(MPI or thread_mpi) */
#cmakedefine GMX_MPI
-/* Use threads for parallelization */
+/* Use threads_mpi for parallelization */
#cmakedefine GMX_THREAD_MPI
+/* Use OpenMP multithreading */
+#cmakedefine GMX_OPENMP
+
/* Use old threading (domain decomp force calc) code */
#cmakedefine GMX_THREAD_SHM_FDECOMP