| import importlib |
| import locale |
| import os |
| import platform |
| import pkgutil |
| import re |
| import shlex |
| import sys |
| |
| import lit.Test # pylint: disable=import-error,no-name-in-module |
| import lit.util # pylint: disable=import-error,no-name-in-module |
| |
| from libcxx.test.format import LibcxxTestFormat |
| from libcxx.compiler import CXXCompiler |
| from libcxx.test.executor import * |
| from libcxx.test.tracing import * |
| |
| def loadSiteConfig(lit_config, config, param_name, env_name): |
| # 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). |
| site_cfg = lit_config.params.get(param_name, |
| os.environ.get(env_name)) |
| if not site_cfg: |
| lit_config.warning('No site specific configuration file found!' |
| ' Running the tests in the default configuration.') |
| elif not os.path.isfile(site_cfg): |
| lit_config.fatal( |
| "Specified site configuration file does not exist: '%s'" % |
| site_cfg) |
| else: |
| lit_config.note('using site specific configuration at %s' % site_cfg) |
| ld_fn = lit_config.load_config |
| |
| # Null out the load_config function so that lit.site.cfg doesn't |
| # recursively load a config even if it tries. |
| # TODO: This is one hell of a hack. Fix it. |
| def prevent_reload_fn(*args, **kwargs): |
| pass |
| lit_config.load_config = prevent_reload_fn |
| ld_fn(config, site_cfg) |
| lit_config.load_config = ld_fn |
| |
| |
| class Configuration(object): |
| # pylint: disable=redefined-outer-name |
| def __init__(self, lit_config, config): |
| self.lit_config = lit_config |
| self.config = config |
| self.cxx = None |
| self.libcxx_src_root = None |
| self.libcxx_obj_root = None |
| self.cxx_library_root = None |
| self.abi_library_root = None |
| self.env = {} |
| self.use_target = False |
| self.use_system_cxx_lib = False |
| self.use_clang_verify = False |
| self.long_tests = None |
| self.execute_external = False |
| |
| def get_lit_conf(self, name, default=None): |
| val = self.lit_config.params.get(name, None) |
| if val is None: |
| val = getattr(self.config, name, None) |
| if val is None: |
| val = default |
| return val |
| |
| def get_lit_bool(self, name, default=None): |
| conf = self.get_lit_conf(name) |
| if conf is None: |
| return default |
| if conf.lower() in ('1', 'true'): |
| return True |
| if conf.lower() in ('', '0', 'false'): |
| return False |
| self.lit_config.fatal( |
| "parameter '{}' should be true or false".format(name)) |
| |
| def configure(self): |
| self.configure_executor() |
| self.configure_target_info() |
| self.configure_cxx() |
| self.configure_triple() |
| self.configure_src_root() |
| self.configure_obj_root() |
| self.configure_cxx_library_root() |
| self.configure_use_system_cxx_lib() |
| self.configure_use_clang_verify() |
| self.configure_execute_external() |
| self.configure_ccache() |
| self.configure_compile_flags() |
| self.configure_link_flags() |
| self.configure_env() |
| self.configure_color_diagnostics() |
| self.configure_debug_mode() |
| self.configure_warnings() |
| self.configure_sanitizer() |
| self.configure_coverage() |
| self.configure_substitutions() |
| self.configure_features() |
| |
| def print_config_info(self): |
| # Print the final compile and link flags. |
| self.lit_config.note('Using compiler: %s' % self.cxx.path) |
| self.lit_config.note('Using flags: %s' % self.cxx.flags) |
| self.lit_config.note('Using compile flags: %s' |
| % self.cxx.compile_flags) |
| self.lit_config.note('Using link flags: %s' % self.cxx.link_flags) |
| # Print as list to prevent "set([...])" from being printed. |
| self.lit_config.note('Using available_features: %s' % |
| list(self.config.available_features)) |
| self.lit_config.note('Using environment: %r' % self.env) |
| |
| def get_test_format(self): |
| return LibcxxTestFormat( |
| self.cxx, |
| self.use_clang_verify, |
| self.execute_external, |
| self.executor, |
| exec_env=self.env) |
| |
| def configure_executor(self): |
| exec_str = self.get_lit_conf('executor', "None") |
| te = eval(exec_str) |
| if te: |
| self.lit_config.note("Using executor: %r" % exec_str) |
| if self.lit_config.useValgrind: |
| # We have no way of knowing where in the chain the |
| # ValgrindExecutor is supposed to go. It is likely |
| # that the user wants it at the end, but we have no |
| # way of getting at that easily. |
| selt.lit_config.fatal("Cannot infer how to create a Valgrind " |
| " executor.") |
| else: |
| te = LocalExecutor() |
| if self.lit_config.useValgrind: |
| te = ValgrindExecutor(self.lit_config.valgrindArgs, te) |
| self.executor = te |
| |
| def configure_target_info(self): |
| default = "libcxx.test.target_info.LocalTI" |
| info_str = self.get_lit_conf('target_info', default) |
| mod_path, _, info = info_str.rpartition('.') |
| mod = importlib.import_module(mod_path) |
| self.target_info = getattr(mod, info)() |
| if info_str != default: |
| self.lit_config.note("inferred target_info as: %r" % info_str) |
| |
| def configure_cxx(self): |
| # Gather various compiler parameters. |
| cxx = self.get_lit_conf('cxx_under_test') |
| |
| # If no specific cxx_under_test was given, attempt to infer it as |
| # clang++. |
| if cxx is None: |
| clangxx = lit.util.which('clang++', |
| self.config.environment['PATH']) |
| if clangxx: |
| cxx = clangxx |
| self.lit_config.note( |
| "inferred cxx_under_test as: %r" % cxx) |
| if not cxx: |
| self.lit_config.fatal('must specify user parameter cxx_under_test ' |
| '(e.g., --param=cxx_under_test=clang++)') |
| self.cxx = CXXCompiler(cxx) |
| cxx_type = self.cxx.type |
| if cxx_type is not None: |
| assert self.cxx.version is not None |
| maj_v, min_v, _ = self.cxx.version |
| self.config.available_features.add(cxx_type) |
| self.config.available_features.add('%s-%s.%s' % ( |
| cxx_type, maj_v, min_v)) |
| |
| def configure_src_root(self): |
| self.libcxx_src_root = self.get_lit_conf( |
| 'libcxx_src_root', os.path.dirname(self.config.test_source_root)) |
| |
| def configure_obj_root(self): |
| self.libcxx_obj_root = self.get_lit_conf('libcxx_obj_root') |
| |
| def configure_cxx_library_root(self): |
| self.cxx_library_root = self.get_lit_conf('cxx_library_root', |
| self.libcxx_obj_root) |
| |
| def configure_use_system_cxx_lib(self): |
| # This test suite supports testing against either the system library or |
| # the locally built one; the former mode is useful for testing ABI |
| # compatibility between the current headers and a shipping dynamic |
| # library. |
| self.use_system_cxx_lib = self.get_lit_bool('use_system_cxx_lib') |
| if self.use_system_cxx_lib is None: |
| # Default to testing against the locally built libc++ library. |
| self.use_system_cxx_lib = False |
| self.lit_config.note( |
| "inferred use_system_cxx_lib as: %r" % self.use_system_cxx_lib) |
| |
| def configure_use_clang_verify(self): |
| '''If set, run clang with -verify on failing tests.''' |
| self.use_clang_verify = self.get_lit_bool('use_clang_verify') |
| if self.use_clang_verify is None: |
| # NOTE: We do not test for the -verify flag directly because |
| # -verify will always exit with non-zero on an empty file. |
| self.use_clang_verify = self.cxx.hasCompileFlag( |
| ['-Xclang', '-verify-ignore-unexpected']) |
| self.lit_config.note( |
| "inferred use_clang_verify as: %r" % self.use_clang_verify) |
| |
| def configure_execute_external(self): |
| # Choose between lit's internal shell pipeline runner and a real shell. |
| # If LIT_USE_INTERNAL_SHELL is in the environment, we use that as the |
| # default value. Otherwise we default to internal on Windows and |
| # external elsewhere, as bash on Windows is usually very slow. |
| use_lit_shell_default = os.environ.get('LIT_USE_INTERNAL_SHELL') |
| if use_lit_shell_default is not None: |
| use_lit_shell_default = use_lit_shell_default != '0' |
| else: |
| use_lit_shell_default = sys.platform == 'win32' |
| # Check for the command line parameter using the default value if it is |
| # not present. |
| use_lit_shell = self.get_lit_bool('use_lit_shell', |
| use_lit_shell_default) |
| self.execute_external = not use_lit_shell |
| |
| def configure_ccache(self): |
| use_ccache_default = os.environ.get('LIBCXX_USE_CCACHE') is not None |
| use_ccache = self.get_lit_bool('use_ccache', use_ccache_default) |
| if use_ccache: |
| self.cxx.use_ccache = True |
| self.lit_config.note('enabling ccache') |
| |
| def configure_features(self): |
| additional_features = self.get_lit_conf('additional_features') |
| if additional_features: |
| for f in additional_features.split(','): |
| self.config.available_features.add(f.strip()) |
| |
| # Figure out which of the required locales we support |
| locales = { |
| 'Darwin': { |
| 'en_US.UTF-8': 'en_US.UTF-8', |
| 'cs_CZ.ISO8859-2': 'cs_CZ.ISO8859-2', |
| 'fr_FR.UTF-8': 'fr_FR.UTF-8', |
| 'fr_CA.ISO8859-1': 'fr_CA.ISO8859-1', |
| 'ru_RU.UTF-8': 'ru_RU.UTF-8', |
| 'zh_CN.UTF-8': 'zh_CN.UTF-8', |
| }, |
| 'FreeBSD': { |
| 'en_US.UTF-8': 'en_US.UTF-8', |
| 'cs_CZ.ISO8859-2': 'cs_CZ.ISO8859-2', |
| 'fr_FR.UTF-8': 'fr_FR.UTF-8', |
| 'fr_CA.ISO8859-1': 'fr_CA.ISO8859-1', |
| 'ru_RU.UTF-8': 'ru_RU.UTF-8', |
| 'zh_CN.UTF-8': 'zh_CN.UTF-8', |
| }, |
| 'Linux': { |
| 'en_US.UTF-8': 'en_US.UTF-8', |
| 'cs_CZ.ISO8859-2': 'cs_CZ.ISO-8859-2', |
| 'fr_FR.UTF-8': 'fr_FR.UTF-8', |
| 'fr_CA.ISO8859-1': 'fr_CA.ISO-8859-1', |
| 'ru_RU.UTF-8': 'ru_RU.UTF-8', |
| 'zh_CN.UTF-8': 'zh_CN.UTF-8', |
| }, |
| 'Windows': { |
| 'en_US.UTF-8': 'English_United States.1252', |
| 'cs_CZ.ISO8859-2': 'Czech_Czech Republic.1250', |
| 'fr_FR.UTF-8': 'French_France.1252', |
| 'fr_CA.ISO8859-1': 'French_Canada.1252', |
| 'ru_RU.UTF-8': 'Russian_Russia.1251', |
| 'zh_CN.UTF-8': 'Chinese_China.936', |
| }, |
| } |
| |
| target_system = self.target_info.system() |
| target_platform = self.target_info.platform() |
| |
| if target_system in locales: |
| default_locale = locale.setlocale(locale.LC_ALL) |
| for feature, loc in locales[target_system].items(): |
| try: |
| locale.setlocale(locale.LC_ALL, loc) |
| self.config.available_features.add( |
| 'locale.{0}'.format(feature)) |
| except locale.Error: |
| self.lit_config.warning('The locale {0} is not supported by ' |
| 'your platform. Some tests will be ' |
| 'unsupported.'.format(loc)) |
| locale.setlocale(locale.LC_ALL, default_locale) |
| else: |
| # Warn that the user doesn't get any free XFAILs for locale issues |
| self.lit_config.warning("No locales entry for target_system: %s" % |
| target_system) |
| |
| # Write an "available feature" that combines the triple when |
| # use_system_cxx_lib is enabled. This is so that we can easily write |
| # XFAIL markers for tests that are known to fail with versions of |
| # libc++ as were shipped with a particular triple. |
| if self.use_system_cxx_lib: |
| self.config.available_features.add( |
| 'with_system_cxx_lib=%s' % self.config.target_triple) |
| |
| # Insert the platform name into the available features as a lower case. |
| self.config.available_features.add(target_platform) |
| |
| # Some linux distributions have different locale data than others. |
| # Insert the distributions name and name-version into the available |
| # features to allow tests to XFAIL on them. |
| if target_platform == 'linux': |
| name = self.target_info.platform_name() |
| ver = self.target_info.platform_ver() |
| if name: |
| self.config.available_features.add(name) |
| if name and ver: |
| self.config.available_features.add('%s-%s' % (name, ver)) |
| |
| # Simulator testing can take a really long time for some of these tests |
| # so add a feature check so we can REQUIRES: long_tests in them |
| self.long_tests = self.get_lit_bool('long_tests') |
| if self.long_tests is None: |
| # Default to running long tests. |
| self.long_tests = True |
| self.lit_config.note( |
| "inferred long_tests as: %r" % self.long_tests) |
| |
| if self.long_tests: |
| self.config.available_features.add('long_tests') |
| |
| # Run a compile test for the -fsized-deallocation flag. This is needed |
| # in test/std/language.support/support.dynamic/new.delete |
| if self.cxx.hasCompileFlag('-fsized-deallocation'): |
| self.config.available_features.add('fsized-deallocation') |
| |
| def configure_compile_flags(self): |
| no_default_flags = self.get_lit_bool('no_default_flags', False) |
| if not no_default_flags: |
| self.configure_default_compile_flags() |
| # Configure extra flags |
| compile_flags_str = self.get_lit_conf('compile_flags', '') |
| self.cxx.compile_flags += shlex.split(compile_flags_str) |
| |
| def configure_default_compile_flags(self): |
| # Try and get the std version from the command line. Fall back to |
| # default given in lit.site.cfg is not present. If default is not |
| # present then force c++11. |
| std = self.get_lit_conf('std', 'c++11') |
| self.cxx.compile_flags += ['-std={0}'.format(std)] |
| self.config.available_features.add(std) |
| # Configure include paths |
| self.cxx.compile_flags += ['-nostdinc++'] |
| self.configure_compile_flags_header_includes() |
| if self.target_info.platform() == 'linux': |
| self.cxx.compile_flags += ['-D__STDC_FORMAT_MACROS', |
| '-D__STDC_LIMIT_MACROS', |
| '-D__STDC_CONSTANT_MACROS'] |
| # Configure feature flags. |
| self.configure_compile_flags_exceptions() |
| self.configure_compile_flags_rtti() |
| self.configure_compile_flags_no_global_filesystem_namespace() |
| self.configure_compile_flags_no_stdin() |
| self.configure_compile_flags_no_stdout() |
| enable_32bit = self.get_lit_bool('enable_32bit', False) |
| if enable_32bit: |
| self.cxx.flags += ['-m32'] |
| # Configure threading features. |
| enable_threads = self.get_lit_bool('enable_threads', True) |
| enable_monotonic_clock = self.get_lit_bool('enable_monotonic_clock', |
| True) |
| if not enable_threads: |
| self.configure_compile_flags_no_threads() |
| if not enable_monotonic_clock: |
| self.configure_compile_flags_no_monotonic_clock() |
| elif not enable_monotonic_clock: |
| self.lit_config.fatal('enable_monotonic_clock cannot be false when' |
| ' enable_threads is true.') |
| self.configure_compile_flags_no_thread_unsafe_c_functions() |
| |
| # Use verbose output for better errors |
| self.cxx.flags += ['-v'] |
| sysroot = self.get_lit_conf('sysroot') |
| if sysroot: |
| self.cxx.flags += ['--sysroot', sysroot] |
| gcc_toolchain = self.get_lit_conf('gcc_toolchain') |
| if gcc_toolchain: |
| self.cxx.flags += ['-gcc-toolchain', gcc_toolchain] |
| if self.use_target: |
| self.cxx.flags += ['-target', self.config.target_triple] |
| |
| def configure_compile_flags_header_includes(self): |
| support_path = os.path.join(self.libcxx_src_root, 'test/support') |
| self.cxx.compile_flags += ['-I' + support_path] |
| self.cxx.compile_flags += ['-include', os.path.join(support_path, 'nasty_macros.hpp')] |
| libcxx_headers = self.get_lit_conf( |
| 'libcxx_headers', os.path.join(self.libcxx_src_root, 'include')) |
| if not os.path.isdir(libcxx_headers): |
| self.lit_config.fatal("libcxx_headers='%s' is not a directory." |
| % libcxx_headers) |
| self.cxx.compile_flags += ['-I' + libcxx_headers] |
| |
| def configure_compile_flags_exceptions(self): |
| enable_exceptions = self.get_lit_bool('enable_exceptions', True) |
| if not enable_exceptions: |
| self.config.available_features.add('libcpp-no-exceptions') |
| self.cxx.compile_flags += ['-fno-exceptions'] |
| |
| def configure_compile_flags_rtti(self): |
| enable_rtti = self.get_lit_bool('enable_rtti', True) |
| if not enable_rtti: |
| self.config.available_features.add('libcpp-no-rtti') |
| self.cxx.compile_flags += ['-fno-rtti', '-D_LIBCPP_NO_RTTI'] |
| |
| def configure_compile_flags_no_global_filesystem_namespace(self): |
| enable_global_filesystem_namespace = self.get_lit_bool( |
| 'enable_global_filesystem_namespace', True) |
| if not enable_global_filesystem_namespace: |
| self.config.available_features.add( |
| 'libcpp-has-no-global-filesystem-namespace') |
| self.cxx.compile_flags += [ |
| '-D_LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE'] |
| |
| def configure_compile_flags_no_stdin(self): |
| enable_stdin = self.get_lit_bool('enable_stdin', True) |
| if not enable_stdin: |
| self.config.available_features.add('libcpp-has-no-stdin') |
| self.cxx.compile_flags += ['-D_LIBCPP_HAS_NO_STDIN'] |
| |
| def configure_compile_flags_no_stdout(self): |
| enable_stdout = self.get_lit_bool('enable_stdout', True) |
| if not enable_stdout: |
| self.config.available_features.add('libcpp-has-no-stdout') |
| self.cxx.compile_flags += ['-D_LIBCPP_HAS_NO_STDOUT'] |
| |
| def configure_compile_flags_no_threads(self): |
| self.cxx.compile_flags += ['-D_LIBCPP_HAS_NO_THREADS'] |
| self.config.available_features.add('libcpp-has-no-threads') |
| |
| def configure_compile_flags_no_thread_unsafe_c_functions(self): |
| enable_thread_unsafe_c_functions = self.get_lit_bool( |
| 'enable_thread_unsafe_c_functions', True) |
| if not enable_thread_unsafe_c_functions: |
| self.cxx.compile_flags += [ |
| '-D_LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS'] |
| self.config.available_features.add( |
| 'libcpp-has-no-thread-unsafe-c-functions') |
| |
| def configure_compile_flags_no_monotonic_clock(self): |
| self.cxx.compile_flags += ['-D_LIBCPP_HAS_NO_MONOTONIC_CLOCK'] |
| self.config.available_features.add('libcpp-has-no-monotonic-clock') |
| |
| def configure_link_flags(self): |
| no_default_flags = self.get_lit_bool('no_default_flags', False) |
| if not no_default_flags: |
| self.cxx.link_flags += ['-nodefaultlibs'] |
| |
| # Configure library path |
| self.configure_link_flags_cxx_library_path() |
| self.configure_link_flags_abi_library_path() |
| |
| # Configure libraries |
| self.configure_link_flags_cxx_library() |
| self.configure_link_flags_abi_library() |
| self.configure_extra_library_flags() |
| |
| link_flags_str = self.get_lit_conf('link_flags', '') |
