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238 lines
7.5 KiB
Python
238 lines
7.5 KiB
Python
from __future__ import division, print_function
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import os
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import shutil
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import pytest
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from tempfile import mkstemp, mkdtemp
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from subprocess import Popen, PIPE
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from distutils.errors import DistutilsError
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from numpy.distutils import ccompiler, customized_ccompiler
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from numpy.testing import assert_, assert_equal
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from numpy.distutils.system_info import system_info, ConfigParser
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from numpy.distutils.system_info import default_lib_dirs, default_include_dirs
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from numpy.distutils import _shell_utils
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def get_class(name, notfound_action=1):
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"""
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notfound_action:
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0 - do nothing
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1 - display warning message
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2 - raise error
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"""
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cl = {'temp1': Temp1Info,
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'temp2': Temp2Info
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}.get(name.lower(), _system_info)
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return cl()
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simple_site = """
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[ALL]
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library_dirs = {dir1:s}{pathsep:s}{dir2:s}
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libraries = {lib1:s},{lib2:s}
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extra_compile_args = -I/fake/directory -I"/path with/spaces" -Os
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runtime_library_dirs = {dir1:s}
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[temp1]
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library_dirs = {dir1:s}
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libraries = {lib1:s}
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runtime_library_dirs = {dir1:s}
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[temp2]
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library_dirs = {dir2:s}
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libraries = {lib2:s}
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extra_link_args = -Wl,-rpath={lib2_escaped:s}
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rpath = {dir2:s}
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"""
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site_cfg = simple_site
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fakelib_c_text = """
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/* This file is generated from numpy/distutils/testing/test_system_info.py */
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#include<stdio.h>
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void foo(void) {
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printf("Hello foo");
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}
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void bar(void) {
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printf("Hello bar");
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}
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"""
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def have_compiler():
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""" Return True if there appears to be an executable compiler
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"""
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compiler = customized_ccompiler()
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try:
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cmd = compiler.compiler # Unix compilers
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except AttributeError:
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try:
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if not compiler.initialized:
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compiler.initialize() # MSVC is different
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except (DistutilsError, ValueError):
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return False
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cmd = [compiler.cc]
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try:
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p = Popen(cmd, stdout=PIPE, stderr=PIPE)
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p.stdout.close()
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p.stderr.close()
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p.wait()
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except OSError:
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return False
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return True
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HAVE_COMPILER = have_compiler()
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class _system_info(system_info):
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def __init__(self,
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default_lib_dirs=default_lib_dirs,
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default_include_dirs=default_include_dirs,
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verbosity=1,
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):
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self.__class__.info = {}
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self.local_prefixes = []
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defaults = {'library_dirs': '',
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'include_dirs': '',
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'runtime_library_dirs': '',
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'rpath': '',
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'src_dirs': '',
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'search_static_first': "0",
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'extra_compile_args': '',
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'extra_link_args': ''}
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self.cp = ConfigParser(defaults)
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# We have to parse the config files afterwards
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# to have a consistent temporary filepath
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def _check_libs(self, lib_dirs, libs, opt_libs, exts):
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"""Override _check_libs to return with all dirs """
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info = {'libraries': libs, 'library_dirs': lib_dirs}
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return info
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class Temp1Info(_system_info):
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"""For testing purposes"""
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section = 'temp1'
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class Temp2Info(_system_info):
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"""For testing purposes"""
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section = 'temp2'
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class TestSystemInfoReading(object):
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def setup(self):
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""" Create the libraries """
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# Create 2 sources and 2 libraries
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self._dir1 = mkdtemp()
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self._src1 = os.path.join(self._dir1, 'foo.c')
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self._lib1 = os.path.join(self._dir1, 'libfoo.so')
