--- webrtc/typedefs.h.old	2018-11-05 19:51:03.514437000 -0600
+++ webrtc/typedefs.h	2018-11-05 19:52:08.518962000 -0600
@@ -47,6 +47,12 @@
 #elif defined(__pnacl__)
 #define WEBRTC_ARCH_32_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(__powerpc64__)
+#define	WEBRTC_ARCH_64_BITS
+#define	WEBRTC_ARCH_BIG_ENDIAN
+#elif defined(__powerpc__)
+#define	WEBRTC_ARCH_32_BITS
+#define	WEBRTC_ARCH_BIG_ENDIAN
 #else
 #error Please add support for your architecture in typedefs.h
 #endif