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#!/usr/bin/env python
import sys
import setuptools
from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext
from git_version import git_version
class get_pybind_include(object):
"""Helper class to determine the pybind11 include path
The purpose of this class is to postpone importing pybind11
until it is actually installed, so that the ``get_include()``
method can be invoked. """
def __init__(self, user=False):
self.user = user
def __str__(self):
import pybind11
return pybind11.get_include(self.user)
# As of Python 3.6, CCompiler has a `has_flag` method.
# cf http://bugs.python.org/issue26689
def has_flag(compiler, flagname):
"""Return a boolean indicating whether a flag name is supported on
the specified compiler.
"""
import tempfile
with tempfile.NamedTemporaryFile('w', suffix='.cpp') as f:
f.write('int main (int argc, char **argv) { return 0; }')
try:
compiler.compile([f.name], extra_postargs=[flagname])
except setuptools.distutils.errors.CompileError:
return False
return True
def cpp_flag(compiler):
"""Return the -std=c++[11/14] compiler flag.
The c++14 is prefered over c++11 (when it is available).
"""
if has_flag(compiler, '-std=c++14'):
return '-std=c++14'
elif has_flag(compiler, '-std=c++11'):
return '-std=c++11'
else:
raise RuntimeError('Unsupported compiler -- at least C++11 support '
'is needed!')
class BuildExt(build_ext):
"""A custom build extension for adding compiler-specific options."""
c_opts = {
'msvc': ['/EHsc'],
'unix': [],
}
if sys.platform == 'darwin':
c_opts['unix'] += ['-stdlib=libc++', '-mmacosx-version-min=10.7']
def build_extensions(self):
ct = self.compiler.compiler_type
opts = self.c_opts.get(ct, [])
link_args = []
if ct == 'unix':
opts.append('-DVERSION_INFO="%s"' % self.distribution.get_version())
opts.append(cpp_flag(self.compiler))
if has_flag(self.compiler, '-fvisibility=hidden'):
opts.append('-fvisibility=hidden')
elif ct == 'msvc':
opts.append('/DVERSION_INFO=\\"%s\\"' % self.distribution.get_version())
if has_flag(self.compiler, '-fopenmp'):
opts.append('-fopenmp')
link_args.append('-fopenmp')
elif has_flag(self.compiler, '-openmp'):
opts.append('-openmp')
link_args.append('-openmp')
for ext in self.extensions:
ext.extra_compile_args = opts
ext.extra_link_args = link_args
build_ext.build_extensions(self)
setup(
name='pyamgcl',
version=git_version(),
description='Solution of large sparse linear systems with Algebraic Multigrid Method',
author='Denis Demidov',
author_email='dennis.demidov@gmail.com',
license='MIT',
url='https://github.com/ddemidov/amgcl',
packages=['pyamgcl'],
include_package_data=True,
exclude_package_data={'': ['CMakeLists.txt', 'pybind11']},
zip_safe=False,
ext_modules=[
Extension('pyamgcl.pyamgcl_ext', ['pyamgcl/pyamgcl.cpp'],
include_dirs=[
'.',
get_pybind_include(),
get_pybind_include(user=True)
],
language='c++'
)
],
install_requires=['pybind11>=1.7'],
cmdclass={'build_ext': BuildExt},
)
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