_PER_FLOAT  4
+#define PR_BYTES_PER_DOUBLE 8
+#define PR_BYTES_PER_WORD   8
+#define PR_BYTES_PER_DWORD  8
+
+#define PR_BITS_PER_BYTE    8
+#define PR_BITS_PER_SHORT   16
+#define PR_BITS_PER_INT     32
+#define PR_BITS_PER_INT64   64
+#define PR_BITS_PER_LONG    64
+#define PR_BITS_PER_FLOAT   32
+#define PR_BITS_PER_DOUBLE  64
+#define PR_BITS_PER_WORD    64
+
+#define PR_BITS_PER_BYTE_LOG2   3
+#define PR_BITS_PER_SHORT_LOG2  4
+#define PR_BITS_PER_INT_LOG2    5
+#define PR_BITS_PER_INT64_LOG2  6
+#define PR_BITS_PER_LONG_LOG2   6
+#define PR_BITS_PER_FLOAT_LOG2  5
+#define PR_BITS_PER_DOUBLE_LOG2 6
+#define PR_BITS_PER_WORD_LOG2   6
+
+#define PR_ALIGN_OF_SHORT   2
+#define PR_ALIGN_OF_INT     4
+#define PR_ALIGN_OF_LONG    8
+#define PR_ALIGN_OF_INT64   8
+#define PR_ALIGN_OF_FLOAT   4
+#define PR_ALIGN_OF_DOUBLE  8
+#define PR_ALIGN_OF_POINTER 8
+#define PR_ALIGN_OF_WORD    8
+
+#define PR_BYTES_PER_WORD_LOG2   3
+#define PR_BYTES_PER_DWORD_LOG2  3
+
+#elif defined(__powerpc__)
 
 #undef  IS_LITTLE_ENDIAN
 #define IS_BIG_ENDIAN    1

--- nspr-4.4.1/mozilla/nsprpub/pr/include/md/_linux.h.orig	2004-10-28 17:28:02.931175520 +0200
+++ nspr-4.4.1/mozilla/nsprpub/pr/include/md/_linux.h	2004-10-28 17:28:52.716195584 +0200
@@ -43,7 +43,9 @@
 
 #define PR_LINKER_ARCH	"linux"
 #define _PR_SI_SYSNAME  "LINUX"
-#ifdef __powerpc__
+#ifdef __powerpc64__
+#define _PR_SI_ARCHITECTURE "ppc64"
+#elif defined(__powerpc__)
 #define _PR_SI_ARCHITECTURE "ppc"
 #elif defined(__alpha)
 #define _PR_SI_ARCHITECTURE "alpha"