| import itertools |
| import os |
| import platform |
| import re |
| import subprocess |
| import sys |
| import errno |
| |
| import lit.util |
| from lit.llvm.subst import FindTool |
| from lit.llvm.subst import ToolSubst |
| |
| lit_path_displayed = False |
| |
| class LLVMConfig(object): |
| |
| def __init__(self, lit_config, config): |
| self.lit_config = lit_config |
| self.config = config |
| |
| features = config.available_features |
| |
| self.use_lit_shell = False |
| # Tweak PATH for Win32 to decide to use bash.exe or not. |
| if sys.platform == 'win32': |
| # Seek necessary tools in directories and set to $PATH. |
| path = None |
| lit_tools_dir = getattr(config, 'lit_tools_dir', None) |
| required_tools = [ |
| 'cmp.exe', 'grep.exe', 'sed.exe', 'diff.exe', 'echo.exe'] |
| path = self.lit_config.getToolsPath(lit_tools_dir, |
| config.environment['PATH'], |
| required_tools) |
| if path is None: |
| path = self._find_git_windows_unix_tools(required_tools) |
| if path is not None: |
| self.with_environment('PATH', path, append_path=True) |
| # Many tools behave strangely if these environment variables aren't |
| # set. |
| self.with_system_environment( |
| ['SystemDrive', 'SystemRoot', 'TEMP', 'TMP', 'PLATFORM']) |
| self.use_lit_shell = True |
| |
| global lit_path_displayed |
| if not self.lit_config.quiet and lit_path_displayed is False: |
| self.lit_config.note("using lit tools: {}".format(path)) |
| lit_path_displayed = True |
| |
| # 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 an |
| # override. |
| lit_shell_env = os.environ.get('LIT_USE_INTERNAL_SHELL') |
| if lit_shell_env: |
| self.use_lit_shell = lit.util.pythonize_bool(lit_shell_env) |
| |
| if not self.use_lit_shell: |
| features.add('shell') |
| |
| # Running on Darwin OS |
| if platform.system() == 'Darwin': |
| # FIXME: lld uses the first, other projects use the second. |
| # We should standardize on the former. |
| features.add('system-linker-mach-o') |
| features.add('system-darwin') |
| elif platform.system() == 'Windows': |
| # For tests that require Windows to run. |
| features.add('system-windows') |
| elif platform.system() == 'Linux': |
| features.add('system-linux') |
| elif platform.system() in ['FreeBSD']: |
| features.add('system-freebsd') |
| elif platform.system() == 'NetBSD': |
| features.add('system-netbsd') |
| elif platform.system() == 'AIX': |
| features.add('system-aix') |
| elif platform.system() == 'SunOS': |
| features.add('system-solaris') |
| |
| # Native compilation: host arch == default triple arch |
| # Both of these values should probably be in every site config (e.g. as |
| # part of the standard header. But currently they aren't) |
| host_triple = getattr(config, 'host_triple', None) |
| target_triple = getattr(config, 'target_triple', None) |
| if host_triple and host_triple == target_triple: |
| features.add('native') |
| |
| # Sanitizers. |
| sanitizers = getattr(config, 'llvm_use_sanitizer', '') |
| sanitizers = frozenset(x.lower() for x in sanitizers.split(';')) |
| if 'address' in sanitizers: |
| features.add('asan') |
| if 'memory' in sanitizers or 'memorywithorigins' in sanitizers: |
| features.add('msan') |
| if 'undefined' in sanitizers: |
| features.add('ubsan') |
| |
| have_zlib = getattr(config, 'have_zlib', None) |
| if have_zlib: |
| features.add('zlib') |
| |
| # Check if we should run long running tests. |
