diff --git a/clang/test/lit.cfg.py b/clang/test/lit.cfg.py index a6f9bb3d86a7..39bdf36afd11 100644 --- a/clang/test/lit.cfg.py +++ b/clang/test/lit.cfg.py @@ -39,71 +39,35 @@ config.test_source_root = os.path.dirname(__file__) # test_exec_root: The root path where tests should be run. config.test_exec_root = os.path.join(config.clang_obj_root, 'test') -# 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? +llvm_config.use_default_substitutions() -# 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') - -llvm_config.clear_environment(possibly_dangerous_env_vars) - -# Tweak the PATH to include the tools dir and the scripts dir. -llvm_config.with_environment( - 'PATH', [config.llvm_tools_dir, config.clang_tools_dir], append_path=True) - -llvm_config.with_environment('LD_LIBRARY_PATH', [ - config.llvm_shlib_dir, config.llvm_libs_dir], append_path=True) +llvm_config.use_clang() # Propagate path to symbolizer for ASan/MSan. llvm_config.with_system_environment( ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']) -llvm_config.use_default_substitutions() - -# Discover the 'clang' and 'clangcc' to use. +config.substitutions.append(('%PATH%', config.environment['PATH'])) -def inferClang(PATH): - # Determine which clang to use. - clang = os.getenv('CLANG') +# For each occurrence of a clang tool name, replace it with the full path to +# the build directory holding that tool. We explicitly specify the directories +# to search to ensure that we get the tools just built and not some random +# tools that might happen to be in the user's PATH. +tool_dirs = [config.clang_tools_dir, config.llvm_tools_dir] - # If the user set clang in the environment, definitely use that and don't - # try to validate. - if clang: - return clang +tools = [ + 'c-index-test', 'clang-check', 'clang-diff', 'clang-format', 'opt', + ToolSubst('%test_debuginfo', command=os.path.join( + config.llvm_src_root, 'utils', 'test_debuginfo.pl')), + ToolSubst('%clang_func_map', command=FindTool( + 'clang-func-mapping'), unresolved='ignore'), +] - # Otherwise look in the path. - clang = lit.util.which('clang', PATH) +if config.clang_examples: + tools.append('clang-interpreter') - if not clang: - lit_config.fatal("couldn't find 'clang' program, try setting " - 'CLANG in your environment') - - return clang - - -config.clang = inferClang(config.environment['PATH']).replace('\\', '/') -if not lit_config.quiet: - lit_config.note('using clang: %r' % config.clang) +llvm_config.add_tool_substitutions(tools, tool_dirs) # Plugins (loadable modules) # TODO: This should be supplied by Makefile or autoconf. @@ -115,87 +79,6 @@ else: if has_plugins and config.llvm_plugin_ext: config.available_features.add('plugins') -config.substitutions.append(('%llvmshlibdir', config.llvm_shlib_dir)) -config.substitutions.append(('%pluginext', config.llvm_plugin_ext)) -config.substitutions.append(('%PATH%', config.environment['PATH'])) - -if config.clang_examples: - config.available_features.add('examples') - -builtin_include_dir = llvm_config.get_clang_builtin_include_dir(config.clang) - -tools = [ - # By specifying %clang_cc1 as part of the substitution, this substitution - # relies on repeated substitution, so must come before %clang_cc1. - ToolSubst('%clang_analyze_cc1', command='%clang_cc1', - extra_args=['-analyze', '%analyze']), - ToolSubst('%clang_cc1', command=config.clang, extra_args=[ - '-cc1', '-internal-isystem', builtin_include_dir, '-nostdsysteminc']), - ToolSubst('%clang_cpp', command=config.clang, - extra_args=['--driver-mode=cpp']), - ToolSubst('%clang_cl', command=config.clang, - extra_args=['--driver-mode=cl']), - ToolSubst('%clangxx', command=config.clang, - extra_args=['--driver-mode=g++']), - ToolSubst('%clang_func_map', command=FindTool( - 'clang-func-mapping'), unresolved='ignore'), - ToolSubst('%clang', command=config.clang), - ToolSubst('%test_debuginfo', command=os.path.join( - config.llvm_src_root, 'utils', 'test_debuginfo.pl')), - 'c-index-test', 'clang-check', 'clang-diff', 'clang-format', 'opt'] - -if config.clang_examples: - tools.append('clang-interpreter') - -# For each occurrence of a clang tool name, replace it with the full path to -# the build directory holding that tool. We explicitly specify the directories -# to search to ensure that we get the tools just built and not some random -# tools that might happen to be in the user's PATH. -tool_dirs = [config.clang_tools_dir, config.llvm_tools_dir] - -llvm_config.add_tool_substitutions(tools, tool_dirs) - -# FIXME: Find nicer way to prohibit this. -config.substitutions.append( - (' clang ', """*** Do not use 'clang' in tests, use '%clang'. ***""")) -config.substitutions.append( - (' clang\+\+ ', """*** Do not use 'clang++' in tests, use '%clangxx'. ***""")) -config.substitutions.append( - (' clang-cc ', - """*** Do not use 'clang-cc' in tests, use '%clang_cc1'. ***""")) -config.substitutions.append( - (' clang -cc1 -analyze ', - """*** Do not use 'clang -cc1 -analyze' in tests, use '%clang_analyze_cc1'. ***""")) -config.substitutions.append( - (' clang -cc1 ', - """*** Do not use 'clang -cc1' in tests, use '%clang_cc1'. ***""")) -config.substitutions.append( - (' %clang-cc1 ', - """*** invalid substitution, use '%clang_cc1'. ***""")) -config.substitutions.append( - (' %clang-cpp ', - """*** invalid substitution, use '%clang_cpp'. ***""")) -config.substitutions.append( - (' %clang-cl ', - """*** invalid substitution, use '%clang_cl'. ***""")) - -config.substitutions.append(('%itanium_abi_triple', - llvm_config.make_itanium_abi_triple(config.target_triple))) -config.substitutions.append(('%ms_abi_triple', - llvm_config.make_msabi_triple(config.target_triple))) -config.substitutions.append(('%resource_dir', builtin_include_dir)) - -# The host triple might not be set, at least if we're compiling clang from -# an already installed llvm. -if config.host_triple and config.host_triple != '@LLVM_HOST_TRIPLE@': - config.substitutions.append(('%target_itanium_abi_host_triple', - '--target=%s' % llvm_config.make_itanium_abi_triple(config.host_triple))) -else: - config.substitutions.append(('%target_itanium_abi_host_triple', '')) - -config.substitutions.append( - ('%src_include_dir', config.clang_src_dir + '/include')) - # Set available features we allow tests to conditionalize on. # if config.clang_default_cxx_stdlib != '': @@ -227,6 +110,8 @@ if platform.system() not in ['Darwin', 'Fuchsia']: config.available_features.add('libgcc') # Case-insensitive file system + + def is_filesystem_case_insensitive(): handle, path = tempfile.mkstemp( prefix='case-test', dir=config.test_exec_root)