Fixed an environment issue with Python subprocesses

SConstruct

@@ -116,6 +116,10 @@ env = Environment(tools=toolchain+['textfile', 'subst', 'recursiveInstall', 'wix
 if os.name == 'nt' and 'TMP' in os.environ:
     env['ENV']['TMP'] = os.environ['TMP']
 
+# Fixes issues with Python subprocesses. See http://bugs.python.org/issue13524
+if os.name == 'nt':
+    env['ENV']['SystemRoot'] = os.environ['SystemRoot']
+
 # Fix an issue with Unicode sneaking into the environment on Windows
 if os.name == 'nt':
     for key,val in env['ENV'].iteritems():

src/python/SConscript

@@ -32,13 +32,16 @@ if localenv['python_package'] == 'full':
     cantera_libname = 'cantera_shared' if os.name=='nt' else 'cantera'
     pylinklibs = [cantera_libname]
 
-    # On Windows, we need to link against the Python "import" library.
-    # With MSVC, this is automatically handled by a "#pragma comment
-    # directive in the Python headers, but for MinGW we need to do
-    # it manually.
     if localenv['toolchain'] == 'mingw':
+        # On Windows, we need to link against the Python "import" library.
+        # With MSVC, this is automatically handled by a "#pragma comment
+        # directive in the Python headers, but for MinGW we need to do
+        # it manually.
         pylinklibs.append('python%s' % gcv('VERSION'))
 
+        # Link statically so we don't have to include a copy of libstdc++
+        localenv.Append(LINKFLAGS=['-static-libgcc', '-static-libstdc++'])
+
     # OS X requires library dependencies to be specified at link time
     if localenv['OS'] == 'Darwin':
         pylinklibs.append('python%s' % gcv('VERSION'))

test/python/runTests.py

@@ -4,6 +4,7 @@ Unit tests for the Cantera Python module.
 This script gathers all the tests defined in all of the test<foo>.py
 files, runs them, and prints a report.
 """
+import sys
 import unittest
 
 import Cantera
@@ -11,6 +12,7 @@ import Cantera
 if __name__ == '__main__':
     print '\n* INFO: using Cantera module found at this location:'
     print '*     ', repr(Cantera.__file__), '\n'
+    sys.stdout.flush()
 
     loader = unittest.TestLoader()
     runner = unittest.TextTestRunner(verbosity=2)