diff options
| author | Tom Stellard <[email protected]> | 2014-02-20 07:31:16 -0800 |
|---|---|---|
| committer | Tom Stellard <[email protected]> | 2014-02-24 12:56:26 -0800 |
| commit | f8ba0f55d32274eb2fe0e0060658dc2284569dd4 (patch) | |
| tree | 63d6913d812f2d209006f364b5244a9f152e5311 /src | |
| parent | 73b46136b0ba20f7f84abdadad895111a4c37166 (diff) | |
configure.ac: Use AX_GCC_BUILTIN to check availability of __builtin_bswap32 v2
v2:
- Remove unnecessary AC_SUBST
Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/util/u_math.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index b5e06630a60..b0f0e3dbb8e 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -731,7 +731,8 @@ util_bitcount(unsigned n) static INLINE uint32_t util_bswap32(uint32_t n) { -#if defined(PIPE_CC_GCC) && (PIPE_CC_GCC_VERSION >= 403) +/* We need the gcc version checks for non-autoconf build system */ +#if defined(HAVE___BUILTIN_BSWAP32) || (defined(PIPE_CC_GCC) && (PIPE_CC_GCC_VERSION >= 403)) return __builtin_bswap32(n); #else return (n >> 24) | |