test/lit.cfg

# -*- Python -*-

def config_new():
    # Configuration file for the 'lit' test runner.

    # name: The name of this test suite.
    config.name = 'Clang'

    # testFormat: The test format to use to interpret tests.
    #
    # For now we require '&&' between commands, until they get globally killed and
    # the test runner updated.
    config.test_format = lit.formats.ShTest(execute_external = True,
                                            require_and_and = True)

    # suffixes: A list of file extensions to treat as test files.
    config.suffixes = ['.c', '.cpp', '.m', '.mm']

    ###

    # Discover the 'clang' and 'clangcc' to use.

    import os

    def inferClang(PATH):
        # Determine which clang to use.
        clang = os.getenv('CLANG')

        # If the user set clang in the environment, definitely use that and don't
        # try to validate.
        if clang:
            return clang

        # Otherwise look in the path.
        clang = lit.util.which('clang', PATH)

        if not clang:
            lit.fatal("couldn't find 'clang' program, try setting "
                      "CLANG in your environment")

        return clang

    def inferClangCC(clang, PATH):
        clangcc = os.getenv('CLANGCC')

        # If the user set clang in the environment, definitely use that and don't
        # try to validate.
        if clangcc:
            return clangcc

        # Otherwise try adding -cc since we expect to be looking in a build
        # directory.
        if clang.endswith('.exe'):
            clangccName = clang[:-4] + '-cc.exe'
        else:
            clangccName = clang + '-cc'
        clangcc = lit.util.which(clangccName, PATH)
        if not clangcc:
            # Otherwise ask clang.
            res = lit.util.capture([clang, '-print-prog-name=clang-cc'])
            res = res.strip()
            if res and os.path.exists(res):
                clangcc = res

        if not clangcc:
            lit.fatal("couldn't find 'clang-cc' program, try setting "
                      "CLANGCC in your environment")

        return clangcc

    clang = inferClang(config.environment['PATH'])
    if not lit.quiet:
        lit.note('using clang: %r' % clang)
    config.substitutions.append( (' clang ', ' ' + clang + ' ') )

    clang_cc = inferClangCC(clang, config.environment['PATH'])
    if not lit.quiet:
        lit.note('using clang-cc: %r' % clang_cc)
    config.substitutions.append( (' clang-cc ', ' ' + clang_cc + ' ') )

if 'config' in globals():
    config_new()
    raise SystemExit # End configuration.

# Configuration file for the 'lit' test runner.

# suffixes: A list of file extensions to treat as test files.
suffixes = ['.c', '.cpp', '.m', '.mm']

# environment: The base environment to use when running test commands.
#
# The 'PATH' and 'SYSTEMROOT' variables will be set automatically from the lit
# command line variables.
environment = {}

# requireAndAnd: Require '&&' between commands, until they get globally killed
# and the test runner updated.
requireAndAnd = True