From 18e37b1952f24c1d61b48e0ca79c33b7b253cd71 Mon Sep 17 00:00:00 2001
From: Daniel Sabo <DanielSabo@gmail.com>
Date: Mon, 17 Jun 2013 21:33:49 -0700
Subject: [PATCH] GCC+Win32: Ensure stack alignment in SSE code

Without this option GCC will generate bad code that attempts to
push SSE variables onto an unaligned stack.
---
 configure.ac | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 2ddb3a5..98dbe5d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -316,7 +316,10 @@ if test "x$enable_mmx" = xyes; then
 
     if test "x$enable_sse" = xyes; then
       BABL_DETECT_CFLAGS(fpmath_flag, '-mfpmath=sse')
-      SSE_EXTRA_CFLAGS="$MMX_EXTRA_CFLAGS $fpmath_flag"
+      if test "x$platform_win32" = xyes; then
+        BABL_DETECT_CFLAGS(stack_align, '-mstackrealign')
+      fi
+      SSE_EXTRA_CFLAGS="$MMX_EXTRA_CFLAGS $stack_align $fpmath_flag"
       
       BABL_DETECT_CFLAGS(sse_flag, '-msse')
       SSE_EXTRA_CFLAGS="$SSE_EXTRA_CFLAGS $sse_flag"
-- 
2.30.2