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Diffstat (limited to 'src/gallium/auxiliary/util/u_math.h')
-rw-r--r--src/gallium/auxiliary/util/u_math.h3
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) |