diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2013-07-17 19:27:23 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2013-07-17 19:27:23 +0000 |
| commit | a0440f6ba87e18d8871f0abbbf6938a56389b7ad (patch) | |
| tree | dbaa48d7bab16238274598d2f59d355ce29229fd /lib/pixman | |
| parent | f8a48ea8ebff3562fca0fb7da8404db5d794b59a (diff) | |
Do not blindly use __builtin_clz() #ifdef __GNUC__, but only if gcc >= 3.4 for
it did not exist in previous releases.
ok matthieu@
Diffstat (limited to 'lib/pixman')
| -rw-r--r-- | lib/pixman/pixman/pixman-matrix.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/pixman/pixman/pixman-matrix.c b/lib/pixman/pixman/pixman-matrix.c index 89b96826b..cacc05cc8 100644 --- a/lib/pixman/pixman/pixman-matrix.c +++ b/lib/pixman/pixman/pixman-matrix.c @@ -37,7 +37,8 @@ static force_inline int count_leading_zeros (uint32_t x) { -#ifdef __GNUC__ +#if defined(__GNUC__) && \ + (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) return __builtin_clz (x); #else int n = 0; |