python/fabscript
2018-03-07 15:09:02 -05:00

83 lines
2.2 KiB
Python

# -*- python -*-
#
# Copyright (c) 2016 Stefan Seefeld
# All rights reserved.
#
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
from faber.feature import set
from faber.types import cxx
from faber.tools.compiler import cxxflags, define, include
from faber.tools.python import python
from faber.config import report, cxx_checks
from faber.config.try_run import try_run
features += include('include')
features += define('BOOST_ALL_NO_LIB') # disable auto-linking
boost_include = options.get_with('boost-include')
if boost_include:
features += include(boost_include)
python = python.instance()
py_suffix = '{}{}'.format(*python.version.split('.')[:2])
features |= set(python.include, python.linkpath, python.libs)
class has_numpy(try_run):
src = r"""
// If defined, enforces linking against PythonXXd.lib, which
// is usually not included in Python environments.
#undef _DEBUG
#include "Python.h"
#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
#include "numpy/arrayobject.h"
#if PY_VERSION_HEX >= 0x03000000
void *initialize() { import_array();}
#else
void initialize() { import_array();}
#endif
int main()
{
int result = 0;
Py_Initialize();
initialize();
if (PyErr_Occurred())
{
result = 1;
}
else
{
npy_intp dims = 2;
PyObject * a = PyArray_SimpleNew(1, &dims, NPY_INT);
if (!a) result = 1;
Py_DECREF(a);
}
Py_Finalize();
return result;
}
"""
def __init__(self, features=()):
inc = ''
try:
inc = python.check_python('import numpy; print(numpy.get_include())')
features |= include(inc)
except Exception:
# ignore errors, the check will fail during compilation...
pass
try_run.__init__(self, 'has_numpy', has_numpy.src, cxx, features,
if_=(include(inc), define('HAS_NUMPY')))
checks = [cxx_checks.has_cxx11(features, define('HAS_CXX11')),
has_numpy(features)]
config = report('config', checks)
src = module('src', features=config.use)
test = module('test', features=config.use)
doc = module('doc', features=config.use)
default = src.default