| 12345678910111213141516171819202122232425 | # Test cxx descriptor functionalityImport('env')base_env = env.Clone()base_env.Replace(NANOPBFLAGS = '--cpp-descriptor')base_env.NanopbProto('message')for std in ["c++03", "c++11", "c++14", "c++17", "c++20"]:    e = base_env.Clone()    e.Append(CXXFLAGS = '-std={}'.format(std))    # Make sure compiler supports this version of C++ before we actually run the    # test.    conf = Configure(e)    compiler_valid = conf.CheckCXX()    e = conf.Finish()    if not compiler_valid:        print("Skipping {} test - compiler doesn't support it".format(std))        continue    o1 = e.Object('message_descriptor_{}'.format(std), 'message_descriptor.cc')    o2 = e.Object('message.pb_{}'.format(std), 'message.pb.c')    p = e.Program([o1, o2])    e.RunTest(p)
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