diff -urN mozilla-orig/nsprpub/pr/include/md/_linux.cfg mozilla/nsprpub/pr/include/md/_linux.cfg
--- mozilla-orig/nsprpub/pr/include/md/_linux.cfg	2005-08-08 22:41:43.580366464 -0500
+++ mozilla/nsprpub/pr/include/md/_linux.cfg	2005-08-08 22:48:30.385522680 -0500
@@ -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
diff -urN mozilla-orig/nsprpub/pr/include/md/_linux.h mozilla/nsprpub/pr/include/md/_linux.h
--- mozilla-orig/nsprpub/pr/include/md/_linux.h	2005-08-08 22:41:43.580366464 -0500
+++ mozilla/nsprpub/pr/include/md/_linux.h	2005-08-08 22:47:43.252687960 -0500
@@ -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"
diff -urN mozilla-orig/security/coreconf/Linux.mk mozilla/security/coreconf/Linux.mk
--- mozilla-orig/security/coreconf/Linux.mk	2005-08-08 22:41:54.986632448 -0500
+++ mozilla/security/coreconf/Linux.mk	2005-08-08 23:10:49.039016416 -0500
@@ -53,7 +53,11 @@
 ifeq ($(OS_TEST),m68k)
 	OS_REL_CFLAGS	= -DLINUX1_2 -D_XOPEN_SOURCE
 	CPU_ARCH	= m68k
-else		
+else
+ifeq ($(OS_TEST),ppc64)
+	OS_REL_CFLAGS	= -DLINUX1_2 -D_XOPEN_SOURCE
+	CPU_ARCH	= ppc64
+else
 ifeq ($(OS_TEST),ppc)
 	OS_REL_CFLAGS	= -DLINUX1_2 -D_XOPEN_SOURCE
 	CPU_ARCH	= ppc
@@ -117,6 +121,7 @@
 endif
 endif
 endif
+endif
 
 
 LIBC_TAG		= _glibc
@@ -138,7 +143,7 @@
 OS_PTHREAD = -lpthread 
 endif
 
-OS_CFLAGS		= $(DSO_CFLAGS) $(OS_REL_CFLAGS) -ansi -Wall -pipe -DLINUX -Dlinux -D_POSIX_SOURCE -D_BSD_SOURCE -DHAVE_STRERROR
+OS_CFLAGS		= $(DSO_CFLAGS) $(OS_REL_CFLAGS) -ansi -pipe -DLINUX -Dlinux -D_POSIX_SOURCE -D_BSD_SOURCE -DHAVE_STRERROR
 OS_LIBS			= -L/lib $(OS_PTHREAD) -ldl -lc
 
 ifdef USE_PTHREADS