| def getRoot(config): |
| if not config.parent: |
| return config |
| return getRoot(config.parent) |
| |
| root = getRoot(config) |
| |
| if 'libdispatch' in root.available_features: |
| additional_cflags = ' -fblocks ' |
| for index, (template, replacement) in enumerate(config.substitutions): |
| if template in ['%clang_tsan ', '%clangxx_tsan ']: |
| config.substitutions[index] = (template, replacement + additional_cflags) |
| else: |
| config.unsupported = True |
| |
| if config.host_os == 'Darwin': |
| config.environment['TSAN_OPTIONS'] += ':ignore_noninstrumented_modules=1' |
