# Copyright 2016-2021 The Meson development team # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # http://www.apache.org/licenses/LICENSE-2.0 # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import os import shutil import unittest import platform from mesonbuild.mesonlib import ( is_windows, is_cygwin ) from mesonbuild.mesonlib import MesonException from .baseplatformtests import BasePlatformTests from .helpers import * class BaseLinuxCrossTests(BasePlatformTests): # Don't pass --libdir when cross-compiling. We have tests that # check whether meson auto-detects it correctly. libdir = None def should_run_cross_arm_tests(): return shutil.which('arm-linux-gnueabihf-gcc') and not platform.machine().lower().startswith('arm') @unittest.skipUnless(not is_windows() and should_run_cross_arm_tests(), "requires ability to cross compile to ARM") class LinuxCrossArmTests(BaseLinuxCrossTests): ''' Tests that cross-compilation to Linux/ARM works ''' def setUp(self): super().setUp() self.meson_cross_files = [os.path.join(self.src_root, 'cross', 'ubuntu-armhf.txt')] def test_cflags_cross_environment_pollution(self): ''' Test that the CFLAGS environment variable does not pollute the cross environment. This can't be an ordinary test case because we need to inspect the compiler database. ''' testdir = os.path.join(self.common_test_dir, '3 static') self.init(testdir, override_envvars={'CFLAGS': '-DBUILD_ENVIRONMENT_ONLY'}) compdb = self.get_compdb() self.assertNotIn('-DBUILD_ENVIRONMENT_ONLY', compdb[0]['command']) def test_cross_file_overrides_always_args(self): ''' Test that $lang_args in cross files always override get_always_args(). Needed for overriding the default -D_FILE_OFFSET_BITS=64 on some architectures such as some Android versions and Raspbian. https://github.com/mesonbuild/meson/issues/3049 https://github.com/mesonbuild/meson/issues/3089 ''' testdir = os.path.join(self.unit_test_dir, '33 cross file overrides always args') self.meson_cross_files = [os.path.join(testdir, 'ubuntu-armhf-overrides.txt')] self.init(testdir) compdb = self.get_compdb() self.assertRegex(compdb[0]['command'], '-D_FILE_OFFSET_BITS=64.*-U_FILE_OFFSET_BITS') self.build() def test_cross_libdir(self): # When cross compiling "libdir" should default to "lib" # rather than "lib/x86_64-linux-gnu" or something like that. testdir = os.path.join(self.common_test_dir, '1 trivial') self.init(testdir) for i in self.introspect('--buildoptions'): if i['name'] == 'libdir': self.assertEqual(i['value'], 'lib') return self.assertTrue(False, 'Option libdir not in introspect data.') def test_cross_libdir_subproject(self): # Guard against a regression where calling "subproject" # would reset the value of libdir to its default value. testdir = os.path.join(self.unit_test_dir, '75 subdir libdir') self.init(testdir, extra_args=['--libdir=fuf']) for i in self.introspect('--buildoptions'): if i['name'] == 'libdir': self.assertEqual(i['value'], 'fuf') return self.assertTrue(False, 'Libdir specified on command line gets reset.') def test_std_remains(self): # C_std defined in project options must be in effect also when cross compiling. testdir = os.path.join(self.unit_test_dir, '50 noncross options') self.init(testdir) compdb = self.get_compdb() self.assertRegex(compdb[0]['command'], '-std=c99') self.build() @skipIfNoPkgconfig def test_pkg_config_option(self): if not shutil.which('arm-linux-gnueabihf-pkg-config'): raise unittest.SkipTest('Cross-pkgconfig not found.') testdir = os.path.join(self.unit_test_dir, '57 pkg_config_path option') self.init(testdir, extra_args=[ '-Dbuild.pkg_config_path=' + os.path.join(testdir, 'build_extra_path'), '-Dpkg_config_path=' + os.path.join(testdir, 'host_extra_path'), ]) def test_run_native_test(self): ''' https://github.com/mesonbuild/meson/issues/7997 check run native test in crossbuild without exe wrapper ''' testdir = os.path.join(self.unit_test_dir, '87 run native test') stamp_file = os.path.join(self.builddir, 'native_test_has_run.stamp') self.init(testdir) self.build() self.assertPathDoesNotExist(stamp_file) self.run_tests() self.assertPathExists(stamp_file) def should_run_cross_mingw_tests(): return shutil.which('x86_64-w64-mingw32-gcc') and not (is_windows() or is_cygwin()) @unittest.skipUnless(not is_windows() and should_run_cross_mingw_tests(), "requires ability to cross compile with MinGW") class LinuxCrossMingwTests(BaseLinuxCrossTests): ''' Tests that cross-compilation to Windows/MinGW works ''' def setUp(self): super().setUp() self.meson_cross_files = [os.path.join(self.src_root, 'cross', 'linux-mingw-w64-64bit.txt')] def test_exe_wrapper_behaviour(self): ''' Test that an exe wrapper that isn't found doesn't cause compiler sanity checks and compiler checks to fail, but causes configure to fail if it requires running a cross-built executable (custom_target or run_target) and causes the tests to be skipped if they are run. ''' testdir = os.path.join(self.unit_test_dir, '36 exe_wrapper behaviour') # Configures, builds, and tests fine by default self.init(testdir) self.build() self.run_tests() self.wipe() os.mkdir(self.builddir) # Change cross file to use a non-existing exe_wrapper and it should fail self.meson_cross_files = [os.path.join(testdir, 'broken-cross.txt')] # Force tracebacks so we can detect them properly env = {'MESON_FORCE_BACKTRACE': '1'} error_message = "An exe_wrapper is needed but was not found. Please define one in cross file and check the command and/or add it to PATH." with self.assertRaises(MesonException) as cm: # Must run in-process or we'll get a generic CalledProcessError self.init(testdir, extra_args='-Drun-target=false', inprocess=True, override_envvars=env) self.assertEqual(str(cm.exception), error_message) with self.assertRaises(MesonException) as cm: # Must run in-process or we'll get a generic CalledProcessError self.init(testdir, extra_args='-Dcustom-target=false', inprocess=True, override_envvars=env) self.assertEqual(str(cm.exception), error_message) self.init(testdir, extra_args=['-Dcustom-target=false', '-Drun-target=false'], override_envvars=env) self.build() with self.assertRaises(MesonException) as cm: # Must run in-process or we'll get a generic CalledProcessError self.run_tests(inprocess=True, override_envvars=env) self.assertEqual(str(cm.exception), "The exe_wrapper defined in the cross file 'broken' was not found. Please check the command and/or add it to PATH.") @skipIfNoPkgconfig def test_cross_pkg_config_option(self): testdir = os.path.join(self.unit_test_dir, '57 pkg_config_path option') self.init(testdir, extra_args=[ '-Dbuild.pkg_config_path=' + os.path.join(testdir, 'build_extra_path'), '-Dpkg_config_path=' + os.path.join(testdir, 'host_extra_path'), ])