3 # Configuration file for the 'lit' test runner.
7 # name: The name of this test suite.
8 config.name = 'LLVM-Unit'
10 # suffixes: A list of file extensions to treat as test files.
13 # test_source_root: The root path where tests are located.
14 # test_exec_root: The root path where tests should be run.
15 llvm_obj_root = getattr(config, 'llvm_obj_root', None)
16 if llvm_obj_root is not None:
17 config.test_exec_root = os.path.join(llvm_obj_root, 'unittests')
18 config.test_source_root = config.test_exec_root
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')
26 # If necessary, point the dynamic loader at libLLVM.so.
27 if config.enable_shared:
28 libdir = os.path.join(config.llvm_obj_root, config.llvm_build_mode, 'lib')
29 shlibpath = config.environment.get(config.shlibpath_var,'')
31 shlibpath = ':' + shlibpath
32 shlibpath = libdir + shlibpath
33 config.environment[config.shlibpath_var] = shlibpath
35 # Check that the object root is known.
36 if config.test_exec_root is None:
37 # Otherwise, we haven't loaded the site specific configuration (the user is
38 # probably trying to run on a test file directly, and either the site
39 # configuration hasn't been created by the build system, or we are in an
40 # out-of-tree build situation).
42 # Check for 'llvm_unit_site_config' user parameter, and use that if available.
43 site_cfg = lit.params.get('llvm_unit_site_config', None)
44 if site_cfg and os.path.exists(site_cfg):
45 lit.load_config(config, site_cfg)
48 # Try to detect the situation where we are using an out-of-tree build by
49 # looking for 'llvm-config'.
51 # FIXME: I debated (i.e., wrote and threw away) adding logic to
52 # automagically generate the lit.site.cfg if we are in some kind of fresh
53 # build situation. This means knowing how to invoke the build system
54 # though, and I decided it was too much magic.
56 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
58 lit.fatal('No site specific configuration available!')
60 # Get the source and object roots.
61 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
62 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
64 # Validate that we got a tree which points to here.
65 this_src_root = os.path.join(os.path.dirname(__file__),'..','..')
66 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
67 lit.fatal('No site specific configuration available!')
69 # Check that the site specific configuration exists.
70 site_cfg = os.path.join(llvm_obj_root, 'test', 'Unit', 'lit.site.cfg')
71 if not os.path.exists(site_cfg):
72 lit.fatal('No site specific configuration available!')
74 # Okay, that worked. Notify the user of the automagic, and reconfigure.
75 lit.note('using out-of-tree build at %r' % llvm_obj_root)
76 lit.load_config(config, site_cfg)