| long_tests = lit_config.params.get('run_long_tests', None) |
| if lit.util.pythonize_bool(long_tests): |
| features.add('long_tests') |
| |
| if target_triple: |
| if re.match(r'^x86_64.*-apple', target_triple): |
| features.add('x86_64-apple') |
| host_cxx = getattr(config, 'host_cxx', None) |
| if ('address' in sanitizers and |
| self.get_clang_has_lsan(host_cxx, target_triple)): |
| self.with_environment( |
| 'ASAN_OPTIONS', 'detect_leaks=1', append_path=True) |
| if re.match(r'^x86_64.*-linux', target_triple): |
| features.add('x86_64-linux') |
| if re.match(r'^i.86.*', target_triple): |
| features.add('target-x86') |
| elif re.match(r'^x86_64.*', target_triple): |
| features.add('target-x86_64') |
| elif re.match(r'^aarch64.*', target_triple): |
| features.add('target-aarch64') |
| elif re.match(r'^arm.*', target_triple): |
| features.add('target-arm') |
| |
| use_gmalloc = lit_config.params.get('use_gmalloc', None) |
| if lit.util.pythonize_bool(use_gmalloc): |
| # Allow use of an explicit path for gmalloc library. |
| # Will default to '/usr/lib/libgmalloc.dylib' if not set. |
| gmalloc_path_str = lit_config.params.get( |
| 'gmalloc_path', '/usr/lib/libgmalloc.dylib') |
| if gmalloc_path_str is not None: |
| self.with_environment( |
| 'DYLD_INSERT_LIBRARIES', gmalloc_path_str) |
| |
| def _find_git_windows_unix_tools(self, tools_needed): |
| assert(sys.platform == 'win32') |
| if sys.version_info.major >= 3: |
| import winreg |
| else: |
| import _winreg as winreg |
| |
| # Search both the 64 and 32-bit hives, as well as HKLM + HKCU |
| masks = [0, winreg.KEY_WOW64_64KEY] |
| hives = [winreg.HKEY_LOCAL_MACHINE, winreg.HKEY_CURRENT_USER] |
| for mask, hive in itertools.product(masks, hives): |
| try: |
| with winreg.OpenKey(hive, r"SOFTWARE\GitForWindows", 0, |
| winreg.KEY_READ | mask) as key: |
| install_root, _ = winreg.QueryValueEx(key, 'InstallPath') |
| |
| if not install_root: |
| continue |
| candidate_path = os.path.join(install_root, 'usr', 'bin') |
| if not lit.util.checkToolsPath( |
| candidate_path, tools_needed): |
| continue |
| |
| # We found it, stop enumerating. |
| return lit.util.to_string(candidate_path) |
| except: |
| continue |
| |
| return None |
| |
| def with_environment(self, variable, value, append_path=False): |
| if append_path: |
| # For paths, we should be able to take a list of them and process |
| # all of them. |
| paths_to_add = value |
| if lit.util.is_string(paths_to_add): |
| paths_to_add = [paths_to_add] |
| |
| def norm(x): |
| return os.path.normcase(os.path.normpath(x)) |
| |
| current_paths = self.config.environment.get(variable, None) |
| if current_paths: |
| current_paths = current_paths.split(os.path.pathsep) |
| paths = [norm(p) for p in current_paths] |
| else: |
| paths = [] |
| |
| # If we are passed a list [a b c], then iterating this list forwards |
| # and adding each to the beginning would result in c b a. So we |
| # need to iterate in reverse to end up with the original ordering. |
| for p in reversed(paths_to_add): |
| # Move it to the front if it already exists, otherwise insert |
| # it at the beginning. |
| p = norm(p) |
| try: |
| paths.remove(p) |
| except ValueError: |
| pass |
| paths = [p] + paths |
| value = os.pathsep.join(paths) |
| self.config.environment[variable] = value |
| |
| def with_system_environment(self, variables, append_path=False): |