| self.cxx.link_flags += shlex.split(link_flags_str) |
| |
| def configure_link_flags_cxx_library_path(self): |
| libcxx_library = self.get_lit_conf('libcxx_library') |
| # Configure libc++ library paths. |
| if libcxx_library is not None: |
| # Check that the given value for libcxx_library is valid. |
| if not os.path.isfile(libcxx_library): |
| self.lit_config.fatal( |
| "libcxx_library='%s' is not a valid file." % |
| libcxx_library) |
| if self.use_system_cxx_lib: |
| self.lit_config.fatal( |
| "Conflicting options: 'libcxx_library' cannot be used " |
| "with 'use_system_cxx_lib=true'") |
| self.cxx.link_flags += ['-Wl,-rpath,' + |
| os.path.dirname(libcxx_library)] |
| elif not self.use_system_cxx_lib and self.cxx_library_root: |
| self.cxx.link_flags += ['-L' + self.cxx_library_root, |
| '-Wl,-rpath,' + self.cxx_library_root] |
| |
| def configure_link_flags_abi_library_path(self): |
| # Configure ABI library paths. |
| self.abi_library_root = self.get_lit_conf('abi_library_path') |
| if self.abi_library_root: |
| self.cxx.link_flags += ['-L' + self.abi_library_root, |
| '-Wl,-rpath,' + self.abi_library_root] |
| |
| def configure_link_flags_cxx_library(self): |
| libcxx_library = self.get_lit_conf('libcxx_library') |
| if libcxx_library: |
| self.cxx.link_flags += [libcxx_library] |
| else: |
| self.cxx.link_flags += ['-lc++'] |
| |
| def configure_link_flags_abi_library(self): |
| cxx_abi = self.get_lit_conf('cxx_abi', 'libcxxabi') |
| if cxx_abi == 'libstdc++': |
| self.cxx.link_flags += ['-lstdc++'] |
| elif cxx_abi == 'libsupc++': |
| self.cxx.link_flags += ['-lsupc++'] |
| elif cxx_abi == 'libcxxabi': |
| # Don't link libc++abi explicitly on OS X because the symbols |
| # should be available in libc++ directly. |
| if self.target_info.platform() != 'darwin': |
| self.cxx.link_flags += ['-lc++abi'] |
| elif cxx_abi == 'libcxxrt': |
| self.cxx.link_flags += ['-lcxxrt'] |
| elif cxx_abi == 'none': |
| pass |
| else: |
| self.lit_config.fatal( |
| 'C++ ABI setting %s unsupported for tests' % cxx_abi) |
| |
| def configure_extra_library_flags(self): |
| enable_threads = self.get_lit_bool('enable_threads', True) |
| llvm_unwinder = self.get_lit_bool('llvm_unwinder', False) |
| target_platform = self.target_info.platform() |
| if target_platform == 'darwin': |
| self.cxx.link_flags += ['-lSystem'] |
| elif target_platform == 'linux': |
| if not llvm_unwinder: |
| self.cxx.link_flags += ['-lgcc_eh'] |
| self.cxx.link_flags += ['-lc', '-lm'] |
| if enable_threads: |
| self.cxx.link_flags += ['-lpthread'] |
| self.cxx.link_flags += ['-lrt'] |
| if llvm_unwinder: |
| self.cxx.link_flags += ['-lunwind', '-ldl'] |
| else: |
| self.cxx.link_flags += ['-lgcc_s'] |
| elif target_platform.startswith('freebsd'): |
| self.cxx.link_flags += ['-lc', '-lm', '-lpthread', '-lgcc_s', '-lcxxrt'] |
| else: |
| self.lit_config.fatal("unrecognized system: %r" % target_platform) |
| |
| def configure_color_diagnostics(self): |
| use_color = self.get_lit_conf('color_diagnostics') |
| if use_color is None: |
| use_color = os.environ.get('LIBCXX_COLOR_DIAGNOSTICS') |
| if use_color is None: |
| return |
| if use_color != '': |
| self.lit_config.fatal('Invalid value for color_diagnostics "%s".' |
| % use_color) |
| color_flag = '-fdiagnostics-color=always' |
| # Check if the compiler supports the color diagnostics flag. Issue a |
| # warning if it does not since color diagnostics have been requested. |
| if not self.cxx.hasCompileFlag(color_flag): |
| self.lit_config.warning( |
