old_contents: #! /usr/bin/env python3
  
  from setuptools import setup
  from setuptools.extension import Extension
  from distutils.sysconfig import get_config_vars
  from subprocess import check_output
  import os
  import sys
  
  # Remove -Wstrict-prototypes option
  # See http://stackoverflow.com/a/29634231/4110059
  cfg_vars = get_config_vars()
  for key, value in cfg_vars.items():
      if type(value) == str:
          cfg_vars[key] = value.replace("-Wstrict-prototypes", "")
  
  try:
      with open('README.rst') as f:
          long_description = ''.join(f.readlines())
  except (IOError, ImportError, RuntimeError):
      print('Could not generate long description.')
      long_description=''
  
  USE_CYTHON = os.path.exists('pyroaring/pyroaring.pyx')
  if USE_CYTHON:
      print('Building pyroaring from Cython sources.')
      check_output(['bash', 'prepare_dist.sh'])
      from Cython.Distutils import build_ext
      from Cython.Build import cythonize
      ext = 'pyx'
  else:
      print('Building pyroaring from C sources.')
      ext = 'cpp'
  
  compile_args=['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS']
  if 'DEBUG' in os.environ:
      compile_args.extend(['-O0', '-g'])
  else:
      compile_args.append('-O3')
  if 'ARCHI' in os.environ:
      compile_args.extend(['-march=%s' % os.environ['ARCHI']])
  else:
      compile_args.append('-march=native')
  
  filename = 'pyroaring/pyroaring.%s' % ext
  pyroaring = Extension('*',
                      sources = [filename, 'pyroaring/roaring.cpp'],
                      extra_compile_args=compile_args,
                      language='c++',
                      )
  if USE_CYTHON:
      pyroaring = cythonize(pyroaring)
  else:
      pyroaring = [pyroaring]
  
  setup(
      name = 'pyroaring',
      ext_modules = pyroaring,
      version='0.1.7',
      description='Fast and lightweight set for unsigned 32 bits integers.',
      long_description = long_description,
      url='https://github.com/Ezibenroc/PyRoaringBitMap',
      author='Tom Cornebize',
      author_email='tom.cornebize@gmail.com',
      license='MIT',
      classifiers=[
          'License :: OSI Approved :: MIT License',
          'Intended Audience :: Developers',
          'Operating System :: POSIX :: Linux',
          'Operating System :: MacOS :: MacOS X',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
      ],
  )
  
new_contents: #! /usr/bin/env python3
  
  from setuptools import setup
  from setuptools.extension import Extension
  from distutils.sysconfig import get_config_vars
  from subprocess import check_output
  import os
  import sys
  
  # Remove -Wstrict-prototypes option
  # See http://stackoverflow.com/a/29634231/4110059
  cfg_vars = get_config_vars()
  for key, value in cfg_vars.items():
      if type(value) == str:
          cfg_vars[key] = value.replace("-Wstrict-prototypes", "")
  
  try:
      with open('README.rst') as f:
          long_description = ''.join(f.readlines())
  except (IOError, ImportError, RuntimeError):
      print('Could not generate long description.')
      long_description=''
  
  USE_CYTHON = os.path.exists('pyroaring/pyroaring.pyx')
  if USE_CYTHON:
      print('Building pyroaring from Cython sources.')
      check_output(['bash', 'prepare_dist.sh'])
      from Cython.Distutils import build_ext
      from Cython.Build import cythonize
      ext = 'pyx'
  else:
      print('Building pyroaring from C sources.')
      ext = 'cpp'
  
  compile_args=['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS']
  if 'DEBUG' in os.environ:
      compile_args.extend(['-O0', '-g'])
  else:
      compile_args.append('-O3')
  if 'ARCHI' in os.environ:
      compile_args.extend(['-march=%s' % os.environ['ARCHI']])
  else:
      compile_args.append('-march=native')
  
  filename = 'pyroaring/pyroaring.%s' % ext
  pyroaring = Extension('*',
                      sources = [filename, 'pyroaring/roaring.cpp'],
                      extra_compile_args=compile_args,
                      language='c++',
                      )
  if USE_CYTHON:
      pyroaring = cythonize(pyroaring, compiler_directives={'binding' : True})
  else:
      pyroaring = [pyroaring]
  
  setup(
      name = 'pyroaring',
      ext_modules = pyroaring,
      version='0.1.7',
      description='Fast and lightweight set for unsigned 32 bits integers.',
      long_description = long_description,
      url='https://github.com/Ezibenroc/PyRoaringBitMap',
      author='Tom Cornebize',
      author_email='tom.cornebize@gmail.com',
      license='MIT',
      classifiers=[
          'License :: OSI Approved :: MIT License',
          'Intended Audience :: Developers',
          'Operating System :: POSIX :: Linux',
          'Operating System :: MacOS :: MacOS X',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
      ],
  )
  
subject: Add the “binding” compiler directive.