1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
|
"""Tests for distutils.unixccompiler."""
import os
import sys
import unittest
from test.support import run_unittest
from unittest.mock import patch
from .py38compat import EnvironmentVarGuard
from distutils import sysconfig
from distutils.errors import DistutilsPlatformError
from distutils.unixccompiler import UnixCCompiler
from distutils.util import _clear_cached_macosx_ver
from . import support
class UnixCCompilerTestCase(support.TempdirManager, unittest.TestCase):
def setUp(self):
super().setUp()
self._backup_platform = sys.platform
self._backup_get_config_var = sysconfig.get_config_var
self._backup_get_config_vars = sysconfig.get_config_vars
class CompilerWrapper(UnixCCompiler):
def rpath_foo(self):
return self.runtime_library_dir_option('/foo')
self.cc = CompilerWrapper()
def tearDown(self):
super().tearDown()
sys.platform = self._backup_platform
sysconfig.get_config_var = self._backup_get_config_var
sysconfig.get_config_vars = self._backup_get_config_vars
@unittest.skipIf(sys.platform == 'win32', "can't test on Windows")
def test_runtime_libdir_option(self):
# Issue #5900; GitHub Issue #37
#
# Ensure RUNPATH is added to extension modules with RPATH if
# GNU ld is used
# darwin
sys.platform = 'darwin'
darwin_ver_var = 'MACOSX_DEPLOYMENT_TARGET'
darwin_rpath_flag = '-Wl,-rpath,/foo'
darwin_lib_flag = '-L/foo'
# (macOS version from syscfg, macOS version from env var) -> flag
# Version value of None generates two tests: as None and as empty string
# Expected flag value of None means an mismatch exception is expected
darwin_test_cases = [
((None , None ), darwin_lib_flag),
((None , '11' ), darwin_rpath_flag),
(('10' , None ), darwin_lib_flag),
(('10.3' , None ), darwin_lib_flag),
(('10.3.1', None ), darwin_lib_flag),
(('10.5' , None ), darwin_rpath_flag),
(('10.5.1', None ), darwin_rpath_flag),
(('10.3' , '10.3' ), darwin_lib_flag),
(('10.3' , '10.5' ), darwin_rpath_flag),
(('10.5' , '10.3' ), darwin_lib_flag),
(('10.5' , '11' ), darwin_rpath_flag),
(('10.4' , '10' ), None),
]
def make_darwin_gcv(syscfg_macosx_ver):
def gcv(var):
if var == darwin_ver_var:
return syscfg_macosx_ver
return "xxx"
return gcv
def do_darwin_test(syscfg_macosx_ver, env_macosx_ver, expected_flag):
env = os.environ
msg = "macOS version = (sysconfig=%r, env=%r)" % \
(syscfg_macosx_ver, env_macosx_ver)
# Save
old_gcv = sysconfig.get_config_var
old_env_macosx_ver = env.get(darwin_ver_var)
# Setup environment
_clear_cached_macosx_ver()
sysconfig.get_config_var = make_darwin_gcv(syscfg_macosx_ver)
if env_macosx_ver is not None:
env[darwin_ver_var] = env_macosx_ver
elif darwin_ver_var in env:
env.pop(darwin_ver_var)
# Run the test
if expected_flag is not None:
self.assertEqual(self.cc.rpath_foo(), expected_flag, msg=msg)
else:
with self.assertRaisesRegex(DistutilsPlatformError,
darwin_ver_var + r' mismatch', msg=msg):
self.cc.rpath_foo()
# Restore
if old_env_macosx_ver is not None:
env[darwin_ver_var] = old_env_macosx_ver
elif darwin_ver_var in env:
env.pop(darwin_ver_var)
sysconfig.get_config_var = old_gcv
_clear_cached_macosx_ver()
for macosx_vers, expected_flag in darwin_test_cases:
syscfg_macosx_ver, env_macosx_ver = macosx_vers
do_darwin_test(syscfg_macosx_ver, env_macosx_ver, expected_flag)
# Bonus test cases with None interpreted as empty string
if syscfg_macosx_ver is None:
do_darwin_test("", env_macosx_ver, expected_flag)
if env_macosx_ver is None:
do_darwin_test(syscfg_macosx_ver, "", expected_flag)
if syscfg_macosx_ver is None and env_macosx_ver is None:
do_darwin_test("", "", expected_flag)
old_gcv = sysconfig.get_config_var
# hp-ux
sys.platform = 'hp-ux'
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')
def gcv(v):
if v == 'CC':
return 'gcc -pthread -B /bar'
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(), '-Wl,--enable-new-dtags,-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(), '-Wl,-R/foo')
@unittest.skipIf(sys.platform == 'win32', "can't test on Windows")
def test_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'
def gcvs(*args, _orig=sysconfig.get_config_vars):
if args:
return list(map(sysconfig.get_config_var, args))
return _orig()
sysconfig.get_config_var = gcv
sysconfig.get_config_vars = gcvs
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.skipIf(sys.platform == 'win32', "can't test on Windows")
def test_cc_overrides_ldshared_for_cxx_correctly(self):
"""
Ensure that setting CC env variable also changes default linker
correctly when building C++ extensions.
pypa/distutils#126
"""
def gcv(v):
if v == 'LDSHARED':
return 'gcc-4.2 -bundle -undefined dynamic_lookup '
elif v == 'CXX':
return 'g++-4.2'
return 'gcc-4.2'
def gcvs(*args, _orig=sysconfig.get_config_vars):
if args:
return list(map(sysconfig.get_config_var, args))
return _orig()
sysconfig.get_config_var = gcv
sysconfig.get_config_vars = gcvs
with patch.object(self.cc, 'spawn', return_value=None) as mock_spawn, \
patch.object(self.cc, '_need_link', return_value=True), \
patch.object(self.cc, 'mkpath', return_value=None), \
EnvironmentVarGuard() as env:
env['CC'] = 'ccache my_cc'
env['CXX'] = 'my_cxx'
del env['LDSHARED']
sysconfig.customize_compiler(self.cc)
self.assertEqual(self.cc.linker_so[0:2], ['ccache', 'my_cc'])
self.cc.link(None, [], 'a.out', target_lang='c++')
call_args = mock_spawn.call_args[0][0]
expected = ['my_cxx', '-bundle', '-undefined', 'dynamic_lookup']
assert call_args[:4] == expected
@unittest.skipIf(sys.platform == 'win32', "can't test on Windows")
def test_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'
def gcvs(*args, _orig=sysconfig.get_config_vars):
if args:
return list(map(sysconfig.get_config_var, args))
return _orig()
sysconfig.get_config_var = gcv
sysconfig.get_config_vars = gcvs
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')
def test_has_function(self):
# Issue https://github.com/pypa/distutils/issues/64:
# ensure that setting output_dir does not raise
# FileNotFoundError: [Errno 2] No such file or directory: 'a.out'
self.cc.output_dir = 'scratch'
os.chdir(self.mkdtemp())
self.cc.has_function('abort', includes=['stdlib.h'])
def test_suite():
return unittest.TestLoader().loadTestsFromTestCase(UnixCCompilerTestCase)
if __name__ == "__main__":
run_unittest(test_suite())
|