| 'color diagnostics have been requested but are not supported ' |
| 'by the compiler') |
| else: |
| self.cxx.flags += [color_flag] |
| |
| def configure_debug_mode(self): |
| debug_level = self.get_lit_conf('debug_level', None) |
| if not debug_level: |
| return |
| if debug_level not in ['0', '1']: |
| self.lit_config.fatal('Invalid value for debug_level "%s".' |
| % debug_level) |
| self.cxx.compile_flags += ['-D_LIBCPP_DEBUG=%s' % debug_level] |
| |
| def configure_warnings(self): |
| enable_warnings = self.get_lit_bool('enable_warnings', False) |
| if enable_warnings: |
| self.cxx.compile_flags += [ |
| '-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER', |
| '-Wall', '-Werror' |
| ] |
| self.cxx.addCompileFlagIfSupported('-Wno-attributes') |
| if self.cxx.type == 'clang' or self.cxx.type == 'apple-clang': |
| self.cxx.addCompileFlagIfSupported('-Wno-pessimizing-move') |
| self.cxx.addCompileFlagIfSupported('-Wno-c++11-extensions') |
| self.cxx.addCompileFlagIfSupported('-Wno-user-defined-literals') |
| std = self.get_lit_conf('std', None) |
| if std in ['c++98', 'c++03']: |
| # The '#define static_assert' provided by libc++ in C++03 mode |
| # causes an unused local typedef whenever it is used. |
| self.cxx.addCompileFlagIfSupported('-Wno-unused-local-typedef') |
| |
| def configure_sanitizer(self): |
| san = self.get_lit_conf('use_sanitizer', '').strip() |
| if san: |
| # Search for llvm-symbolizer along the compiler path first |
| # and then along the PATH env variable. |
| symbolizer_search_paths = os.environ.get('PATH', '') |
| cxx_path = lit.util.which(self.cxx.path) |
| if cxx_path is not None: |
| symbolizer_search_paths = ( |
| os.path.dirname(cxx_path) + |
| os.pathsep + symbolizer_search_paths) |
| llvm_symbolizer = lit.util.which('llvm-symbolizer', |
| symbolizer_search_paths) |
| # Setup the sanitizer compile flags |
| self.cxx.flags += ['-g', '-fno-omit-frame-pointer'] |
| if self.target_info.platform() == 'linux': |
| self.cxx.link_flags += ['-ldl'] |
| if san == 'Address': |
| self.cxx.flags += ['-fsanitize=address'] |
| if llvm_symbolizer is not None: |
| self.env['ASAN_SYMBOLIZER_PATH'] = llvm_symbolizer |
| self.config.available_features.add('asan') |
| self.config.available_features.add('sanitizer-new-delete') |
| elif san == 'Memory' or san == 'MemoryWithOrigins': |
| self.cxx.flags += ['-fsanitize=memory'] |
| if san == 'MemoryWithOrigins': |
| self.cxx.compile_flags += [ |
| '-fsanitize-memory-track-origins'] |
| if llvm_symbolizer is not None: |
| self.env['MSAN_SYMBOLIZER_PATH'] = llvm_symbolizer |
| self.config.available_features.add('msan') |
| self.config.available_features.add('sanitizer-new-delete') |
| elif san == 'Undefined': |
| self.cxx.flags += ['-fsanitize=undefined', |
| '-fno-sanitize=vptr,function', |
| '-fno-sanitize-recover'] |
| self.cxx.compile_flags += ['-O3'] |
| self.config.available_features.add('ubsan') |
| if self.target_info.platform() == 'darwin': |
| self.config.available_features.add('sanitizer-new-delete') |
| elif san == 'Thread': |
| self.cxx.flags += ['-fsanitize=thread'] |
| self.config.available_features.add('tsan') |
| self.config.available_features.add('sanitizer-new-delete') |
| else: |
| self.lit_config.fatal('unsupported value for ' |
| 'use_sanitizer: {0}'.format(san)) |
| san_lib = self.get_lit_conf('sanitizer_library') |
| if san_lib: |
| self.cxx.link_flags += [ |
| san_lib, '-Wl,-rpath,%s' % os.path.dirname(san_lib)] |
| |
| def configure_coverage(self): |
| self.generate_coverage = self.get_lit_bool('generate_coverage', False) |
