Switching vs2008 to be preferred when present.

pylib/gyp/MSVSVersion.py

 #!/usr/bin/python
 
 # Copyright (c) 2009 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Handle version information related to Visual Stuio."""
 
 import os
 import re
@@ skipping 76 matching lines @@
     A list of visual studio versions installed in descending order of
     usage preference.
     Base this on the registry and a quick check if devenv.exe exists.
     Only versions 8-9 are considered.
     Possibilities are:
       2005 - Visual Studio 2005 (8)
       2008 - Visual Studio 2008 (9)
   """
   version_to_year = { '8.0': '2005', '9.0': '2008' }
   versions = []
-  for version in ['8.0', '9.0']:
+  for version in ['9.0', '8.0']:
     # Get the install dir for this version.
     key = r'HKLM\Software\Microsoft\VisualStudio\%s' % version
     path = _RegistryGetValue(key, 'InstallDir')
     if not path:
       continue
     # Check if there's anything actually there.
     if not os.path.exists(os.path.join(path, 'devenv.exe')):
       continue
     # Add this one.
     versions.append(_CreateVersion(version_to_year[version]))
@@ skipping 13 matching lines @@
     version = os.environ.get('GYP_MSVS_VERSION', 'auto')
   # In auto mode, pick the most preferred version present.
   if version == 'auto':
     versions = _DetectVisualStudioVersions()
     if not versions:
       # Default to 2005.
       return _CreateVersion('2005')
     return versions[0]
   # Convert version string into a version object.
   return _CreateVersion(version)