Add a generic way for generator info to get passed to input to affect process...

pylib/gyp/generator/msvs.py

 #!/usr/bin/python
 
 
 import os
 import re
 import subprocess
 import sys
 import gyp.common
 import gyp.MSVSNew as MSVSNew
 import gyp.MSVSToolFile as MSVSToolFile
 import gyp.MSVSProject as MSVSProject
 import gyp.MSVSVersion as MSVSVersion
 
 
 generator_default_variables = {
     'EXECUTABLE_PREFIX': '',
     'EXECUTABLE_SUFFIX': '.exe',
     'INTERMEDIATE_DIR': '$(IntDir)',
     'SHARED_INTERMEDIATE_DIR': '$(OutDir)/obj/global_intermediate',
     'OS': 'win',
     'PRODUCT_DIR': '$(OutDir)',
     'RULE_INPUT_ROOT': '$(InputName)',
     'RULE_INPUT_EXT': '$(InputExt)',
     'RULE_INPUT_NAME': '$(InputFileName)',
     'RULE_INPUT_PATH': '$(InputPath)',
 }
 
+# The msvs specific sections that hold paths
+generator_additional_path_sections = [
+  'msvs_cygwin_dirs',
+  'msvs_props',
+]
 
 def _FixPath(path):
   """Convert paths to a form that will make sense in a vcproj file.
 
   Arguments:
     path: The path to convert, may contain / etc.
   Returns:
     The path with all slashes made into backslashes.
   """
   return path.replace('/', '\\')
@@ skipping 810 matching lines @@
       _ProjectObject(sln_path, p, project_objs, projects)
     # Create folder hierarchy.
     root_entries = _GatherSolutionFolders(project_objs)
     # Create solution.
     sln = MSVSNew.MSVSSolution(sln_path,
                                entries=root_entries,
                                variants=configs,
                                websiteProperties=False,
                                version=msvs_version)
     sln.Write()