[Mesa-dev] [PATCH 2/7] mesa: Add -fno-trapping-math to CFLAGS.

[Matt Turner]

Cuts about 1k of .text size.

   text    data     bss     dec     hex filename
4983676  197808   26328 5207812  4f7704 i965_dri.so before
4982522  197800   26328 5206650  4f727a i965_dri.so after
---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 15a9a3d..65d195f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -284,8 +284,8 @@ if test "x$GCC" = xyes; then
     # Work around aliasing bugs - developers should comment this out
     CFLAGS="$CFLAGS -fno-strict-aliasing"
 
-    # We don't want floating-point math functions to set errno
-    CFLAGS="$CFLAGS -fno-math-errno"
+    # We don't want floating-point math functions to set errno or trap
+    CFLAGS="$CFLAGS -fno-math-errno -fno-trapping-math"
 
     # gcc's builtin memcmp is slower than glibc's
     # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
-- 
2.3.6