regent: Support for building Terra with CMake in setup_env.py.
regent: Support for building Terra with CMake in setup_env.py.

StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion