utilities for building Greenplum
export GPORCA_CODE=~/gporca
export GPOS=~/gpos
docker build -t gpbuild build
docker run -v $GPORCA_CODE:/var/src/gporca -v $GPOS_CODE:/var/src/gpos -it gpbuild
https://github.com/greenplum-db/gpos
https://github.com/greenplum-db/gporca