PATH=/nfs/research/mciverj/llvm2/build/release2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin LD_LIBRARY_PATH=/nfs/research/mciverj/llvm2/build/release2/lib CC=clang -O2 CXX=clang++ -O2