#===----------------------------------------------------------------------===// # # The LLVM Compiler Infrastructure # # This file is dual licensed under the MIT and the University of Illinois Open # Source Licenses. See LICENSE.TXT for details. # #===----------------------------------------------------------------------===// import importlib import locale import os import platform import re import subprocess import sys class DefaultTargetInfo(object): def __init__(self, full_config): self.full_config = full_config def platform(self): return sys.platform.lower().strip() def add_locale_features(self, features): self.full_config.lit_config.warning( "No locales entry for target_system: %s" % self.platform()) def add_cxx_compile_flags(self, flags): pass def add_cxx_link_flags(self, flags): pass def configure_env(self, env): pass def allow_cxxabi_link(self): return True def add_sanitizer_features(self, sanitizer_type, features): pass def use_lit_shell_default(self): return False def test_locale(loc): assert loc is not None default_locale = locale.setlocale(locale.LC_ALL) try: locale.setlocale(locale.LC_ALL, loc) return True except locale.Error: return False finally: locale.setlocale(locale.LC_ALL, default_locale) def add_common_locales(features, lit_config, is_windows=False): # A list of locales needed by the test-suite. # The list uses the canonical name for the locale used in the test-suite # TODO: On Linux ISO8859 *may* needs to hyphenated. locales = [ ('en_US.UTF-8', 'English_United States.1252'), ('fr_FR.UTF-8', 'French_France.1252'), ('ru_RU.UTF-8', 'Russian_Russia.1251'), ('zh_CN.UTF-8', 'Chinese_China.936'), ('fr_CA.ISO8859-1', 'French_Canada.1252'), ('cs_CZ.ISO8859-2', 'Czech_Czech Republic.1250') ] for loc_id, windows_loc_name in locales: loc_name = windows_loc_name if is_windows else loc_id if test_locale(loc_name): features.add('locale.{0}'.format(loc_id)) else: lit_config.warning('The locale {0} is not supported by ' 'your platform. Some tests will be ' 'unsupported.'.format(loc_name)) class DarwinLocalTI(DefaultTargetInfo): def __init__(self, full_config): super(DarwinLocalTI, self).__init__(full_config) def is_host_macosx(self): name = subprocess.check_output(['sw_vers', '-productName']).strip() return name == "Mac OS X" def get_macosx_version(self): assert self.is_host_macosx() version = subprocess.check_output( ['sw_vers', '-productVersion']).strip() version = re.sub(r'([0-9]+\.[0-9]+)(\..*)?', r'\1', version) return version def get_sdk_version(self, name): assert self.is_host_macosx() cmd = ['xcrun', '--sdk', name, '--show-sdk-path'] try: out = subprocess.check_output(cmd).strip() except OSError: pass if not out: self.full_config.lit_config.fatal( "cannot infer sdk version with: %r" % cmd) return re.sub(r'.*/[^0-9]+([0-9.]+)\.sdk', r'\1', out) def get_platform(self): platform = self.full_config.get_lit_conf('platform') if platform: platform = re.sub(r'([^0-9]+)([0-9\.]*)', r'\1-\2', platform) name, version = tuple(platform.split('-', 1)) else: name = 'macosx' version = None if version: return (False, name, version) # Infer the version, either from the SDK or the system itself. For # macosx, ignore the SDK version; what matters is what's at # /usr/lib/libc++.dylib. if name == 'macosx': version = self.get_macosx_version() else: version = self.get_sdk_version(name) return (True, name, version) def add_locale_features(self, features): add_common_locales(features, self.full_config.lit_config) def add_cxx_compile_flags(self, flags): if self.full_config.use_deployment: _, name, _ = self.full_config.config.deployment cmd = ['xcrun', '--sdk', name, '--show-sdk-path'] else: cmd = ['xcrun', '--show-sdk-path'] try: out = subprocess.check_output(cmd).strip() res = 0 except OSError: res = -1 if res == 0 and out: sdk_path = out self.full_config.lit_config.note('using SDKROOT: %r' % sdk_path) flags += ["-isysroot", sdk_path] def add_cxx_link_flags(self, flags): flags += ['-lSystem'] def configure_env(self, env): library_paths = [] # Configure the library path for libc++ if self.full_config.use_system_cxx_lib: