(Done by Guoxi) improve build.sh
(Done by Guoxi) improve build.sh

rDSN-Projects/rDSN.Python,mcfatealan/rDSN.Python,rDSN-Projects/rDSN.Python,mcfatealan/rDSN.Python,rDSN-Projects/rDSN.Python,mcfatealan/rDSN.Python,rDSN-Projects/rDSN.Python,mcfatealan/rDSN.Python,mcfatealan/rDSN.Python,rDSN-Projects/rDSN.Python