1 # -*- Python -*- 2 3 # Configuration file for the 'lit' test runner. 4 5 import os 6 7 import lit.formats 8 9 # name: The name of this test suite. 10 config.name = 'LLVM-Unit' 11 12 # suffixes: A list of file extensions to treat as test files. 13 config.suffixes = [] 14 15 # test_source_root: The root path where tests are located. 16 # test_exec_root: The root path where tests should be run. 17 llvm_obj_root = getattr(config, 'llvm_obj_root', None) 18 if llvm_obj_root is not None: 19 config.test_exec_root = os.path.join(llvm_obj_root, 'unittests') 20 config.test_source_root = config.test_exec_root 21 22 # testFormat: The test format to use to interpret tests. 23 llvm_build_mode = getattr(config, 'llvm_build_mode', "Debug") 24 config.test_format = lit.formats.GoogleTest(llvm_build_mode, 'Tests') 25 26 # Propagate the temp directory. Windows requires this because it uses \Windows\ 27 # if none of these are present. 28 if 'TMP' in os.environ: 29 config.environment['TMP'] = os.environ['TMP'] 30 if 'TEMP' in os.environ: 31 config.environment['TEMP'] = os.environ['TEMP'] 32 33 # Propagate path to symbolizer for ASan/MSan. 34 for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']: 35 if symbolizer in os.environ: 36 config.environment[symbolizer] = os.environ[symbolizer] 37 38 # Win32 seeks DLLs along %PATH%. 39 if sys.platform in ['win32', 'cygwin'] and os.path.isdir(config.shlibdir): 40 config.environment['PATH'] = os.path.pathsep.join(( 41 config.shlibdir, config.environment['PATH'])) 42 43 ### 44 45 # Check that the object root is known. 46 if config.test_exec_root is None: 47 # Otherwise, we haven't loaded the site specific configuration (the user is 48 # probably trying to run on a test file directly, and either the site 49 # configuration hasn't been created by the build system, or we are in an 50 # out-of-tree build situation). 51 52 # Check for 'llvm_unit_site_config' user parameter, and use that if available. 53 site_cfg = lit_config.params.get('llvm_unit_site_config', None) 54 if site_cfg and os.path.exists(site_cfg): 55 lit_config.load_config(config, site_cfg) 56 raise SystemExit 57 58 # Try to detect the situation where we are using an out-of-tree build by 59 # looking for 'llvm-config'. 60 # 61 # FIXME: I debated (i.e., wrote and threw away) adding logic to 62 # automagically generate the lit.site.cfg if we are in some kind of fresh 63 # build situation. This means knowing how to invoke the build system 64 # though, and I decided it was too much magic. 65 66 llvm_config = lit.util.which('llvm-config', config.environment['PATH']) 67 if not llvm_config: 68 lit_config.fatal('No site specific configuration available!') 69 70 # Get the source and object roots. 71 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip() 72 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip() 73 74 # Validate that we got a tree which points to here. 75 this_src_root = os.path.join(os.path.dirname(__file__),'..','..') 76 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root): 77 lit_config.fatal('No site specific configuration available!') 78 79 # Check that the site specific configuration exists. 80 site_cfg = os.path.join(llvm_obj_root, 'test', 'Unit', 'lit.site.cfg') 81 if not os.path.exists(site_cfg): 82 lit_config.fatal('No site specific configuration available!') 83 84 # Okay, that worked. Notify the user of the automagic, and reconfigure. 85 lit_config.note('using out-of-tree build at %r' % llvm_obj_root) 86 lit_config.load_config(config, site_cfg) 87 raise SystemExit 88
