Gflags sometimes comes without an imported_location_<build_type>
Gflags sometimes comes without an imported_location_<build_type>


Former-commit-id: c1ce398e14025ef7de814acc04185609f7cf2d69
DavidAce/DMRG,DavidAce/DMRG,DavidAce/DMRG,DavidAce/DMRG