| if lit.util.is_string(variables): |
| variables = [variables] |
| for v in variables: |
| value = os.environ.get(v) |
| if value: |
| self.with_environment(v, value, append_path) |
| |
| def clear_environment(self, variables): |
| for name in variables: |
| if name in self.config.environment: |
| del self.config.environment[name] |
| |
| def get_process_output(self, command): |
| try: |
| cmd = subprocess.Popen( |
| command, stdout=subprocess.PIPE, |
| stderr=subprocess.PIPE, env=self.config.environment) |
| stdout, stderr = cmd.communicate() |
| stdout = lit.util.to_string(stdout) |
| stderr = lit.util.to_string(stderr) |
| return (stdout, stderr) |
| except OSError: |
| self.lit_config.fatal('Could not run process %s' % command) |
| |
| def feature_config(self, features): |
| # Ask llvm-config about the specified feature. |
| arguments = [x for (x, _) in features] |
| config_path = os.path.join(self.config.llvm_tools_dir, 'llvm-config') |
| |
| output, _ = self.get_process_output([config_path] + arguments) |
| lines = output.split('\n') |
| |
| for (feature_line, (_, patterns)) in zip(lines, features): |
| # We should have either a callable or a dictionary. If it's a |
| # dictionary, grep each key against the output and use the value if |
| # it matches. If it's a callable, it does the entire translation. |
| if callable(patterns): |
| features_to_add = patterns(feature_line) |
| self.config.available_features.update(features_to_add) |
| else: |
| for (re_pattern, feature) in patterns.items(): |
| if re.search(re_pattern, feature_line): |
| self.config.available_features.add(feature) |
| |
| # Note that when substituting %clang_cc1 also fill in the include directory |
| # of the builtin headers. Those are part of even a freestanding |
| # environment, but Clang relies on the driver to locate them. |
| def get_clang_builtin_include_dir(self, clang): |
| # FIXME: Rather than just getting the version, we should have clang |
| # print out its resource dir here in an easy to scrape form. |
| clang_dir, _ = self.get_process_output( |
| [clang, '-print-file-name=include']) |
| |
| if not clang_dir: |
| print(clang) |
| self.lit_config.fatal( |
| "Couldn't find the include dir for Clang ('%s')" % clang) |
| |
| clang_dir = clang_dir.strip() |
| if sys.platform in ['win32'] and not self.use_lit_shell: |
| # Don't pass dosish path separator to msys bash.exe. |
| clang_dir = clang_dir.replace('\\', '/') |
| # Ensure the result is an ascii string, across Python2.5+ - Python3. |
| return clang_dir |
| |
| # On macOS, LSan is only supported on clang versions 5 and higher |
| def get_clang_has_lsan(self, clang, triple): |
| if not clang: |
| self.lit_config.warning( |
| 'config.host_cxx is unset but test suite is configured ' |
| 'to use sanitizers.') |
| return False |
| |
| clang_binary = clang.split()[0] |
| version_string, _ = self.get_process_output( |
| [clang_binary, '--version']) |
| if not 'clang' in version_string: |
| self.lit_config.warning( |
| "compiler '%s' does not appear to be clang, " % clang_binary + |
| 'but test suite is configured to use sanitizers.') |
| return False |
| |
| if re.match(r'.*-linux', triple): |
| return True |
| |
| if re.match(r'^x86_64.*-apple', triple): |
| version_regex = re.search(r'version ([0-9]+)\.([0-9]+).([0-9]+)', |
| version_string) |
| major_version_number = int(version_regex.group(1)) |
