diff options
Diffstat (limited to 'pixman/configure.ac')
-rw-r--r-- | pixman/configure.ac | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/pixman/configure.ac b/pixman/configure.ac index 8a3b62268..5e512be8e 100644 --- a/pixman/configure.ac +++ b/pixman/configure.ac @@ -54,7 +54,7 @@ AC_PREREQ([2.57]) m4_define([pixman_major], 0) m4_define([pixman_minor], 31) -m4_define([pixman_micro], 1) +m4_define([pixman_micro], 3) m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro]) @@ -1044,6 +1044,22 @@ fi AC_MSG_RESULT($support_for_float128) +dnl ===================================== +dnl __builtin_clz + +support_for_builtin_clz=no + +AC_MSG_CHECKING(for __builtin_clz) +AC_LINK_IFELSE([AC_LANG_SOURCE([[ +unsigned int x = 11; int main (void) { return __builtin_clz(x); } +]])], support_for_builtin_clz=yes) + +if test x$support_for_builtin_clz = xyes; then + AC_DEFINE([HAVE_BUILTIN_CLZ], [], [Whether the compiler supports __builtin_clz]) +fi + +AC_MSG_RESULT($support_for_builtin_clz) + dnl ================== dnl libpng |