SCons MSYS2/mingw platform patch

gistfile1.txt

--- /usr/lib/python2.7/site-packages/SCons/Platform/msys.py.orig	2014-11-04 23:23:28.000000000 +0100
+++ /usr/lib/python2.7/site-packages/SCons/Platform/msys.py	2015-05-06 01:27:32.333448600 +0200
@@ -39,6 +39,12 @@
     posix.generate(env)
 
     env['ENV']['PATH'] = os.getenv('PATH')
+    import_env = [ 'SystemDrive', 'SystemRoot', 'TEMP', 'TMP' ]
+    for var in import_env:
+        v = os.environ.get(var)
+        if v:
+            env['ENV'][var] = v
+
     env['SPAWN']       = (lambda sh, esc, cmd, args, env_param:
                           subprocess.call(['sh', '-c', ' '.join(args)]))
     env['PROGPREFIX']  = ''