--- mozilla-release.ORIG/xpcom/glue/nsTextFormatter.cpp	2009-07-30 09:30:35.000000000 -0600
+++ mozilla-release/xpcom/glue/nsTextFormatter.cpp	2010-03-24 15:48:24.000000000 -0600
@@ -70,7 +70,10 @@
 ** Note: on some platforms va_list is defined as an array,
 ** and requires array notation.
 */
-
+#if defined(__powerpc__)
+#define HAVE_VA_LIST_AS_ARRAY
+#endif
+
 #ifdef HAVE_VA_COPY
 #define VARARGS_ASSIGN(foo, bar)        VA_COPY(foo,bar)
 #elif defined(HAVE_VA_LIST_AS_ARRAY)

diff -ur mozilla-release.ORIG/js/src/jsapi.cpp mozilla-release/js/src/jsapi.cpp
--- mozilla-release.ORIG/js/src/jsapi.cpp	2012-02-15 23:40:35.000000000 -0700
+++ mozilla-release/js/src/jsapi.cpp	2012-03-01 17:01:41.716770994 -0700
@@ -108,6 +108,10 @@
 #include "jsxml.h"
 #endif
 
+#if defined(__powerpc__)
+#define HAVE_VA_LIST_AS_ARRAY
+#endif
+
 using namespace js;
 using namespace js::gc;
 using namespace js::types;

diff -ur mozilla-release.ORIG/js/src/jsprf.cpp mozilla-release/js/src/jsprf.cpp
--- mozilla-release.ORIG/js/src/jsprf.cpp	2012-02-15 23:40:35.000000000 -0700
+++ mozilla-release/js/src/jsprf.cpp	2012-03-01 17:01:41.348769842 -0700
@@ -57,6 +57,10 @@
 ** Note: on some platforms va_list is defined as an array,
 ** and requires array notation.
 */
+#if defined(__powerpc__)
+#define HAVE_VA_LIST_AS_ARRAY
+#endif
+
 #ifdef HAVE_VA_COPY
 #define VARARGS_ASSIGN(foo, bar)        VA_COPY(foo,bar)
 #elif defined(HAVE_VA_LIST_AS_ARRAY)