| minor_version_number = int(version_regex.group(2)) |
| patch_version_number = int(version_regex.group(3)) |
| if ('Apple LLVM' in version_string or |
| 'Apple clang' in version_string): |
| # Apple clang doesn't yet support LSan |
| return False |
| return major_version_number >= 5 |
| |
| return False |
| |
| def make_itanium_abi_triple(self, triple): |
| m = re.match(r'(\w+)-(\w+)-(\w+)', triple) |
| if not m: |
| self.lit_config.fatal( |
| "Could not turn '%s' into Itanium ABI triple" % triple) |
| if m.group(3).lower() != 'windows': |
| # All non-windows triples use the Itanium ABI. |
| return triple |
| return m.group(1) + '-' + m.group(2) + '-' + m.group(3) + '-gnu' |
| |
| def make_msabi_triple(self, triple): |
| m = re.match(r'(\w+)-(\w+)-(\w+)', triple) |
| if not m: |
| self.lit_config.fatal( |
| "Could not turn '%s' into MS ABI triple" % triple) |
| isa = m.group(1).lower() |
| vendor = m.group(2).lower() |
| os = m.group(3).lower() |
| if os == 'windows' and re.match(r'.*-msvc$', triple): |
| # If the OS is windows and environment is msvc, we're done. |
| return triple |
| if isa.startswith('x86') or isa == 'amd64' or re.match(r'i\d86', isa): |
| # For x86 ISAs, adjust the OS. |
| return isa + '-' + vendor + '-windows-msvc' |
| # -msvc is not supported for non-x86 targets; use a default. |
| return 'i686-pc-windows-msvc' |
| |
| def add_tool_substitutions(self, tools, search_dirs=None): |
| if not search_dirs: |
| search_dirs = [self.config.llvm_tools_dir] |
| |
| if lit.util.is_string(search_dirs): |
| search_dirs = [search_dirs] |
| |
| tools = [x if isinstance(x, ToolSubst) else ToolSubst(x) |
| for x in tools] |
| |
| search_dirs = os.pathsep.join(search_dirs) |
| substitutions = [] |
| |
| for tool in tools: |
| match = tool.resolve(self, search_dirs) |
| |
| # Either no match occurred, or there was an unresolved match that |
| # is ignored. |
| if not match: |
| continue |
| |
| subst_key, tool_pipe, command = match |
| |
| # An unresolved match occurred that can't be ignored. Fail without |
| # adding any of the previously-discovered substitutions. |
| if not command: |
| return False |
| |
| substitutions.append((subst_key, tool_pipe + command)) |
| |
| self.config.substitutions.extend(substitutions) |
| return True |
| |
| def add_err_msg_substitutions(self): |
| # Python's strerror may not supply the same message |
| # as C++ std::error_code. One example of such a platform is |
| # Visual Studio. errc_messages may be supplied which contains the error |
| # messages for ENOENT, EISDIR, EINVAL and EACCES as a semi colon |
| # separated string. LLVM testsuites can use get_errc_messages in cmake |
| # to automatically get the messages and pass them into lit. |
| errc_messages = getattr(self.config, 'errc_messages', '') |
| if len(errc_messages) != 0: |
| (errc_enoent, errc_eisdir, |
| errc_einval, errc_eacces) = errc_messages.split(';') |
| self.config.substitutions.append( |
| ('%errc_ENOENT', '\'' + errc_enoent + '\'')) |
| self.config.substitutions.append( |
| ('%errc_EISDIR', '\'' + errc_eisdir + '\'')) |
| self.config.substitutions.append( |
| ('%errc_EINVAL', '\'' + errc_einval + '\'')) |
| self.config.substitutions.append( |
| ('%errc_EACCES', '\'' + errc_eacces + '\'')) |
| else: |
| self.config.substitutions.append( |
| ('%errc_ENOENT', '\'' + os.strerror(errno.ENOENT) + '\'')) |
