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# SPDX-License-Identifier: Apache-2.0
# Copyright 2016-2021 The Meson development team
import subprocess
import re
import os
import platform
import unittest
from mesonbuild.mesonlib import (
MachineChoice, is_osx, version_compare
)
from mesonbuild.compilers import (
detect_c_compiler
)
from run_tests import (
get_fake_env
)
from .baseplatformtests import BasePlatformTests
from .helpers import *
@unittest.skipUnless(is_osx(), "requires Darwin")
class DarwinTests(BasePlatformTests):
'''
Tests that should run on macOS
'''
def setUp(self):
super().setUp()
self.platform_test_dir = os.path.join(self.src_root, 'test cases/osx')
def test_apple_bitcode(self):
'''
Test that -fembed-bitcode is correctly added while compiling and
-bitcode_bundle is added while linking when b_bitcode is true and not
when it is false. This can't be an ordinary test case because we need
to inspect the compiler database.
'''
testdir = os.path.join(self.platform_test_dir, '7 bitcode')
env = get_fake_env(testdir, self.builddir, self.prefix)
cc = detect_c_compiler(env, MachineChoice.HOST)
if cc.id != 'clang':
raise unittest.SkipTest('Not using Clang on OSX')
# Try with bitcode enabled
out = self.init(testdir, extra_args='-Db_bitcode=true')
# Warning was printed
self.assertRegex(out, 'WARNING:.*b_bitcode')
# Compiler options were added
for compdb in self.get_compdb():
if 'module' in compdb['file']:
self.assertNotIn('-fembed-bitcode', compdb['command'])
else:
self.assertIn('-fembed-bitcode', compdb['command'])
build_ninja = os.path.join(self.builddir, 'build.ninja')
# Linker options were added
with open(build_ninja, encoding='utf-8') as f:
contents = f.read()
m = re.search('LINK_ARGS =.*-bitcode_bundle', contents)
self.assertIsNotNone(m, msg=contents)
# Try with bitcode disabled
self.setconf('-Db_bitcode=false')
# Regenerate build
self.build()
for compdb in self.get_compdb():
self.assertNotIn('-fembed-bitcode', compdb['command'])
build_ninja = os.path.join(self.builddir, 'build.ninja')
with open(build_ninja, encoding='utf-8') as f:
contents = f.read()
m = re.search('LINK_ARGS =.*-bitcode_bundle', contents)
self.assertIsNone(m, msg=contents)
def test_apple_bitcode_modules(self):
'''
Same as above, just for shared_module()
'''
testdir = os.path.join(self.common_test_dir, '148 shared module resolving symbol in executable')
# Ensure that it builds even with bitcode enabled
self.init(testdir, extra_args='-Db_bitcode=true')
self.build()
self.run_tests()
@unittest.skipIf(version_compare(platform.mac_ver()[0], '<10.7'), '-export_dynamic was added in 10.7')
def test_apple_lto_export_dynamic(self):
'''
Tests that -Wl,-export_dynamic is correctly added, when export_dynamic: true is set.
On macOS, this is relevant for LTO builds only.
'''
testdir = os.path.join(self.common_test_dir, '148 shared module resolving symbol in executable')
# Ensure that it builds even with LTO enabled
env = {'CFLAGS': '-flto'}
self.init(testdir, override_envvars=env)
self.build()
self.run_tests()
def _get_darwin_versions(self, fname):
fname = os.path.join(self.builddir, fname)
out = subprocess.check_output(['otool', '-L', fname], universal_newlines=True)
m = re.match(r'.*version (.*), current version (.*)\)', out.split('\n')[1])
self.assertIsNotNone(m, msg=out)
return m.groups()
def _get_darwin_rpaths(self, fname: str) -> T.List[str]:
out = subprocess.check_output(['otool', '-l', fname], universal_newlines=True)
pattern = re.compile(r'path (.*) \(offset \d+\)')
rpaths = pattern.findall(out)
return rpaths
@skipIfNoPkgconfig
def test_library_versioning(self):
'''
Ensure that compatibility_version and current_version are set correctly
'''
testdir = os.path.join(self.platform_test_dir, '2 library versions')
self.init(testdir)
self.build()
targets = {}
for t in self.introspect('--targets'):
targets[t['name']] = t['filename'][0] if isinstance(t['filename'], list) else t['filename']
self.assertEqual(self._get_darwin_versions(targets['some']), ('7.0.0', '7.0.0'))
self.assertEqual(self._get_darwin_versions(targets['noversion']), ('0.0.0', '0.0.0'))
self.assertEqual(self._get_darwin_versions(targets['onlyversion']), ('1.0.0', '1.0.0'))
self.assertEqual(self._get_darwin_versions(targets['onlysoversion']), ('5.0.0', '5.0.0'))
self.assertEqual(self._get_darwin_versions(targets['intver']), ('2.0.0', '2.0.0'))
self.assertEqual(self._get_darwin_versions(targets['stringver']), ('2.3.0', '2.3.0'))
self.assertEqual(self._get_darwin_versions(targets['stringlistver']), ('2.4.0', '2.4.0'))
self.assertEqual(self._get_darwin_versions(targets['intstringver']), ('1111.0.0', '2.5.0'))
self.assertEqual(self._get_darwin_versions(targets['stringlistvers']), ('2.6.0', '2.6.1'))
def test_duplicate_rpath(self):
testdir = os.path.join(self.unit_test_dir, '10 build_rpath')
# We purposely pass a duplicate rpath to Meson, in order
# to ascertain that Meson does not call install_name_tool
# with duplicate -delete_rpath arguments, which would
# lead to erroring out on installation
env = {"LDFLAGS": "-Wl,-rpath,/foo/bar"}
self.init(testdir, override_envvars=env)
self.build()
self.install()
def test_removing_unused_linker_args(self):
testdir = os.path.join(self.common_test_dir, '104 has arg')
env = {'CFLAGS': '-L/tmp -L /var/tmp -headerpad_max_install_names -Wl,-export_dynamic -framework Foundation'}
self.init(testdir, override_envvars=env)
def test_objc_versions(self):
# Objective-C always uses the C standard version.
# Objective-C++ always uses the C++ standard version.
# This is what most people seem to want and in addition
# it is the only setup supported by Xcode.
testdir = os.path.join(self.objc_test_dir, '1 simple')
self.init(testdir)
self.assertIn('-std=c99', self.get_compdb()[0]['command'])
self.wipe()
testdir = os.path.join(self.objcpp_test_dir, '1 simple')
self.init(testdir)
self.assertIn('-std=c++14', self.get_compdb()[0]['command'])
def test_darwin_get_object_archs(self):
from mesonbuild.mesonlib import darwin_get_object_archs
archs = darwin_get_object_archs('/bin/cat')
self.assertEqual(archs, ['x86_64', 'aarch64'])
def test_darwin_meson_rpaths_removed_on_install(self):
testdir = os.path.join(self.darwin_test_dir, '1 rpath removal on install')
self.init(testdir)
self.build()
# Meson-created RPATHs are usually only valid in the build directory
rpaths = self._get_darwin_rpaths(os.path.join(self.builddir, 'libbar.dylib'))
self.assertListEqual(rpaths, ['@loader_path/foo'])
self.install()
# Those RPATHs are no longer valid and should not be present after installation
rpaths = self._get_darwin_rpaths(os.path.join(self.installdir, 'usr/lib/libbar.dylib'))
self.assertListEqual(rpaths, [])
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