1 # -*- Python -*- 2 3 # Configuration file for the 'lit' test runner. 4 5 import os 6 7 # name: The name of this test suite. 8 config.name = 'Clang-Unit' 9 10 # suffixes: A list of file extensions to treat as test files. 11 config.suffixes = [] 12 13 # test_source_root: The root path where tests are located. 14 # test_exec_root: The root path where tests should be run. 15 clang_obj_root = getattr(config, 'clang_obj_root', None) 16 if clang_obj_root is not None: 17 config.test_exec_root = os.path.join(clang_obj_root, 'unittests') 18 config.test_source_root = config.test_exec_root 19 20 # testFormat: The test format to use to interpret tests. 21 llvm_build_mode = getattr(config, 'llvm_build_mode', "Debug") 22 config.test_format = lit.formats.GoogleTest(llvm_build_mode, 'Tests') 23 24 # Propagate the temp directory. Windows requires this because it uses \Windows\ 25 # if none of these are present. 26 if 'TMP' in os.environ: 27 config.environment['TMP'] = os.environ['TMP'] 28 if 'TEMP' in os.environ: 29 config.environment['TEMP'] = os.environ['TEMP'] 30 31 # Propagate path to symbolizer for ASan/MSan. 32 for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']: 33 if symbolizer in os.environ: 34 config.environment[symbolizer] = os.environ[symbolizer] 35 36 ### 37 38 # Check that the object root is known. 39 if config.test_exec_root is None: 40 # Otherwise, we haven't loaded the site specific configuration (the user is 41 # probably trying to run on a test file directly, and either the site 42 # configuration hasn't been created by the build system, or we are in an 43 # out-of-tree build situation). 44 45 # Check for 'clang_unit_site_config' user parameter, and use that if available. 46 site_cfg = lit.params.get('clang_unit_site_config', None) 47 if site_cfg and os.path.exists(site_cfg): 48 lit.load_config(config, site_cfg) 49 raise SystemExit 50 51 # Try to detect the situation where we are using an out-of-tree build by 52 # looking for 'llvm-config'. 53 # 54 # FIXME: I debated (i.e., wrote and threw away) adding logic to 55 # automagically generate the lit.site.cfg if we are in some kind of fresh 56 # build situation. This means knowing how to invoke the build system 57 # though, and I decided it was too much magic. 58 59 llvm_config = lit.util.which('llvm-config', config.environment['PATH']) 60 if not llvm_config: 61 lit.fatal('No site specific configuration available!') 62 63 # Get the source and object roots. 64 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip() 65 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip() 66 clang_src_root = os.path.join(llvm_src_root, "tools", "clang") 67 clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang") 68 69 # Validate that we got a tree which points to here, using the standard 70 # tools/clang layout. 71 this_src_root = os.path.join(os.path.dirname(__file__),'..','..') 72 if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root): 73 lit.fatal('No site specific configuration available!') 74 75 # Check that the site specific configuration exists. 76 site_cfg = os.path.join(clang_obj_root, 'test', 'Unit', 'lit.site.cfg') 77 if not os.path.exists(site_cfg): 78 lit.fatal('No site specific configuration available!') 79 80 # Okay, that worked. Notify the user of the automagic, and reconfigure. 81 lit.note('using out-of-tree build at %r' % clang_obj_root) 82 lit.load_config(config, site_cfg) 83 raise SystemExit 84 85 # If necessary, point the dynamic loader at libLLVM.so. 86 if config.enable_shared: 87 shlibpath = config.environment.get(config.shlibpath_var,'') 88 if shlibpath: 89 shlibpath = os.pathsep + shlibpath 90 shlibpath = config.shlibdir + shlibpath 91 config.environment[config.shlibpath_var] = shlibpath 92
