setup.py

from __future__ import absolute_import, print_function

import os
import sys

from distutils.core import setup
from distutils.extension import Extension
from Cython.Build import cythonize


# For demo purposes, we build our own tiny library.
try:
    print("building libmymath.a")
    assert os.system("gcc -shared -fPIC -c mymath.c -o mymath.o") == 0
    assert os.system("ar rcs libmymath.a mymath.o") == 0
except:
    if not os.path.exists("libmymath.a"):
        print("Error building external library, please create libmymath.a manually.")
        sys.exit(1)

# Here is how to use the library built above.
ext_modules = cythonize([
    Extension(
        "call_mymath.call_mymath",
        sources=["src/call_mymath/call_mymath.pyx"],
        include_dirs=[os.getcwd()],  # path to .h file(s)
        library_dirs=[os.getcwd()],  # path to .a or .so file(s)
        libraries=['mymath'],
        extra_compile_args=['-DCYTHON_TRACE=1']
    ),
    Extension(
        "call_mymath.flat_ns_call_mymath",
        sources=["src/flat_ns_call_mymath.pyx"],
        include_dirs=[os.getcwd()],  # path to .h file(s)
        library_dirs=[os.getcwd()],  # path to .a or .so file(s)
        libraries=['mymath'],
        extra_compile_args=['-DCYTHON_TRACE=1']
        ),
    ],
    compiler_directives={
        'embedsignature': True,
        'emit_code_comments': True,
        'linetrace': True,
        'profile': True,
    },
)

setup(
    name='Demos',
    ext_modules=ext_modules,
    package_dir={'': 'src'},
    packages=['call_mymath'],
)