old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from __future__ import print_function
  from setuptools import setup
  import re
  import os
  import sys
  
  # load version form _version.py
  VERSIONFILE = "GPflow/_version.py"
  verstrline = open(VERSIONFILE, "rt").read()
  VSRE = r"^__version__ = ['\"]([^'\"]*)['\"]"
  mo = re.search(VSRE, verstrline, re.M)
  if mo:
      verstr = mo.group(1)
  else:
      raise RuntimeError("Unable to find version string in %s." % (VERSIONFILE,))
  
  # Compile the bespoke TensorFlow ops in-place. Not sure how this would work if this script wasn't executed as `develop`.
  compile_command = "g++ -std=c++11 -shared ./GPflow/tfops/vec_to_tri.cc " \
                    "GPflow/tfops/tri_to_vec.cc -o GPflow/tfops/matpackops.so " \
                    "-fPIC -I $(python -c 'import tensorflow as tf; print(tf.sysconfig.get_include())')"
  if sys.platform == "darwin":
      # Additional command for Macs, as instructed by the TensorFlow docs
      compile_command += " -undefined dynamic_lookup"
  elif sys.platform.startswith("linux"):
      gcc_version = int(re.search('\d+.', os.popen("gcc --version").read()).group()[0])
      if gcc_version == 5:
          compile_command += " -D_GLIBCXX_USE_CXX11_ABI=0"
  os.system(compile_command)
  
  setup(name='GPflow',
        version=verstr,
        author="James Hensman, Alex Matthews",
        author_email="james.hensman@gmail.com",
        description=("Gaussian process methods in tensorflow"),
        license="BSD 3-clause",
        keywords="machine-learning gaussian-processes kernels tensorflow",
        url="http://github.com/gpflow/gpflow",
        package_data={'GPflow': ['GPflow/tfops/*.so', 'GPflow/gpflowrc']},
        include_package_data=True,
        ext_modules=[],
        packages=["GPflow"],
        package_dir={'GPflow': 'GPflow'},
        py_modules=['GPflow.__init__'],
        test_suite='testing',
        install_requires=['numpy>=1.9', 'scipy>=0.16', 'tensorflow>=0.11.0rc1', 'pandas>=0.18.1'],
        classifiers=['License :: OSI Approved :: BSD License',
                     'Natural Language :: English',
                     'Operating System :: MacOS :: MacOS X',
                     'Operating System :: Microsoft :: Windows',
                     'Operating System :: POSIX :: Linux',
                     'Programming Language :: Python :: 2.7',
                     'Topic :: Scientific/Engineering :: Artificial Intelligence']
        )
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from __future__ import print_function
  from setuptools import setup
  import re
  import os
  import sys
  
  # load version form _version.py
  VERSIONFILE = "GPflow/_version.py"
  verstrline = open(VERSIONFILE, "rt").read()
  VSRE = r"^__version__ = ['\"]([^'\"]*)['\"]"
  mo = re.search(VSRE, verstrline, re.M)
  if mo:
      verstr = mo.group(1)
  else:
      raise RuntimeError("Unable to find version string in %s." % (VERSIONFILE,))
  
  # Compile the bespoke TensorFlow ops in-place. Not sure how this would work if this script wasn't executed as `develop`.
  compile_command = "g++ -std=c++11 -shared ./GPflow/tfops/vec_to_tri.cc " \
                    "GPflow/tfops/tri_to_vec.cc -o GPflow/tfops/matpackops.so " \
                    "-fPIC -I $(python -c 'import tensorflow as tf; print(tf.sysconfig.get_include())')"
  if sys.platform == "darwin":
      # Additional command for Macs, as instructed by the TensorFlow docs
      compile_command += " -undefined dynamic_lookup"
  elif sys.platform.startswith("linux"):
      gcc_version = int(re.search('\d+.', os.popen("gcc --version").read()).group()[0])
      if gcc_version > 4:
          compile_command += " -D_GLIBCXX_USE_CXX11_ABI=0"
  os.system(compile_command)
  
  setup(name='GPflow',
        version=verstr,
        author="James Hensman, Alex Matthews",
        author_email="james.hensman@gmail.com",
        description=("Gaussian process methods in tensorflow"),
        license="BSD 3-clause",
        keywords="machine-learning gaussian-processes kernels tensorflow",
        url="http://github.com/gpflow/gpflow",
        package_data={'GPflow': ['GPflow/tfops/*.so', 'GPflow/gpflowrc']},
        include_package_data=True,
        ext_modules=[],
        packages=["GPflow"],
        package_dir={'GPflow': 'GPflow'},
        py_modules=['GPflow.__init__'],
        test_suite='testing',
        install_requires=['numpy>=1.9', 'scipy>=0.16', 'tensorflow>=0.11.0rc1', 'pandas>=0.18.1'],
        classifiers=['License :: OSI Approved :: BSD License',
                     'Natural Language :: English',
                     'Operating System :: MacOS :: MacOS X',
                     'Operating System :: Microsoft :: Windows',
                     'Operating System :: POSIX :: Linux',
                     'Programming Language :: Python :: 2.7',
                     'Topic :: Scientific/Engineering :: Artificial Intelligence']
        )
  
subject: Fix matpackops compilation with gcc 6 (#222)