| # -*- Python -*- |
| |
| import os |
| import subprocess |
| import shlex |
| |
| # Setup config name. |
| config.name = "CRT" + config.name_suffix |
| |
| # Setup source root. |
| config.test_source_root = os.path.dirname(__file__) |
| |
| |
| # 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. |
| use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL") |
| if use_lit_shell: |
| # 0 is external, "" is default, and everything else is internal. |
| execute_external = use_lit_shell == "0" |
| else: |
| # Otherwise we default to internal on Windows and external elsewhere, as |
| # bash on Windows is usually very slow. |
| execute_external = not sys.platform in ["win32"] |
| |
| |
| def get_library_path(file): |
| cmd = subprocess.Popen( |
| [config.clang.strip(), "-print-file-name=%s" % file] |
| + shlex.split(config.target_cflags), |
| stdout=subprocess.PIPE, |
| env=config.environment, |
| universal_newlines=True, |
| ) |
| if not cmd.stdout: |
| lit_config.fatal("Couldn't find the library path for '%s'" % file) |
| dir = cmd.stdout.read().strip() |
| if sys.platform in ["win32"] and execute_external: |
| # Don't pass dosish path separator to msys bash.exe. |
| dir = dir.replace("\\", "/") |
| return dir |
| |
| |
| def get_libgcc_file_name(): |
| cmd = subprocess.Popen( |
| [config.clang.strip(), "-print-libgcc-file-name"] |
| + shlex.split(config.target_cflags), |
| stdout=subprocess.PIPE, |
| env=config.environment, |
| universal_newlines=True, |
| ) |
| if not cmd.stdout: |
| lit_config.fatal("Couldn't find the library path for '%s'" % file) |
| dir = cmd.stdout.read().strip() |
| if sys.platform in ["win32"] and execute_external: |
| # Don't pass dosish path separator to msys bash.exe. |
| dir = dir.replace("\\", "/") |
| return dir |
| |
| |
| def build_invocation(compile_flags): |
| return " " + " ".join([config.clang] + compile_flags) + " " |
| |
| |
| # Setup substitutions. |
| config.substitutions.append(("%clang ", build_invocation([config.target_cflags]))) |
| config.substitutions.append( |
| ("%clangxx ", build_invocation(config.cxx_mode_flags + [config.target_cflags])) |
| ) |
| |
| base_lib = os.path.join( |
| config.compiler_rt_libdir, "clang_rt.%%s%s.o" % config.target_suffix |
| ) |
| |
| if sys.platform in ["win32"] and execute_external: |
| # Don't pass dosish path separator to msys bash.exe. |
| base_lib = base_lib.replace("\\", "/") |
| |
| config.substitutions.append(("%crtbegin", base_lib % "crtbegin")) |
| config.substitutions.append(("%crtend", base_lib % "crtend")) |
| |
| config.substitutions.append(("%crt1", get_library_path("crt1.o"))) |
| config.substitutions.append(("%crti", get_library_path("crti.o"))) |
| config.substitutions.append(("%crtn", get_library_path("crtn.o"))) |
| |
| config.substitutions.append(("%libgcc", get_libgcc_file_name())) |
| |
| config.substitutions.append( |
| ("%libstdcxx", "-l" + config.sanitizer_cxx_lib.lstrip("lib")) |
| ) |
| |
| # Default test suffixes. |
| config.suffixes = [".c", ".cpp"] |
| |
| if config.host_os not in ["Linux"]: |
| config.unsupported = True |