diff -ruN mozilla.old/security/coreconf/Linux.mk mozilla/security/coreconf/Linux.mk
--- mozilla.old/security/coreconf/Linux.mk	2004-06-23 05:33:53.985176368 +0000
+++ mozilla/security/coreconf/Linux.mk	2004-06-23 05:35:18.092170440 +0000
@@ -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