+ if(UNRES_WITH_MPI)
+ add_subdirectory(source/unres/src_MD-M)
+ add_subdirectory(source/unres/src_CSA)
+ add_subdirectory(source/wham/src)
+ add_subdirectory(source/wham/src-M)
+ add_subdirectory(source/cluster/wham/src)
+ add_subdirectory(source/cluster/wham/src-M)
+ endif(UNRES_WITH_MPI)