| Index: build/build_config.h | 
| diff --git a/build/build_config.h b/build/build_config.h | 
| index 143cf3e5b45d8678e23d57c854ff8037e56e6070..378451200c609766e746106e3e97e5096e8163cd 100644 | 
| --- a/build/build_config.h | 
| +++ b/build/build_config.h | 
| @@ -106,6 +106,11 @@ | 
| #define ARCH_CPU_ARMEL 1 | 
| #define ARCH_CPU_32_BITS 1 | 
| #define ARCH_CPU_LITTLE_ENDIAN 1 | 
| +#elif defined(__arm64__) | 
| +#define ARCH_CPU_ARM_FAMILY 1 | 
| +#define ARCH_CPU_ARM64 1 | 
| +#define ARCH_CPU_64_BITS 1 | 
| +#define ARCH_CPU_LITTLE_ENDIAN 1 | 
| #elif defined(__pnacl__) | 
| #define ARCH_CPU_32_BITS 1 | 
| #define ARCH_CPU_LITTLE_ENDIAN 1 | 
|  |