old_contents: from distutils.core import setup, Extension
  
  setup(name = "Indexer", version = "0.1", ext_modules = [Extension("rabin", ["src/rabin.c", ])])
  
new_contents: from distutils.core import setup, Extension
  import os
  
  os.environ['CFLAGS'] = "-Qunused-arguments"
  setup(name = "Indexer", version = "0.1", ext_modules = [Extension("rabin", ["src/rabin.c", ])])
  
subject: Fix compile error on OS X 10.9