Function get_mathlibs

numpy/distutils/misc_util.py:205–230

Return the MATHLIB line from numpyconfig.h

(path=None)

    return minrelpath(joined)

def get_mathlibs(path=None):
    """Return the MATHLIB line from numpyconfig.h
    """
    if path is not None:
        config_file = os.path.join(path, '_numpyconfig.h')
    else:
        # Look for the file in each of the numpy include directories.
        dirs = get_numpy_include_dirs()
        for path in dirs:
            fn = os.path.join(path, '_numpyconfig.h')
            if os.path.exists(fn):
                config_file = fn
                break
        else:
            raise DistutilsError('_numpyconfig.h not found in numpy include '
                'dirs %r' % (dirs,))

    with open(config_file) as fid:
        mathlibs = []
        s = '#define MATHLIB'
        for line in fid:
            if line.startswith(s):
                value = line[len(s):].strip()
                if value:
                    mathlibs.extend(value.split(','))
    return mathlibs

def minrelpath(path):
    """Resolve `..` and '.' from path.