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# -*- Python -*-
import os
import subprocess
# 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(),
config.target_cflags.strip(),
'-print-file-name=%s' % file],
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(),
config.target_cflags.strip(),
'-print-libgcc-file-name'],
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
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