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"""Tests for distutils.unixccompiler."""
import sys
import unittest
from test.support.os_helper import EnvironmentVarGuard
from distutils import sysconfig
from distutils.unixccompiler import UnixCCompiler
class UnixCCompilerTestCase(unittest.TestCase):
def setUp(self):
self._backup_platform = sys.platform
self._backup_get_config_var = sysconfig.get_config_var
self._backup_config_vars = dict(sysconfig._config_vars)
class CompilerWrapper(UnixCCompiler):
def rpath_foo(self):
return self.runtime_library_dir_option('/foo')
self.cc = CompilerWrapper()
def tearDown(self):
sys.platform = self._backup_platform
sysconfig.get_config_var = self._backup_get_config_var
sysconfig._config_vars.clear()
sysconfig._config_vars.update(self._backup_config_vars)
@unittest.skipIf(sys.platform == 'win32', "can't test on Windows")
def test_runtime_libdir_option(self):
# Issue#5900
#
# Ensure RUNPATH is added to extension modules with RPATH if
# GNU ld is used
# darwin
sys.platform = 'darwin'
self.assertEqual(self.cc.rpath_foo(), '-L/foo')
# hp-ux
sys.platform = 'hp-ux'
old_gcv = sysconfig.get_config_var
def gcv(v):
return 'xxx'
sysconfig.get_config_var = gcv
self.assertEqual(self.cc.rpath_foo(), ['+s', '-L/foo'])
def gcv(v):
return 'gcc'
sysconfig.get_config_var = gcv
self.assertEqual(self.cc.rpath_foo(), ['-Wl,+s', '-L/foo'])
def gcv(v):
return 'g++'
sysconfig.get_config_var = gcv
self.assertEqual(self.cc.rpath_foo(), ['-Wl,+s', '-L/foo'])
sysconfig.get_config_var = old_gcv
# GCC GNULD
sys.platform = 'bar'
def gcv(v):
if v == 'CC':
return 'gcc'
elif v == 'GNULD':
return 'yes'
sysconfig.get_config_var = gcv
self.assertEqual(self.cc.rpath_foo(), '-Wl,--enable-new-dtags,-R/foo')
# GCC non-GNULD
sys.platform = 'bar'
def gcv(v):
if v == 'CC':
return 'gcc'
elif v == 'GNULD':
return 'no'
sysconfig.get_config_var = gcv
self.assertEqual(self.cc.rpath_foo(), '-Wl,-R/foo')
# GCC GNULD with fully qualified configuration prefix
# see #7617
sys.platform = 'bar'
def gcv(v):
if v == 'CC':
return 'x86_64-pc-linux-gnu-gcc-4.4.2'
elif v == 'GNULD':
return 'yes'
sysconfig.get_config_var = gcv
self.assertEqual(self.cc.rpath_foo(), '-Wl,--enable-new-dtags,-R/foo')
# non-GCC GNULD
sys.platform = 'bar'
def gcv(v):
if v == 'CC':
return 'cc'
elif v == 'GNULD':
return 'yes'
sysconfig.get_config_var = gcv
self.assertEqual(self.cc.rpath_foo(), '-R/foo')
# non-GCC non-GNULD
sys.platform = 'bar'
def gcv(v):
if v == 'CC':
return 'cc'
elif v == 'GNULD':
return 'no'
sysconfig.get_config_var = gcv
self.assertEqual(self.cc.rpath_foo(), '-R/foo')
@unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for OS X')
def test_osx_cc_overrides_ldshared(self):
# Issue #18080:
# ensure that setting CC env variable also changes default linker
def gcv(v):
if v == 'LDSHARED':
return 'gcc-4.2 -bundle -undefined dynamic_lookup '
return 'gcc-4.2'
sysconfig.get_config_var = gcv
with EnvironmentVarGuard() as env:
env['CC'] = 'my_cc'
del env['LDSHARED']
sysconfig.customize_compiler(self.cc)
self.assertEqual(self.cc.linker_so[0], 'my_cc')
@unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for OS X')
def test_osx_explicit_ldshared(self):
# Issue #18080:
# ensure that setting CC env variable does not change
# explicit LDSHARED setting for linker
def gcv(v):
if v == 'LDSHARED':
return 'gcc-4.2 -bundle -undefined dynamic_lookup '
return 'gcc-4.2'
sysconfig.get_config_var = gcv
with EnvironmentVarGuard() as env:
env['CC'] = 'my_cc'
env['LDSHARED'] = 'my_ld -bundle -dynamic'
sysconfig.customize_compiler(self.cc)
self.assertEqual(self.cc.linker_so[0], 'my_ld')
if __name__ == "__main__":
unittest.main()
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