ceph/src/boost/libs/python/fabscript

   1 # -*- python -*-
   2 #
   3 # Copyright (c) 2016 Stefan Seefeld
   4 # All rights reserved.
   5 #
   6 # Distributed under the Boost Software License, Version 1.0.
   7 # (See accompanying file LICENSE_1_0.txt or copy at
   8 # http://www.boost.org/LICENSE_1_0.txt)
   9
  10 from faber.feature import set
  11 from faber.types import cxx
  12 from faber.tools.compiler import cxxflags, define, include
  13 from faber.tools.python import python
  14 from faber.config import report, cxx_checks
  15 from faber.config.try_run import try_run
  16
  17 features += include('include')
  18 features += define('BOOST_ALL_NO_LIB')  # disable auto-linking
  19 boost_include = options.get_with('boost-include')
  20 if boost_include:
  21     features += include(boost_include)
  22 python = python.instance()
  23 features |= set(python.include, python.linkpath, python.libs)
  24
  25 class has_numpy(try_run):
  26
  27     src = r"""
  28 // If defined, enforces linking against PythonXXd.lib, which
  29 // is usually not included in Python environments.
  30 #undef _DEBUG
  31 #include "Python.h"
  32 #define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
  33 #include "numpy/arrayobject.h"
  34
  35 #if PY_VERSION_HEX >= 0x03000000
  36 void *initialize() { import_array();}
  37 #else
  38 void initialize() { import_array();}
  39 #endif
  40
  41 int main()
  42 {
  43   int result = 0;
  44   Py_Initialize();
  45   initialize();
  46   if (PyErr_Occurred())
  47   {
  48     result = 1;
  49   }
  50   else
  51   {
  52     npy_intp dims = 2;
  53     PyObject * a = PyArray_SimpleNew(1, &dims, NPY_INT);
  54     if (!a) result = 1;
  55     Py_DECREF(a);
  56   }
  57   Py_Finalize();
  58   return result;
  59 }
  60 """
  61     def __init__(self, features=()):
  62
  63         inc = ''
  64         try:
  65             inc = python.check_python('import numpy; print(numpy.get_include())')
  66             features |= include(inc)
  67         except Exception:
  68             # ignore errors, the check will fail during compilation...
  69             pass
  70         try_run.__init__(self, 'has_numpy', has_numpy.src, cxx, features,
  71                          if_=(include(inc), define('HAS_NUMPY')))
  72
  73 checks = [cxx_checks.has_cxx11(features, define('HAS_CXX11')),
  74           has_numpy(features)]
  75 config = report('config', checks)
  76
  77 src = module('src', features=config.use)
  78 test = module('test', features=config.use)
  79
  80 default = src.default