use ~/coriander/soft/llvm-4.0, if already eixsts
use ~/coriander/soft/llvm-4.0, if already eixsts

hughperkins/coriander,hughperkins/coriander,hughperkins/coriander,hughperkins/cuda-on-cl,hughperkins/cuda-on-cl,hughperkins/coriander,hughperkins/cuda-on-cl,hughperkins/cuda-on-cl