From dfc672f8bbb8633f014f393fe3de2e39ed77c8dd Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Tue, 4 Aug 2015 18:04:45 +0200
Subject: SCons: Fix for really nasty bug with polluting configuration
 environment

The issue was caused by the following construction:

  def = env['SOMETHING']
  defs.append('SOMETHING_MORE')

Since first assignment was actually referencing environment option it was totally
polluted hawing weird and wonderful side effects on all other areas of Blender.
---
 extern/glew-es/SConscript | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'extern/glew-es')

diff --git a/extern/glew-es/SConscript b/extern/glew-es/SConscript
index b7c713c08c4..7552ce84067 100644
--- a/extern/glew-es/SConscript
+++ b/extern/glew-es/SConscript
@@ -6,7 +6,9 @@ Import('env')
 
 sources = ['src/glew.c']
 
-defs = env['BF_GL_DEFINITIONS']
+defs = []
+defs += env['BF_GL_DEFINITIONS']
+
 if env['WITH_BF_GLEW_MX']:
     defs += ['GLEW_MX']
 incs = ['include']
-- 
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