openmp runs single threaded on my mac

Question

I am trying to parallelize a program using openmp on a Mac, but I can not manage to make it multi-threaded. I\'ve tried building llvm/clang/openmp 3.7.1 from source (after a

Answer 1

clang < 3.8.0 requires -fopenmp=libomp to generate OpenMP code. clang >= 3.8.0 also supports -fopenmp (-fopenmp=libomp can be used also).