109 lines
4.2 KiB
Python
109 lines
4.2 KiB
Python
# -*- Python -*-
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# Configuration file for the 'lit' test runner.
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import os
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import platform
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import lit.formats
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import lit.util
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# name: The name of this test suite.
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config.name = 'Clang-Unit'
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# suffixes: A list of file extensions to treat as test files.
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config.suffixes = []
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# test_source_root: The root path where tests are located.
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# test_exec_root: The root path where tests should be run.
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clang_obj_root = getattr(config, 'clang_obj_root', None)
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if clang_obj_root is not None:
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config.test_exec_root = os.path.join(clang_obj_root, 'unittests')
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config.test_source_root = config.test_exec_root
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# testFormat: The test format to use to interpret tests.
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llvm_build_mode = getattr(config, 'llvm_build_mode', "Debug")
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config.test_format = lit.formats.GoogleTest(llvm_build_mode, 'Tests')
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# Propagate the temp directory. Windows requires this because it uses \Windows\
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# if none of these are present.
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if 'TMP' in os.environ:
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config.environment['TMP'] = os.environ['TMP']
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if 'TEMP' in os.environ:
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config.environment['TEMP'] = os.environ['TEMP']
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# Propagate path to symbolizer for ASan/MSan.
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for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']:
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if symbolizer in os.environ:
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config.environment[symbolizer] = os.environ[symbolizer]
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###
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# Check that the object root is known.
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if config.test_exec_root is None:
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# Otherwise, we haven't loaded the site specific configuration (the user is
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# probably trying to run on a test file directly, and either the site
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# configuration hasn't been created by the build system, or we are in an
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# out-of-tree build situation).
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# Check for 'clang_unit_site_config' user parameter, and use that if available.
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site_cfg = lit_config.params.get('clang_unit_site_config', None)
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if site_cfg and os.path.exists(site_cfg):
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lit_config.load_config(config, site_cfg)
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raise SystemExit
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# Try to detect the situation where we are using an out-of-tree build by
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# looking for 'llvm-config'.
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#
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# FIXME: I debated (i.e., wrote and threw away) adding logic to
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# automagically generate the lit.site.cfg if we are in some kind of fresh
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# build situation. This means knowing how to invoke the build system
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# though, and I decided it was too much magic.
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llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
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if not llvm_config:
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lit_config.fatal('No site specific configuration available!')
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# Get the source and object roots.
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llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
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llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
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clang_src_root = os.path.join(llvm_src_root, "tools", "clang")
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clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang")
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# Validate that we got a tree which points to here, using the standard
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# tools/clang layout.
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this_src_root = os.path.join(os.path.dirname(__file__),'..','..')
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if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root):
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lit_config.fatal('No site specific configuration available!')
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# Check that the site specific configuration exists.
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site_cfg = os.path.join(clang_obj_root, 'test', 'Unit', 'lit.site.cfg')
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if not os.path.exists(site_cfg):
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lit_config.fatal('No site specific configuration available!')
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# Okay, that worked. Notify the user of the automagic, and reconfigure.
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lit_config.note('using out-of-tree build at %r' % clang_obj_root)
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lit_config.load_config(config, site_cfg)
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raise SystemExit
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shlibpath_var = ''
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if platform.system() == 'Linux':
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shlibpath_var = 'LD_LIBRARY_PATH'
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elif platform.system() == 'Darwin':
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shlibpath_var = 'DYLD_LIBRARY_PATH'
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elif platform.system() == 'Windows':
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shlibpath_var = 'PATH'
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# Point the dynamic loader at dynamic libraries in 'lib'.
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llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
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if not llvm_libs_dir:
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lit_config.fatal('No LLVM libs dir set!')
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shlibpath = os.path.pathsep.join((llvm_libs_dir,
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config.environment.get(shlibpath_var,'')))
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# Win32 seeks DLLs along %PATH%.
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if sys.platform in ['win32', 'cygwin'] and os.path.isdir(config.shlibdir):
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shlibpath = os.path.pathsep.join((config.shlibdir, shlibpath))
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config.environment[shlibpath_var] = shlibpath
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