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| author | marha <marha@users.sourceforge.net> | 2014-04-13 14:28:06 +0200 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2014-04-13 14:28:06 +0200 |
| commit | 0bd141efd4832e01c8b269b8566dd5749e30ed55 (patch) | |
| tree | cdad95c688236c6e2e36f13a3495c498393dabc8 /pixman/configure.ac | |
| parent | feab85024204c7db3ad243697fe06bf3960349a9 (diff) | |
| parent | d2ad10d03be8e6d4b150bbdf2a28ea3d5a18a2ed (diff) | |
| download | vcxsrv-0bd141efd4832e01c8b269b8566dd5749e30ed55.tar.gz vcxsrv-0bd141efd4832e01c8b269b8566dd5749e30ed55.tar.bz2 vcxsrv-0bd141efd4832e01c8b269b8566dd5749e30ed55.zip | |
Merge remote-tracking branch 'origin/released'
Diffstat (limited to 'pixman/configure.ac')
| -rw-r--r-- | pixman/configure.ac | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/pixman/configure.ac b/pixman/configure.ac index 632797241..0339494b6 100644 --- a/pixman/configure.ac +++ b/pixman/configure.ac @@ -1061,6 +1061,24 @@ fi AC_MSG_RESULT($support_for_builtin_clz) +dnl ===================================== +dnl GCC vector extensions + +support_for_gcc_vector_extensions=no + +AC_MSG_CHECKING(for GCC vector extensions) +AC_LINK_IFELSE([AC_LANG_SOURCE([[ +unsigned int __attribute__ ((vector_size(16))) e, a, b; +int main (void) { e = a - ((b << 27) + (b >> (32 - 27))) + 1; return e[0]; } +]])], support_for_gcc_vector_extensions=yes) + +if test x$support_for_gcc_vector_extensions = xyes; then + AC_DEFINE([HAVE_GCC_VECTOR_EXTENSIONS], [], + [Whether the compiler supports GCC vector extensions]) +fi + +AC_MSG_RESULT($support_for_gcc_vector_extensions) + dnl ================== dnl libpng |