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

[Matt Turner]

Not sure why I forgot to add them to CXXFLAGS in commit f55c408067 or
commit 875458b778. Cuts about 1k of .text.

   text     data      bss      dec      hex  filename
5806354   287816    29384  6123554   5d7022  i965_dri.so before
5805497   287744    29384  6122625   5d6c81  i965_dri.so after
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 95cfc36..e8cd97f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -339,6 +339,9 @@ if test "x$GXX" = xyes; then
 
     # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
     CXXFLAGS=$save_CXXFLAGS
+
+    # We don't want floating-point math functions to set errno or trap
+    CXXFLAGS="$CXXFLAGS -fno-math-errno -fno-trapping-math"
 fi
 
 AC_SUBST([MSVC2013_COMPAT_CFLAGS])
-- 
2.7.3