author | Ryan C. Gordon <icculus@icculus.org> |
Fri, 29 Mar 2013 21:16:30 -0400 | |
changeset 7033 | 3b12bae22f9e |
parent 7032 | 305feca4f152 |
child 7034 | 3a5a53435ebd |
--- a/include/SDL_bits.h Fri Mar 29 21:13:16 2013 -0400 +++ b/include/SDL_bits.h Fri Mar 29 21:16:30 2013 -0400 @@ -52,7 +52,7 @@ SDL_FORCE_INLINE Sint8 SDL_MostSignificantBitIndex32(Uint32 x) { -#if defined(__GNUC__) +#if defined(__GNUC__) && __GNUC__ >= 4 /* Count Leading Zeroes builtin in GCC. * http://gcc.gnu.org/onlinedocs/gcc-4.3.4/gcc/Other-Builtins.html */