зеркало из https://github.com/microsoft/clang.git
127 строки
4.6 KiB
Python
127 строки
4.6 KiB
Python
# -*- Python -*-
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import os
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import platform
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# Configuration file for the 'lit' test runner.
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# name: The name of this test suite.
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config.name = 'Clang'
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# testFormat: The test format to use to interpret tests.
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#
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# For now we require '&&' between commands, until they get globally killed and
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# the test runner updated.
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execute_external = platform.system() != 'Windows'
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config.test_format = lit.formats.ShTest(execute_external)
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# suffixes: A list of file extensions to treat as test files.
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config.suffixes = ['.c', '.cpp', '.m', '.mm']
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# test_source_root: The root path where tests are located.
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config.test_source_root = os.path.dirname(__file__)
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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, 'test')
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# Set llvm_{src,obj}_root for use by others.
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config.llvm_src_root = getattr(config, 'llvm_src_root', None)
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config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)
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# Tweak the PATH to include the tools dir and the scripts dir.
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if clang_obj_root is not None:
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llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
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if not llvm_tools_dir:
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lit.fatal('No LLVM tools dir set!')
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path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
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config.environment['PATH'] = path
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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.fatal('No LLVM libs dir set!')
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path = os.path.pathsep.join((llvm_libs_dir,
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config.environment.get('LD_LIBRARY_PATH','')))
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config.environment['LD_LIBRARY_PATH'] = path
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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_site_config' user parameter, and use that if available.
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site_cfg = lit.params.get('clang_site_config', None)
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if site_cfg and os.path.exists(site_cfg):
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lit.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 though,
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# and I decided it was too much magic. We should solve this by just having
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# the .cfg files generated during the configuration step.
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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.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.dirname(config.test_source_root)
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if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root):
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lit.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', 'lit.site.cfg')
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if not os.path.exists(site_cfg):
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lit.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.note('using out-of-tree build at %r' % clang_obj_root)
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lit.load_config(config, site_cfg)
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raise SystemExit
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###
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# Discover the 'clang' and 'clangcc' to use.
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import os
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def inferClang(PATH):
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# Determine which clang to use.
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clang = os.getenv('CLANG')
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# If the user set clang in the environment, definitely use that and don't
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# try to validate.
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if clang:
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return clang
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# Otherwise look in the path.
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clang = lit.util.which('clang', PATH)
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if not clang:
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lit.fatal("couldn't find 'clang' program, try setting "
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"CLANG in your environment")
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return clang
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config.clang = inferClang(config.environment['PATH'])
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if not lit.quiet:
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lit.note('using clang: %r' % config.clang)
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config.substitutions.append( (' clang ', ' ' + config.clang + ' ') )
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config.substitutions.append( (' clang-cc ', ' ' + config.clang + ' -cc1 ') )
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