old_contents: from setuptools import setup
  from distutils.core import Extension
  import sys
  import subprocess
  import glob
  
  longDescription= ""
  
  #SFD  extension
  sfd_c_src= glob.glob('mwdust/util/SFD_CodeC/*.c')
  
  sfd_libraries=['m']
  sfd_c= Extension('sfd_c',
                   sources=sfd_c_src,
                   libraries=sfd_libraries,
                   include_dirs=['mwdust/util/SFD_CodeC'])
  
  ext_modules=[sfd_c]
  
  setup(name='mwdust',
        version='1.',
        description='Dust in the Milky Way',
        author='Jo Bovy',
        author_email='bovy@ias.edu',
        license='New BSD',
        long_description=longDescription,
        url='https://github.com/jobovy/mwdust',
        package_dir = {'mwdust/': ''},
        packages=['mwdust',
                  'mwdust/util'],
        install_requires=['numpy','scipy','matplotlib'],
        ext_modules=ext_modules
        )
  
new_contents: from setuptools import setup
  from distutils.core import Extension
  import sys
  import subprocess
  import glob
  
  longDescription= ""
  
  #SFD  extension
  sfd_c_src= glob.glob('mwdust/util/SFD_CodeC/*.c')
  
  sfd_libraries=['m']
  sfd_c= Extension('sfd_c',
                   sources=sfd_c_src,
                   libraries=sfd_libraries,
                   extra_compile_args=['-DLITTLE_ENDIAN'],
                   include_dirs=['mwdust/util/SFD_CodeC'])
  
  ext_modules=[sfd_c]
  
  setup(name='mwdust',
        version='1.',
        description='Dust in the Milky Way',
        author='Jo Bovy',
        author_email='bovy@ias.edu',
        license='New BSD',
        long_description=longDescription,
        url='https://github.com/jobovy/mwdust',
        package_dir = {'mwdust/': ''},
        packages=['mwdust',
                  'mwdust/util'],
        install_requires=['numpy','scipy','matplotlib'],
        ext_modules=ext_modules
        )
  
subject: add little endian