first stab at setup.py

setup.py

+from setuptools import setup, Extension, Distribution
+import setuptools.command.build_ext
+
+import sys
+import sysconfig
+import os
+import os.path
+import distutils.sysconfig
+import itertools
+from glob import iglob
+
+
+def _get_sharp_libname():
+    builder = setuptools.command.build_ext.build_ext(Distribution())
+    full_name = builder.get_ext_filename('libsharp')
+    without_lib = full_name.split('lib', 1)[-1]
+    without_so = without_lib.rsplit('.so', 1)[0]
+    return without_so
+
+
+def _get_distutils_build_directory():
+    """
+    Returns the directory distutils uses to build its files.
+    We need this directory since we build extensions which have to link
+    other ones.
+    """
+    pattern = "lib.{platform}-{major}.{minor}"
+    return os.path.join('build', pattern.format(platform=sysconfig.get_platform(),
+                                                major=sys.version_info[0],
+                                                minor=sys.version_info[1]))
+
+
+def _strip_inc(input):
+    res = []
+    for i in input:
+        if ("inc.c" not in i) and ("inc2.c" not in i) and \
+           ("inchelper.c" not in i):
+            res.append(i)
+    return res
+
+
+def _get_cc_files(directory):
+    path = directory
+    iterable_sources = (iglob(os.path.join(root, '*.cc'))
+                        for root, dirs, files in os.walk(path))
+    source_files = itertools.chain.from_iterable(iterable_sources)
+    return list(source_files)
+
+
+def _get_c_files(directory):
+    path = directory
+    iterable_sources = (iglob(os.path.join(root, '*.c'))
+                        for root, dirs, files in os.walk(path))
+    source_files = itertools.chain.from_iterable(iterable_sources)
+    return _strip_inc(list(source_files))
+
+
+def _remove_strict_prototype_option_from_distutils_config():
+    strict_prototypes = '-Wstrict-prototypes'
+    config = distutils.sysconfig.get_config_vars()
+    for key, value in config.items():
+        if strict_prototypes in str(value):
+            config[key] = config[key].replace(strict_prototypes, '')
+
+_remove_strict_prototype_option_from_distutils_config()
+
+extra_compile_args = ['-fopenmp', '-march=native']
+extra_cc_compile_args = []
+include_dirs = ['c_utils/', 'libfftpack/', 'libsharp/', 'cxxsupport',
+                'Healpix_cxx', './']
+
+library_dirs = [_get_distutils_build_directory()]
+python_module_link_args = []
+base_library_link_args = []
+
+if sys.platform == 'darwin':
+    extra_cc_compile_args.append('--std=c++14')
+    extra_cc_compile_args.append('--stdlib=libc++')
+    extra_compile_args.append('-mmacosx-version-min=10.9')
+
+    vars = distutils.sysconfig.get_config_vars()
+    vars['LDSHARED'] = vars['LDSHARED'].replace('-bundle', '')
+    python_module_link_args.append('-bundle')
+    builder = setuptools.command.build_ext.build_ext(Distribution())
+    full_name = builder.get_ext_filename('libsharp')
+    base_library_link_args.append(
+                   '-Wl,-dylib_install_name,@loader_path/{}'.format(full_name))
+    base_library_link_args.append('-dynamiclib')
+else:
+    extra_cc_compile_args.append('--std=c++14')
+    python_module_link_args.append("-Wl,-rpath,$ORIGIN")
+
+extra_cc_compile_args = extra_compile_args + extra_cc_compile_args
+
+
+def get_extension_modules():
+    extension_modules = []
+
+    """
+    Extension module which is actually a plain C library without Python
+    bindings
+    """
+    sharp_sources = _get_c_files('c_utils') + _get_c_files('libfftpack') + \
+        _get_c_files('libsharp')
+    sharp_library = Extension('libsharp',
+                              sources=sharp_sources,
+                              include_dirs=include_dirs,
+                              extra_compile_args=extra_compile_args,
+                              extra_link_args=base_library_link_args,
+                              libraries=[],
+                              library_dirs=library_dirs)
+    sharp_libs = [_get_sharp_libname()]
+    extension_modules.append(sharp_library)
+
+    """
+    Healpix C++ and Python bindings
+    """
+    pyhealpix_sources = _get_cc_files('.')
+    pyhealpix_library = Extension('pyHealpix',
+                                  sources=pyhealpix_sources,
+                                  include_dirs=include_dirs,
+                                  extra_compile_args=extra_cc_compile_args,
+                                  libraries=['gomp']+sharp_libs,
+                                  extra_link_args=python_module_link_args,
+                                  library_dirs=library_dirs)
+    extension_modules.append(pyhealpix_library)
+
+    return extension_modules
+
+
+setup(name='pyHealpix',
+      version='0.0.1',
+      description='Python bindings for some HEALPix C++ functionality',
+      include_package_data=True,
+      author='Martin Reinecke',
+      author_email='martin@mpa-garching.mpg.de',
+      packages=[],
+      extras_require={'numpy': 'numpy>=1.10.4'},
+      ext_modules=get_extension_modules(),
+      install_requires=[]
+      )