Index: webrtc/typedefs.h
===================================================================
--- a/webrtc/rtc_base/system/arch.h.orig
+++ b/webrtc/rtc_base/system/arch.h
@@ -57,6 +57,15 @@
# #elif defined(__pnacl__)
# #define WEBRTC_ARCH_32_BITS
# #define WEBRTC_ARCH_LITTLE_ENDIAN
 #elif defined(__EMSCRIPTEN__)
 #define WEBRTC_ARCH_32_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(__powerpc64__) && defined(__LITTLE_ENDIAN__)
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#define WEBRTC_ARCH_64_BITS
+#elif defined(__powerpc64__)
+#define WEBRTC_ARCH_BIG_ENDIAN
+#define WEBRTC_ARCH_64_BITS
+#elif defined(__powerpc__)
+#define WEBRTC_ARCH_BIG_ENDIAN
+#define WEBRTC_ARCH_32_BITS
 #else
 #error Please add support for your architecture in rtc_base/system/arch.h
 #endif
# #else
# /* instead of failing, use typical unix defines... */
# #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__