| self.config.substitutions.append( |
| ('%errc_EISDIR', '\'' + os.strerror(errno.EISDIR) + '\'')) |
| self.config.substitutions.append( |
| ('%errc_EINVAL', '\'' + os.strerror(errno.EINVAL) + '\'')) |
| self.config.substitutions.append( |
| ('%errc_EACCES', '\'' + os.strerror(errno.EACCES) + '\'')) |
| |
| def use_default_substitutions(self): |
| tool_patterns = [ |
| ToolSubst('FileCheck', unresolved='fatal'), |
| # Handle these specially as they are strings searched for during |
| # testing. |
| ToolSubst(r'\| \bcount\b', command=FindTool('count'), |
| verbatim=True, unresolved='fatal'), |
| ToolSubst(r'\| \bnot\b', command=FindTool('not'), |
| verbatim=True, unresolved='fatal')] |
| |
| self.config.substitutions.append(('%python', '"%s"' % (sys.executable))) |
| |
| self.add_tool_substitutions( |
| tool_patterns, [self.config.llvm_tools_dir]) |
| |
| self.add_err_msg_substitutions() |
| |
| def use_llvm_tool(self, name, search_env=None, required=False, quiet=False, |
| search_paths=None, use_installed=False): |
| """Find the executable program 'name', optionally using the specified |
| environment variable as an override before searching the build directory |
| and then optionally the configuration's PATH.""" |
| # If the override is specified in the environment, use it without |
| # validation. |
| tool = None |
| if search_env: |
| tool = self.config.environment.get(search_env) |
| |
| if not tool: |
| if search_paths is None: |
| search_paths = [self.config.llvm_tools_dir] |
| # Use the specified search paths. |
| path = os.pathsep.join(search_paths) |
| tool = lit.util.which(name, path) |
| |
| if not tool and use_installed: |
| # Otherwise look in the path, if enabled. |
| tool = lit.util.which(name, self.config.environment['PATH']) |
| |
| if required and not tool: |
| message = "couldn't find '{}' program".format(name) |
| if search_env: |
| message = message + \ |
| ', try setting {} in your environment'.format(search_env) |
| self.lit_config.fatal(message) |
| |
| if tool: |
| tool = os.path.normpath(tool) |
| if not self.lit_config.quiet and not quiet: |
| self.lit_config.note('using {}: {}'.format(name, tool)) |
| return tool |
| |
| def use_clang(self, additional_tool_dirs=[], additional_flags=[], |
| required=True, use_installed=False): |
| """Configure the test suite to be able to invoke clang. |
| |
| Sets up some environment variables important to clang, locates a |
| just-built or optionally an installed clang, and add a set of standard |
| substitutions useful to any test suite that makes use of clang. |
| |
| """ |
| # Clear some environment variables that might affect Clang. |
| # |
| # This first set of vars are read by Clang, but shouldn't affect tests |
| # that aren't specifically looking for these features, or are required |
| # simply to run the tests at all. |
| # |
| # FIXME: Should we have a tool that enforces this? |
| |
| # safe_env_vars = ( |
| # 'TMPDIR', 'TEMP', 'TMP', 'USERPROFILE', 'PWD', |
| # 'MACOSX_DEPLOYMENT_TARGET', 'IPHONEOS_DEPLOYMENT_TARGET', |
| # 'VCINSTALLDIR', 'VC100COMNTOOLS', 'VC90COMNTOOLS', |
| # 'VC80COMNTOOLS') |
| possibly_dangerous_env_vars = [ |
| 'COMPILER_PATH', 'RC_DEBUG_OPTIONS', |
| 'CINDEXTEST_PREAMBLE_FILE', 'LIBRARY_PATH', |
| 'CPATH', 'C_INCLUDE_PATH', 'CPLUS_INCLUDE_PATH', |
| 'OBJC_INCLUDE_PATH', 'OBJCPLUS_INCLUDE_PATH', |
| 'LIBCLANG_TIMING', 'LIBCLANG_OBJTRACKING', |
