--- a/media/webrtc/trunk/build/build_config.h
+++ b/media/webrtc/trunk/build/build_config.h
@@ -124,16 +124,21 @@
 #define ARCH_CPU_PPC64 1
 #define ARCH_CPU_64_BITS 1
 #define ARCH_CPU_BIG_ENDIAN 1
 #elif defined(__ppc__) || defined(__powerpc__)
 #define ARCH_CPU_PPC_FAMILY 1
 #define ARCH_CPU_PPC 1
 #define ARCH_CPU_32_BITS 1
 #define ARCH_CPU_BIG_ENDIAN 1
+#elif defined(__m68k__)
+#define ARCH_CPU_M68K_FAMILY 1
+#define ARCH_CPU_M68K 1
+#define ARCH_CPU_32_BITS 1
+#define ARCH_CPU_BIG_ENDIAN 1
 #elif defined(__sparc__) && defined(__arch64__)
 #define ARCH_CPU_SPARC_FAMILY 1
 #define ARCH_CPU_SPARC 1
 #define ARCH_CPU_64_BITS 1
 #elif defined(__sparc__)
 #define ARCH_CPU_SPARC_FAMILY 1
 #define ARCH_CPU_SPARC 1
 #define ARCH_CPU_32_BITS 1