>> g++ -DNDEBUG -g2 -O3 -Wall -fPIC -march=native -pipe -c rw.cpp >> rw.cpp:130:0: warning: ignoring #pragma omp parallel [-Wunknown-pragmas] >> #pragma omp parallel sections if(CRYPTOPP_RW_USE_OMP) >> ^ > > Pretty ugly, but if you want the OpenMP directives to be dependent on > whether OpenMP support is actually enabled you could do: > > #if _OPENMP > #pragma omp section > #endif > Yeah, we kind of looked at that and rejected it some time ago. What do you think about some #defines to make them disappear? Can a define be crafted that captures multiple lexemes or tokens? Jeff
