diff options
| author | Matt Turner <mattst88@gmail.com> | 2015-07-31 12:18:37 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2015-08-03 09:24:23 -0700 |
| commit | 875458b778e8d389e00f42269e716a3cb2761fab (patch) | |
| tree | 5db224fb6dfd5d9be69f48ec8ee9581b5c2e110b /configure.ac | |
| parent | 44e90f2a556a9b8ede12ae18a7cfa3a71e32d40c (diff) | |
mesa: Add -fno-math-errno to CFLAGS.
Cuts about 9k of .text size.
text data bss dec hex filename
4992804 197808 26328 5216940 4f9aac i965_dri.so before
4983676 197808 26328 5207812 4f7704 i965_dri.so after
Also, Darwin's libm does not ever set errno, so if we care about those
systems we shouldn't rely on errno anyway.
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 248f6183172..dc9272d3016 100644 --- a/configure.ac +++ b/configure.ac @@ -286,6 +286,9 @@ 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="$CFLAGS -fno-math-errno" + # gcc's builtin memcmp is slower than glibc's # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052 CFLAGS="$CFLAGS -fno-builtin-memcmp" |