    CXXFLAGS=["-std=c++1z"] + cxxflags,
    LIBPATH=libpath + [
      "#cereal",
      "#selfdrive/boardd",
      "#selfdrive/common",
    ],
    CYTHONCFILESUFFIX=".cpp",
    tools=["default", "cython"]
  )
 
</s> remove     "#phonelibs",
 </s> add  </s> remove # Rebuild cython extensions if python, distutils, or cython change
cython_dependencies = [Value(v) for v in (sys.version, distutils.__version__, Cython.__version__)]
Export('cython_dependencies')

 </s> add  </s> remove import Cython
import distutils
 </s> add 
    "#phonelibs",
    "#opendbc/can",
    CXXFLAGS=["-std=c++1z"] + cxxflags,
    LIBPATH=libpath + [
      "#cereal",
    "#phonelibs",
    "#opendbc/can",
      "#selfdrive/boardd",
      "#selfdrive/common",
    ],
    CYTHONCFILESUFFIX=".cpp",
    tools=["default", "cython"]
  )
keep keep add keep keep keep keep keep keep
 bump opendbc + scons cleanup 
SConstruct