if (os.path.isdir(str(self.full_config.use_system_cxx_lib))): library_paths += [self.full_config.use_system_cxx_lib] pass elif self.full_config.cxx_runtime_root: library_paths += [self.full_config.cxx_runtime_root] # Configure the abi library path if self.full_config.abi_library_root: library_paths += [self.full_config.abi_library_root] if library_paths: env['DYLD_LIBRARY_PATH'] = ':'.join(library_paths) def allow_cxxabi_link(self): # FIXME: PR27405 # libc++ *should* export all of the symbols found in libc++abi on OS X. # For this reason LibcxxConfiguration will not link libc++abi in OS X. # However __cxa_throw_bad_new_array_length doesn't get exported into # libc++ yet so we still need to explicitly link libc++abi when testing # libc++abi # See PR22654. if(self.full_config.get_lit_conf('name', '') == 'libc++abi'): return True # Don't link libc++abi explicitly on OS X because the symbols # should be available in libc++ directly. return False class FreeBSDLocalTI(DefaultTargetInfo): def __init__(self, full_config): super(FreeBSDLocalTI, self).__init__(full_config) def add_locale_features(self, features): add_common_locales(features, self.full_config.lit_config) def add_cxx_link_flags(self, flags): flags += ['-lc', '-lm', '-lpthread', '-lgcc_s', '-lcxxrt'] class LinuxLocalTI(DefaultTargetInfo): def __init__(self, full_config): super(LinuxLocalTI, self).__init__(full_config) def platform(self): return 'linux' def platform_name(self): name, _, _ = platform.linux_distribution() name = name.lower().strip() return name # Permitted to be None def platform_ver(self): _, ver, _ = platform.linux_distribution() ver = ver.lower().strip() return ver # Permitted to be None. def add_locale_features(self, features): add_common_locales(features, self.full_config.lit_config) # 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. name = self.platform_name() ver = self.platform_ver() if name: features.add(name) if name and ver: features.add('%s-%s' % (name, ver)) def add_cxx_compile_flags(self, flags): flags += ['-D__STDC_FORMAT_MACROS', '-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS'] def add_cxx_link_flags(self, flags): enable_threads = ('libcpp-has-no-threads' not in self.full_config.config.available_features) llvm_unwinder = self.full_config.get_lit_bool('llvm_unwinder', False) shared_libcxx = self.full_config.get_lit_bool('enable_shared', True) flags += ['-lm'] if not llvm_unwinder: flags += ['-lgcc_s', '-lgcc'] if enable_threads: flags += ['-lpthread'] if not shared_libcxx: flags += ['-lrt'] flags += ['-lc'] if llvm_unwinder: flags += ['-lunwind', '-ldl'] else: flags += ['-lgcc_s'] flags += ['-lgcc'] use_libatomic = self.full_config.get_lit_bool('use_libatomic', False) if use_libatomic: flags += ['-latomic'] san = self.full_config.get_lit_conf('use_sanitizer', '').strip() if san: # The libraries and their order are taken from the # linkSanitizerRuntimeDeps function in # clang/lib/Driver/Tools.cpp flags += ['-lpthread', '-lrt', '-lm', '-ldl'] class WindowsLocalTI(DefaultTargetInfo): def __init__(self, full_config): super(WindowsLocalTI, self).__init__(full_config) def add_locale_features(self, features): add_common_locales(features, self.full_config.lit_config, is_windows=True) def use_lit_shell_default(self): # Default to the internal shell on Windows, as bash on Windows is # usually very slow. return True def make_target_info(full_config): default = "libcxx.test.target_info.LocalTI" info_str = full_config.get_lit_conf('target_info', default) if info_str != default: mod_path, _, info = info_str.rpartition('.') mod = importlib.import_module(mod_path) target_info = getattr(mod, info)(full_config) full_config.lit_config.note("inferred target_info as: %r" % info_str) return target_info target_system = platform.system() if target_system == 'Darwin': return DarwinLocalTI(full_config) if target_system == 'FreeBSD': return FreeBSDLocalTI(full_config) if target_system == 'Linux': return LinuxLocalTI(full_config) if target_system == 'Windows': return WindowsLocalTI(full_config) return DefaultTargetInfo(full_config)