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 py_suffix = '{}{}'.format(*python.version.split('.')[:2])
  24 features |= set(python.include, python.linkpath, python.libs)
  25
  26 class has_numpy(try_run):
  27
  28     src = r"""
  29 // If defined, enforces linking against PythonXXd.lib, which
  30 // is usually not included in Python environments.
  31 #undef _DEBUG
  32 #include "Python.h"
  33 #define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
  34 #include "numpy/arrayobject.h"
  35
  36 #if PY_VERSION_HEX >= 0x03000000
  37 void *initialize() { import_array();}
  38 #else
  39 void initialize() { import_array();}
  40 #endif
  41
  42 int main()
  43 {
  44   int result = 0;
  45   Py_Initialize();
  46   initialize();
  47   if (PyErr_Occurred())
  48   {
  49     result = 1;
  50   }
  51   else
  52   {
  53     npy_intp dims = 2;
  54     PyObject * a = PyArray_SimpleNew(1, &dims, NPY_INT);
  55     if (!a) result = 1;
  56     Py_DECREF(a);
  57   }
  58   Py_Finalize();
  59   return result;
  60 }
  61 """
  62     def __init__(self, features=()):
  63
  64         inc = ''
  65         try:
  66             inc = python.check_python('import numpy; print(numpy.get_include())')
  67             features |= include(inc)
  68         except Exception:
  69             # ignore errors, the check will fail during compilation...
  70             pass
  71         try_run.__init__(self, 'has_numpy', has_numpy.src, cxx, features,
  72                          if_=(include(inc), define('HAS_NUMPY')))
  73
  74 checks = [cxx_checks.has_cxx11(features, define('HAS_CXX11')),
  75           has_numpy(features)]
  76 config = report('config', checks)
  77
  78 src = module('src', features=config.use)
  79 test = module('test', features=config.use)
  80 doc = module('doc', features=config.use)
  81
  82 default = src.default