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Diffstat (limited to 'pixman/configure.ac')
| -rw-r--r-- | pixman/configure.ac | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pixman/configure.ac b/pixman/configure.ac index 2dd477663..8a3b62268 100644 --- a/pixman/configure.ac +++ b/pixman/configure.ac @@ -183,6 +183,7 @@ AC_SUBST(LT_VERSION_INFO) # Check for dependencies PIXMAN_CHECK_CFLAG([-Wall]) +PIXMAN_CHECK_CFLAG([-Wdeclaration-after-statement]) PIXMAN_CHECK_CFLAG([-fno-strict-aliasing]) dnl ========================================================================= @@ -355,6 +356,12 @@ int main () { : "y" (v), "K" (5) ); + /* Some versions of clang will choke on this */ + asm ("pmulhuw %1, %0\n\t" + : "+y" (w) + : "y" (v) + ); + return _mm_cvtsi64_si32 (v); }]])], have_mmx_intrinsics=yes) CFLAGS=$xserver_save_CFLAGS |