| if self.generate_coverage: |
| self.cxx.flags += ['-g', '--coverage'] |
| self.cxx.compile_flags += ['-O0'] |
| |
| def configure_substitutions(self): |
| sub = self.config.substitutions |
| # Configure compiler substitions |
| sub.append(('%cxx', self.cxx.path)) |
| # Configure flags substitutions |
| flags_str = ' '.join(self.cxx.flags) |
| compile_flags_str = ' '.join(self.cxx.compile_flags) |
| link_flags_str = ' '.join(self.cxx.link_flags) |
| all_flags = '%s %s %s' % (flags_str, compile_flags_str, link_flags_str) |
| sub.append(('%flags', flags_str)) |
| sub.append(('%compile_flags', compile_flags_str)) |
| sub.append(('%link_flags', link_flags_str)) |
| sub.append(('%all_flags', all_flags)) |
| # Add compile and link shortcuts |
| compile_str = (self.cxx.path + ' -o %t.o %s -c ' + flags_str |
| + compile_flags_str) |
| link_str = (self.cxx.path + ' -o %t.exe %t.o ' + flags_str |
| + link_flags_str) |
| assert type(link_str) is str |
| build_str = self.cxx.path + ' -o %t.exe %s ' + all_flags |
| sub.append(('%compile', compile_str)) |
| sub.append(('%link', link_str)) |
| sub.append(('%build', build_str)) |
| # Configure exec prefix substitutions. |
| exec_env_str = 'env ' if len(self.env) != 0 else '' |
| for k, v in self.env.items(): |
| exec_env_str += ' %s=%s' % (k, v) |
| # Configure run env substitution. |
| exec_str = '' |
| if self.lit_config.useValgrind: |
| exec_str = ' '.join(self.lit_config.valgrindArgs) + exec_env_str |
| sub.append(('%exec', exec_str)) |
| # Configure run shortcut |
| sub.append(('%run', exec_str + ' %t.exe')) |
| # Configure not program substitions |
| not_py = os.path.join(self.libcxx_src_root, 'utils', 'not', 'not.py') |
| not_str = '%s %s' % (sys.executable, not_py) |
| sub.append(('not', not_str)) |
| |
| def configure_triple(self): |
| # Get or infer the target triple. |
| self.config.target_triple = self.get_lit_conf('target_triple') |
| self.use_target = bool(self.config.target_triple) |
| # If no target triple was given, try to infer it from the compiler |
| # under test. |
| if not self.use_target: |
| target_triple = self.cxx.getTriple() |
| # Drop sub-major version components from the triple, because the |
| # current XFAIL handling expects exact matches for feature checks. |
| # Example: x86_64-apple-darwin14.0.0 -> x86_64-apple-darwin14 |
| # The 5th group handles triples greater than 3 parts |
| # (ex x86_64-pc-linux-gnu). |
| target_triple = re.sub(r'([^-]+)-([^-]+)-([^.]+)([^-]*)(.*)', |
| r'\1-\2-\3\5', target_triple) |
| # linux-gnu is needed in the triple to properly identify linuxes |
| # that use GLIBC. Handle redhat and opensuse triples as special |
| # cases and append the missing `-gnu` portion. |
| if (target_triple.endswith('redhat-linux') or |
| target_triple.endswith('suse-linux')): |
| target_triple += '-gnu' |
| self.config.target_triple = target_triple |
| self.lit_config.note( |
| "inferred target_triple as: %r" % self.config.target_triple) |
| |
| def configure_env(self): |
| if self.target_info.platform() == 'darwin': |
| library_paths = [] |
| # Configure the library path for libc++ |
| libcxx_library = self.get_lit_conf('libcxx_library') |
| if self.use_system_cxx_lib: |
| pass |
| elif libcxx_library: |
| library_paths += [os.path.dirname(libcxx_library)] |
| elif self.cxx_library_root: |
| library_paths += [self.cxx_library_root] |
| # Configure the abi library path |
| if self.abi_library_root: |
| library_paths += [self.abi_library_root] |
| if library_paths: |
| self.env['DYLD_LIBRARY_PATH'] = ':'.join(library_paths) |
