def _cppstd_intel_common(intel_version, cppstd, vgnu98, vgnu0x):
    # https://software.intel.com/en-us/cpp-compiler-developer-guide-and-reference-std-qstd
    # https://software.intel.com/en-us/articles/intel-cpp-compiler-release-notes
    # NOTE: there are only gnu++98 and gnu++0x, and only for Linux/macOS
    v98 = v11 = v14 = v17 = v20 = None