| 'LIBCLANG_LOGGING', 'LIBCLANG_BGPRIO_INDEX', |
| 'LIBCLANG_BGPRIO_EDIT', 'LIBCLANG_NOTHREADS', |
| 'LIBCLANG_RESOURCE_USAGE', |
| 'LIBCLANG_CODE_COMPLETION_LOGGING', |
| ] |
| # Clang/Win32 may refer to %INCLUDE%. vsvarsall.bat sets it. |
| if platform.system() != 'Windows': |
| possibly_dangerous_env_vars.append('INCLUDE') |
| |
| self.clear_environment(possibly_dangerous_env_vars) |
| |
| # Tweak the PATH to include the tools dir and the scripts dir. |
| # Put Clang first to avoid LLVM from overriding out-of-tree clang |
| # builds. |
| exe_dir_props = [self.config.name.lower() + '_tools_dir', |
| 'clang_tools_dir', 'llvm_tools_dir'] |
| paths = [getattr(self.config, pp) for pp in exe_dir_props |
| if getattr(self.config, pp, None)] |
| paths = additional_tool_dirs + paths |
| self.with_environment('PATH', paths, append_path=True) |
| |
| lib_dir_props = [ |
| self.config.name.lower() + '_libs_dir', |
| 'clang_libs_dir', |
| 'llvm_shlib_dir', |
| 'llvm_libs_dir', |
| ] |
| lib_paths = [getattr(self.config, pp) for pp in lib_dir_props |
| if getattr(self.config, pp, None)] |
| |
| self.with_environment('LD_LIBRARY_PATH', lib_paths, append_path=True) |
| |
| shl = getattr(self.config, 'llvm_shlib_dir', None) |
| pext = getattr(self.config, 'llvm_plugin_ext', None) |
| if shl: |
| self.config.substitutions.append(('%llvmshlibdir', shl)) |
| if pext: |
| self.config.substitutions.append(('%pluginext', pext)) |
| |
| # Discover the 'clang' and 'clangcc' to use. |
| self.config.clang = self.use_llvm_tool( |
| 'clang', search_env='CLANG', required=required, |
| search_paths=paths, use_installed=use_installed) |
| if self.config.clang: |
| self.config.available_features.add('clang') |
| builtin_include_dir = self.get_clang_builtin_include_dir( |
| self.config.clang) |
| tool_substitutions = [ |
| ToolSubst('%clang', command=self.config.clang, |
| extra_args=additional_flags), |
| ToolSubst('%clang_analyze_cc1', command='%clang_cc1', |
| extra_args=['-analyze', '%analyze', |
| '-setup-static-analyzer']+additional_flags), |
| ToolSubst('%clang_cc1', command=self.config.clang, |
| extra_args=['-cc1', '-internal-isystem', |
| builtin_include_dir, '-nostdsysteminc'] + |
| additional_flags), |
| ToolSubst('%clang_cpp', command=self.config.clang, |
| extra_args=['--driver-mode=cpp']+additional_flags), |
| ToolSubst('%clang_cl', command=self.config.clang, |
| extra_args=['--driver-mode=cl']+additional_flags), |
| ToolSubst('%clangxx', command=self.config.clang, |
| extra_args=['--driver-mode=g++']+additional_flags), |
| ] |
| self.add_tool_substitutions(tool_substitutions) |
| self.config.substitutions.append( |
| ('%resource_dir', builtin_include_dir)) |
| |
| self.config.substitutions.append( |
| ('%itanium_abi_triple', |
| self.make_itanium_abi_triple(self.config.target_triple))) |
| self.config.substitutions.append( |
| ('%ms_abi_triple', |
| self.make_msabi_triple(self.config.target_triple))) |
| |
| # The host triple might not be set, at least if we're compiling clang |
| # from an already installed llvm. |
| if (self.config.host_triple and |
| self.config.host_triple != '@LLVM_HOST_TRIPLE@'): |
| self.config.substitutions.append( |
| ('%target_itanium_abi_host_triple', |
| '--target=' + self.make_itanium_abi_triple( |
| self.config.host_triple))) |
| else: |
| self.config.substitutions.append( |
| ('%target_itanium_abi_host_triple', '')) |
