| # -*- Python -*- |
| |
| import os |
| import platform |
| |
| # Configuration file for the 'lit' test runner. |
| |
| # name: The name of this test suite. |
| config.name = 'Clang' |
| |
| # testFormat: The test format to use to interpret tests. |
| # |
| # For now we require '&&' between commands, until they get globally killed and |
| # the test runner updated. |
| execute_external = platform.system() != 'Windows' |
| config.test_format = lit.formats.ShTest(execute_external) |
| |
| # suffixes: A list of file extensions to treat as test files. |
| config.suffixes = ['.c', '.cpp', '.m', '.mm'] |
| |
| # test_source_root: The root path where tests are located. |
| config.test_source_root = os.path.dirname(__file__) |
| |
| # test_exec_root: The root path where tests should be run. |
| clang_obj_root = getattr(config, 'clang_obj_root', None) |
| if clang_obj_root is not None: |
| config.test_exec_root = os.path.join(clang_obj_root, 'test') |
| |
| # Set llvm_{src,obj}_root for use by others. |
| config.llvm_src_root = getattr(config, 'llvm_src_root', None) |
| config.llvm_obj_root = getattr(config, 'llvm_obj_root', None) |
| |
| # Tweak the PATH to include the tools dir and the scripts dir. |
| if clang_obj_root is not None: |
| llvm_tools_dir = getattr(config, 'llvm_tools_dir', None) |
| if not llvm_tools_dir: |
| lit.fatal('No LLVM tools dir set!') |
| path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH'])) |
| config.environment['PATH'] = path |
| |
| llvm_libs_dir = getattr(config, 'llvm_libs_dir', None) |
| if not llvm_libs_dir: |
| lit.fatal('No LLVM libs dir set!') |
| path = os.path.pathsep.join((llvm_libs_dir, |
| config.environment.get('LD_LIBRARY_PATH',''))) |
| config.environment['LD_LIBRARY_PATH'] = path |
| |
| ### |
| |
| # Check that the object root is known. |
| if config.test_exec_root is None: |
| # Otherwise, we haven't loaded the site specific configuration (the user is |
| # probably trying to run on a test file directly, and either the site |
| # configuration hasn't been created by the build system, or we are in an |
| # out-of-tree build situation). |
| |
| # Check for 'clang_site_config' user parameter, and use that if available. |
| site_cfg = lit.params.get('clang_site_config', None) |
| if site_cfg and os.path.exists(site_cfg): |
| lit.load_config(config, site_cfg) |
| raise SystemExit |
| |
| # Try to detect the situation where we are using an out-of-tree build by |
| # looking for 'llvm-config'. |
| # |
| # FIXME: I debated (i.e., wrote and threw away) adding logic to |
| # automagically generate the lit.site.cfg if we are in some kind of fresh |
| # build situation. This means knowing how to invoke the build system though, |
| # and I decided it was too much magic. We should solve this by just having |
| # the .cfg files generated during the configuration step. |
| |
| llvm_config = lit.util.which('llvm-config', config.environment['PATH']) |
| if not llvm_config: |
| lit.fatal('No site specific configuration available!') |
| |
| # Get the source and object roots. |
| llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip() |
| llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip() |
| clang_src_root = os.path.join(llvm_src_root, "tools", "clang") |
| clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang") |
| |
| # Validate that we got a tree which points to here, using the standard |
| # tools/clang layout. |
| this_src_root = os.path.dirname(config.test_source_root) |
| if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root): |
| lit.fatal('No site specific configuration available!') |
| |
| # Check that the site specific configuration exists. |
| site_cfg = os.path.join(clang_obj_root, 'test', 'lit.site.cfg') |
| if not os.path.exists(site_cfg): |
| lit.fatal('No site specific configuration available!') |
| |
| # Okay, that worked. Notify the user of the automagic, and reconfigure. |
| lit.note('using out-of-tree build at %r' % clang_obj_root) |
| lit.load_config(config, site_cfg) |
| raise SystemExit |
| |
| ### |
| |
| # Discover the 'clang' and 'clangcc' to use. |
| |
| import os |
| |
| def inferClang(PATH): |
| # Determine which clang to use. |
| clang = os.getenv('CLANG') |
| |
| # If the user set clang in the environment, definitely use that and don't |
| # try to validate. |
| if clang: |
| return clang |
| |
| # Otherwise look in the path. |
| clang = lit.util.which('clang', PATH) |
| |
| if not clang: |
| lit.fatal("couldn't find 'clang' program, try setting " |
| "CLANG in your environment") |
| |
| return clang |
| |
| # When running under valgrind, we mangle '-vg' onto the end of the triple so we |
| # can check it with XFAIL and XTARGET. |
| if lit.useValgrind: |
| config.target_triple += '-vg' |
| |
| config.clang = inferClang(config.environment['PATH']) |
| if not lit.quiet: |
| lit.note('using clang: %r' % config.clang) |
| config.substitutions.append( ('%clang_cc1', config.clang + ' -cc1') ) |
| config.substitutions.append( ('%clangxx', ' ' + config.clang + |
| ' -ccc-clang-cxx -ccc-cxx ')) |
| config.substitutions.append( ('%clang', ' ' + config.clang + ' ') ) |
| |
| # FIXME: Find nicer way to prohibit this. |
| config.substitutions.append( |
| (' clang ', """*** Do not use 'clang' in tests, use '%clang'. ***""") ) |
| config.substitutions.append( |
| (' clang++ ', """*** Do not use 'clang++' in tests, use '%clangxx'. ***""")) |
| config.substitutions.append( |
| (' clang-cc ', |
| """*** Do not use 'clang-cc' in tests, use '%clang_cc1'. ***""") ) |
| config.substitutions.append( |
| (' clang -cc1 ', |
| """*** Do not use 'clang -cc1' in tests, use '%clang_cc1'. ***""") ) |
| config.substitutions.append( |
| (' %clang-cc1 ', |
| """*** invalid substitution, use '%clang_cc1'. ***""") ) |
| |
| ### |
| |
| # Set available features we allow tests to conditionalize on. |
| if platform.system() != 'Windows': |
| config.available_features.add('crash-recovery') |