blob: 0a551862c32bc5dfb88129f6f918d441571a4968 [file] [log] [blame]
# -*- Python -*-
# Configuration file for 'lit' test runner.
# This file contains common rules for various compiler-rt testsuites.
# It is mostly copied from lit.cfg used by Clang.
import os
import platform
import lit.formats
import lit.util
# Setup test format
execute_external = (platform.system() != 'Windows'
or lit_config.getBashPath() not in [None, ""])
config.test_format = lit.formats.ShTest(execute_external)
# Setup clang binary.
compiler_path = getattr(config, 'clang', None)
if (not compiler_path) or (not os.path.exists(compiler_path)):
lit_config.fatal("Can't find compiler on path %r" % compiler_path)
compiler_id = getattr(config, 'compiler_id', None)
if compiler_id == "Clang":
if platform.system() != 'Windows':
config.cxx_mode_flags = ["--driver-mode=g++"]
config.cxx_mode_flags = []
# We assume that sanitizers should provide good enough error
# reports and stack traces even with minimal debug info.
config.debug_info_flags = ["-gline-tables-only"]
elif compiler_id == 'GNU':
config.cxx_mode_flags = ["-x c++"]
config.debug_info_flags = ["-g"]
lit_config.fatal("Unsupported compiler id: %r" % compiler_id)
# Add compiler ID to the list of available features.
# Clear some environment variables that might affect Clang.
possibly_dangerous_env_vars = ['COMPILER_PATH', 'RC_DEBUG_OPTIONS',
# Clang/Win32 may refer to %INCLUDE%. vsvarsall.bat sets it.
if platform.system() != 'Windows':
for name in possibly_dangerous_env_vars:
if name in config.environment:
del config.environment[name]
# Tweak PATH to include llvm tools dir.
llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
if (not llvm_tools_dir) or (not os.path.exists(llvm_tools_dir)):
lit_config.fatal("Invalid llvm_tools_dir config attribute: %r" % llvm_tools_dir)
path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
config.environment['PATH'] = path
# Help MSVS link.exe find the standard libraries.
# Make sure we only try to use it when targetting Windows.
if platform.system() == 'Windows' and '-win' in config.target_triple:
config.environment['LIB'] = os.environ['LIB']
# Use ugly construction to explicitly prohibit "clang", "clang++" etc.
# in RUN lines.
(' clang', """\n\n*** Do not use 'clangXXX' in tests,
instead define '%clangXXX' substitution in lit config. ***\n\n""") )
# Allow tests to be executed on a simulator or remotely.
config.substitutions.append( ('%run', config.emulator) )
# Define CHECK-%os to check for OS-dependent output.
config.substitutions.append( ('CHECK-%os', ("CHECK-" + config.host_os)))
# Add supported compiler_rt architectures to a list of available features.
compiler_rt_arch = getattr(config, 'compiler_rt_arch', None)
if compiler_rt_arch:
for arch in compiler_rt_arch.split(";"):
config.available_features.add(arch + "-supported-target")
compiler_rt_debug = getattr(config, 'compiler_rt_debug', False)
if not compiler_rt_debug:
lit.util.usePlatformSdkOnDarwin(config, lit_config)