--- x265_v2.6/source/test/testharness.h.orig 2017-12-30 22:27:49.827620181 +0000 +++ x265_v2.6/source/test/testharness.h 2017-12-30 22:30:53.239500941 +0000 @@ -70,9 +70,10 @@ protected: #include #elif (!defined(__APPLE__) && (defined (__GNUC__) && (defined(__x86_64__) || defined(__i386__)))) #include -#elif ( !defined(__APPLE__) && defined (__GNUC__) && defined(__ARM_NEON__)) -#include #elif defined(__GNUC__) && (!defined(__clang__) || __clang_major__ < 4) +#if ( !defined(__APPLE__) && defined(__ARM_NEON__)) +#include +#endif /* fallback for older GCC/MinGW */ static inline uint32_t __rdtsc(void) {