diff options
Diffstat (limited to 'src/decode.c')
| -rw-r--r-- | src/decode.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/decode.c b/src/decode.c index 4efbee3..886228b 100644 --- a/src/decode.c +++ b/src/decode.c @@ -322,7 +322,10 @@ static inline uint32_t direct_get_fs(struct aec_stream *strm) state->bitp = 56; } -#if HAVE_DECL___BUILTIN_CLZLL +#ifndef __has_builtin +#define __has_builtin(x) 0 /* Compatibility with non-clang compilers. */ +#endif +#if HAVE_DECL___BUILTIN_CLZLL || __has_builtin(__builtin_clzll) i = 63 - __builtin_clzll(state->acc); #elif HAVE_BSR64 _BitScanReverse64(&i, state->acc); |