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self._dir2 = mkdtemp()
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self._src2 = os.path.join(self._dir2, 'bar.c')
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self._lib2 = os.path.join(self._dir2, 'libbar.so')
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# Update local site.cfg
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global simple_site, site_cfg
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site_cfg = simple_site.format(**{
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'dir1': self._dir1,
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'lib1': self._lib1,
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'dir2': self._dir2,
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'lib2': self._lib2,
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'pathsep': os.pathsep,
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'lib2_escaped': _shell_utils.NativeParser.join([self._lib2])
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})
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# Write site.cfg
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fd, self._sitecfg = mkstemp()
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os.close(fd)
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with open(self._sitecfg, 'w') as fd:
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fd.write(site_cfg)
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# Write the sources
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with open(self._src1, 'w') as fd:
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fd.write(fakelib_c_text)
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with open(self._src2, 'w') as fd:
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fd.write(fakelib_c_text)
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# We create all class-instances
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def site_and_parse(c, site_cfg):
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c.files = [site_cfg]
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c.parse_config_files()
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return c
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self.c_default = site_and_parse(get_class('default'), self._sitecfg)
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self.c_temp1 = site_and_parse(get_class('temp1'), self._sitecfg)
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self.c_temp2 = site_and_parse(get_class('temp2'), self._sitecfg)
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def teardown(self):
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# Do each removal separately
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try:
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shutil.rmtree(self._dir1)
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except Exception:
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pass
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try:
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shutil.rmtree(self._dir2)
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except Exception:
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pass
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try:
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os.remove(self._sitecfg)
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except Exception:
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pass
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def test_all(self):
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# Read in all information in the ALL block
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tsi = self.c_default
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assert_equal(tsi.get_lib_dirs(), [self._dir1, self._dir2])
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assert_equal(tsi.get_libraries(), [self._lib1, self._lib2])
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assert_equal(tsi.get_runtime_lib_dirs(), [self._dir1])
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extra = tsi.calc_extra_info()
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assert_equal(extra['extra_compile_args'], ['-I/fake/directory', '-I/path with/spaces', '-Os'])
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def test_temp1(self):
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# Read in all information in the temp1 block
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tsi = self.c_temp1
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assert_equal(tsi.get_lib_dirs(), [self._dir1])
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assert_equal(tsi.get_libraries(), [self._lib1])
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assert_equal(tsi.get_runtime_lib_dirs(), [self._dir1])
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def test_temp2(self):
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# Read in all information in the temp2 block
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tsi = self.c_temp2
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assert_equal(tsi.get_lib_dirs(), [self._dir2])
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assert_equal(tsi.get_libraries(), [self._lib2])
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# Now from rpath and not runtime_library_dirs
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assert_equal(tsi.get_runtime_lib_dirs(key='rpath'), [self._dir2])
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extra = tsi.calc_extra_info()
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assert_equal(extra['extra_link_args'], ['-Wl,-rpath=' + self._lib2])
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@pytest.mark.skipif(not HAVE_COMPILER, reason="Missing compiler")
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def test_compile1(self):
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# Compile source and link the first source
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c = customized_ccompiler()
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previousDir = os.getcwd()
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try:
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# Change directory to not screw up directories
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os.chdir(self._dir1)
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c.compile([os.path.basename(self._src1)], output_dir=self._dir1)
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# Ensure that the object exists
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assert_(os.path.isfile(self._src1.replace('.c', '.o')) or
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os.path.isfile(self._src1.replace('.c', '.obj')))
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finally:
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os.chdir(previousDir)
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@pytest.mark.skipif(not HAVE_COMPILER, reason="Missing compiler")
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@pytest.mark.skipif('msvc' in repr(ccompiler.new_compiler()),
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reason="Fails with MSVC compiler ")
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def test_compile2(self):
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# Compile source and link the second source
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tsi = self.c_temp2
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c = customized_ccompiler()
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extra_link_args = tsi.calc_extra_info()['extra_link_args']
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previousDir = os.getcwd()
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try:
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# Change directory to not screw up directories
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os.chdir(self._dir2)
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c.compile([os.path.basename(self._src2)], output_dir=self._dir2,
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extra_postargs=extra_link_args)
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# Ensure that the object exists
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assert_(os.path.isfile(self._src2.replace('.c', '.o')))
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finally:
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os.chdir(previousDir)
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