| |
| # FIXME: Find nicer way to prohibit this. |
| def prefer(this, to): |
| return '''\"*** Do not use '%s' in tests, use '%s'. ***\"''' % ( |
| to, this) |
| self.config.substitutions.append( |
| (' clang ', prefer('%clang', 'clang'))) |
| self.config.substitutions.append( |
| (r' clang\+\+ ', prefer('%clangxx', 'clang++'))) |
| self.config.substitutions.append( |
| (' clang-cc ', prefer('%clang_cc1', 'clang-cc'))) |
| self.config.substitutions.append( |
| (' clang-cl ', prefer('%clang_cl', 'clang-cl'))) |
| self.config.substitutions.append( |
| (' clang -cc1 -analyze ', |
| prefer('%clang_analyze_cc1', 'clang -cc1 -analyze'))) |
| self.config.substitutions.append( |
| (' clang -cc1 ', prefer('%clang_cc1', 'clang -cc1'))) |
| self.config.substitutions.append( |
| (' %clang-cc1 ', |
| '''\"*** invalid substitution, use '%clang_cc1'. ***\"''')) |
| self.config.substitutions.append( |
| (' %clang-cpp ', |
| '''\"*** invalid substitution, use '%clang_cpp'. ***\"''')) |
| self.config.substitutions.append( |
| (' %clang-cl ', |
| '''\"*** invalid substitution, use '%clang_cl'. ***\"''')) |
| |
| def use_lld(self, additional_tool_dirs=[], required=True, |
| use_installed=False): |
| """Configure the test suite to be able to invoke lld. |
| |
| Sets up some environment variables important to lld, locates a |
| just-built or optionally an installed lld, and add a set of standard |
| substitutions useful to any test suite that makes use of lld. |
| |
| """ |
| |
| # Tweak the PATH to include the tools dir and the scripts dir. |
| exe_dir_props = [self.config.name.lower() + '_tools_dir', |
| 'lld_tools_dir', 'llvm_tools_dir'] |
| paths = [getattr(self.config, pp) for pp in exe_dir_props |
| if getattr(self.config, pp, None)] |
| paths = additional_tool_dirs + paths |
| self.with_environment('PATH', paths, append_path=True) |
| |
| lib_dir_props = [self.config.name.lower() + '_libs_dir', |
| 'lld_libs_dir', 'llvm_libs_dir'] |
| lib_paths = [getattr(self.config, pp) for pp in lib_dir_props |
| if getattr(self.config, pp, None)] |
| |
| self.with_environment('LD_LIBRARY_PATH', lib_paths, append_path=True) |
| |
| # Discover the LLD executables to use. |
| |
| ld_lld = self.use_llvm_tool('ld.lld', required=required, |
| search_paths=paths, |
| use_installed=use_installed) |
| lld_link = self.use_llvm_tool('lld-link', required=required, |
| search_paths=paths, |
| use_installed=use_installed) |
| ld64_lld = self.use_llvm_tool('ld64.lld', required=required, |
| search_paths=paths, |
| use_installed=use_installed) |
| wasm_ld = self.use_llvm_tool('wasm-ld', required=required, |
| search_paths=paths, |
| use_installed=use_installed) |
| |
| was_found = ld_lld and lld_link and ld64_lld and wasm_ld |
| tool_substitutions = [] |
| if ld_lld: |
| tool_substitutions.append(ToolSubst(r'ld\.lld', command=ld_lld)) |
| self.config.available_features.add('ld.lld') |
| if lld_link: |
| tool_substitutions.append(ToolSubst('lld-link', command=lld_link)) |
| self.config.available_features.add('lld-link') |
| if ld64_lld: |
| tool_substitutions.append(ToolSubst(r'ld64\.lld', command=ld64_lld)) |
| self.config.available_features.add('ld64.lld') |
| if wasm_ld: |
| tool_substitutions.append(ToolSubst('wasm-ld', command=wasm_ld)) |
| self.config.available_features.add('wasm-ld') |
| self.add_tool_substitutions(tool_substitutions) |
| |
| return was_found |
