(libevent_core) = 2.1.12-stable-ompi Invalid version (double separator '-'): 2.1.12-stable-ompi: pkgconfig(libevent_extra) = 2.1.12-stable-ompi Invalid version (double separator '-'): 2.1.12-stable-ompi: pkgconfig(libevent_pthreads) = 2.1.12-stable-ompi *** FAILURE BUILDING SINGLE...