3 # Configuration file for 'lit' test runner.
4 # This file contains common rules for various compiler-rt testsuites.
5 # It is mostly copied from lit.cfg used by Clang.
12 execute_external = (platform.system() != 'Windows'
13 or lit_config.getBashPath() not in [None, ""])
14 config.test_format = lit.formats.ShTest(execute_external)
17 clang_path = getattr(config, 'clang', None)
18 if (not clang_path) or (not os.path.exists(clang_path)):
19 lit_config.fatal("Can't find Clang on path %r" % clang_path)
21 # Clear some environment variables that might affect Clang.
22 possibly_dangerous_env_vars = ['COMPILER_PATH', 'RC_DEBUG_OPTIONS',
23 'CINDEXTEST_PREAMBLE_FILE', 'LIBRARY_PATH',
24 'CPATH', 'C_INCLUDE_PATH', 'CPLUS_INCLUDE_PATH',
25 'OBJC_INCLUDE_PATH', 'OBJCPLUS_INCLUDE_PATH',
26 'LIBCLANG_TIMING', 'LIBCLANG_OBJTRACKING',
27 'LIBCLANG_LOGGING', 'LIBCLANG_BGPRIO_INDEX',
28 'LIBCLANG_BGPRIO_EDIT', 'LIBCLANG_NOTHREADS',
29 'LIBCLANG_RESOURCE_USAGE',
30 'LIBCLANG_CODE_COMPLETION_LOGGING']
31 # Clang/Win32 may refer to %INCLUDE%. vsvarsall.bat sets it.
32 if platform.system() != 'Windows':
33 possibly_dangerous_env_vars.append('INCLUDE')
34 for name in possibly_dangerous_env_vars:
35 if name in config.environment:
36 del config.environment[name]
38 # Tweak PATH to include llvm tools dir.
39 llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
40 if (not llvm_tools_dir) or (not os.path.exists(llvm_tools_dir)):
41 lit_config.fatal("Invalid llvm_tools_dir config attribute: %r" % llvm_tools_dir)
42 path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
43 config.environment['PATH'] = path
45 # Define path to external llvm-symbolizer tool.
46 config.llvm_symbolizer_path = os.path.join(llvm_tools_dir, "llvm-symbolizer")
48 # Use ugly construction to explicitly prohibit "clang", "clang++" etc.
50 config.substitutions.append(
51 (' clang', """\n\n*** Do not use 'clangXXX' in tests,
52 instead define '%clangXXX' substitution in lit config. ***\n\n""") )
54 # Add supported compiler_rt architectures to a list of available features.
55 compiler_rt_arch = getattr(config, 'compiler_rt_arch', None)
57 for arch in compiler_rt_arch.split(";"):
58 config.available_features.add(arch + "-supported-target")