diff -rupN before/pylib/gyp/input.py after/pylib/gyp/input.py
--- before/pylib/gyp/input.py	2012-11-20 16:38:09.394784918 -0800
+++ after/pylib/gyp/input.py	2012-11-20 16:39:10.527105964 -0800
@@ -2156,17 +2156,6 @@ def ValidateSourcesInTarget(target, targ
     basename = os.path.basename(name)  # Don't include extension.
     basenames.setdefault(basename, []).append(source)
 
-  error = ''
-  for basename, files in basenames.iteritems():
-    if len(files) > 1:
-      error += '  %s: %s\n' % (basename, ' '.join(files))
-
-  if error:
-    print ('static library %s has several files with the same basename:\n' %
-           target + error + 'Some build systems, e.g. MSVC08, '
-           'cannot handle that.')
-    raise KeyError, 'Duplicate basenames in sources section, see list above'
-
 
 def ValidateRulesInTarget(target, target_dict, extra_sources_for_rules):
   """Ensures that the rules sections in target_dict are valid and consistent,