1 config.suffixes = ['.c', '.cpp', '.h', '.m', '.mm', '.S', '.s', '.f90', '.f95'] 2 config.substitutions = list(config.substitutions) 3 config.substitutions.insert(0, 4 ('%clang_cc1', 5 """*** Do not use 'clang -cc1' in Driver tests. ***""") ) 6