From e5edc319de58ce7506586ec02fcd1826b900ed71 Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Sat, 11 Feb 2017 16:35:07 -0500
Subject: [PATCH] [SCons] Fix propagation of user-specified environment
 variables

The listify function no splits on commas
---
 SConstruct | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/SConstruct b/SConstruct
index d19054365..4d4cbd64d 100644
--- a/SConstruct
+++ b/SConstruct
@@ -691,10 +691,10 @@ if env['env_vars'] == 'all':
     if 'PYTHONHOME' in env['ENV']:
         del env['ENV']['PYTHONHOME']
 elif env['env_vars']:
-    for name in listify(env['env_vars']):
+    for name in env['env_vars'].split(','):
         if name in os.environ:
             env['ENV'][name] = os.environ[name]
-        elif name not in defaults.env_vars:
+        elif name not in defaults.env_vars.split(','):
             print 'WARNING: failed to propagate environment variable', repr(name)
             print '         Edit cantera.conf or the build command line to fix this.'