From 49ae9b08d400fc99ef5e803bcd9a9adb600b252e Mon Sep 17 00:00:00 2001
From: José Fonseca <jfonseca@vmware.com>
Date: Fri, 15 Mar 2013 15:23:54 +0000
Subject: scons: Warn when using MSVS versions prior to 2012.

Reviewed-by: Brian Paul <brianp@vmware.com>
---
 scons/gallium.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scons/gallium.py b/scons/gallium.py
index 4d3de82d59c..b28be5d8961 100755
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -402,6 +402,8 @@ def generate(env):
               '/Oi', # enable intrinsic functions
             ]
         else:
+            if distutils.version.LooseVersion(env['MSVC_VERSION']) < distutils.version.LooseVersion('11.0'):
+                print 'scons: warning: Visual Studio versions prior to 2012 are known to produce incorrect code when optimizations are enabled ( https://bugs.freedesktop.org/show_bug.cgi?id=58718 )'
             ccflags += [
                 '/O2', # optimize for speed
             ]
-- 
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