lit.common.cfg revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
1# -*- Python -*-
2
3import os
4
5def get_required_attr(config, attr_name):
6  attr_value = getattr(config, attr_name, None)
7  if attr_value == None:
8    lit_config.fatal(
9      "No attribute %r in test configuration! You may need to run "
10      "tests from your build directory or add this attribute "
11      "to lit.site.cfg " % attr_name)
12  return attr_value
13
14# Setup source root.
15config.test_source_root = os.path.dirname(__file__)
16
17# Choose between standalone and UBSan+ASan modes.
18ubsan_lit_test_mode = get_required_attr(config, 'ubsan_lit_test_mode')
19if ubsan_lit_test_mode == "Standalone":
20  config.name = 'UndefinedBehaviorSanitizer-Standalone'
21  clang_ubsan_cflags = []
22elif ubsan_lit_test_mode == "AddressSanitizer":
23  config.name = 'UndefinedBehaviorSanitizer-AddressSanitizer'
24  clang_ubsan_cflags = ["-fsanitize=address"]
25else:
26  lit_config.fatal("Unknown UBSan test mode: %r" % ubsan_lit_test_mode)
27
28def build_invocation(compile_flags):
29  return " " + " ".join([config.clang] + compile_flags) + " "
30
31target_cflags = [get_required_attr(config, "target_cflags")]
32clang_ubsan_cflags += target_cflags
33clang_ubsan_cxxflags = config.cxx_mode_flags + clang_ubsan_cflags
34
35# Define %clang and %clangxx substitutions to use in test RUN lines.
36config.substitutions.append( ("%clang ", build_invocation(clang_ubsan_cflags)) )
37config.substitutions.append( ("%clangxx ", build_invocation(clang_ubsan_cxxflags)) )
38
39# Default test suffixes.
40config.suffixes = ['.c', '.cc', '.cpp']
41
42# UndefinedBehaviorSanitizer tests are currently supported on
43# Linux and Darwin only.
44if config.host_os not in ['Linux', 'Darwin']:
45  config.unsupported = True
46
47config.pipefail = False
48