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

pylib/gyp/generator/scons.py

 #!/usr/bin/python
 
 
 import gyp
 import gyp.common
 # TODO(sgk):  create a separate "project module" for SCons?
 #import gyp.SCons as SCons
 import os.path
 import pprint
 import re
 
 
 generator_default_variables = {
     'EXECUTABLE_PREFIX': '',
     'EXECUTABLE_SUFFIX': '',
     'INTERMEDIATE_DIR': '$OBJ_DIR/$COMPONENT_NAME/$TARGET_NAME/intermediate',
     'SHARED_INTERMEDIATE_DIR': '$OBJ_DIR/global_intermediate',
     'OS': 'linux',
     'PRODUCT_DIR': '$TOP_BUILDDIR',
     'RULE_INPUT_ROOT': '${SOURCE.filebase}',
     'RULE_INPUT_EXT': '${SOURCE.suffix}',
     'RULE_INPUT_NAME': '${SOURCE.file}',
     'RULE_INPUT_PATH': '${SOURCE}',
 }
 
+generator_handles_variants = True
 
 header = """\
 # This file is generated; do not edit.
 """
 
 
 def WriteList(fp, list, prefix='',
                         separator=',\n    ',
                         preamble=None,
                         postamble=None):
@@ skipping 738 matching lines @@
       if target_dicts[t]['type'] == 'settings':
         continue
       bf, target = gyp.common.BuildFileAndTarget('', t)[:2]
       target_filename = TargetFilename(target, bf, options.suffix)
       tpath = gyp.common.RelativePath(target_filename, output_dir)
       sconscript_files[target] = tpath
 
     if sconscript_files:
       GenerateSConscriptWrapper(data[build_file], basename,
                                 output_filename, sconscript_files)