find_package(nng QUIET)

if(NOT nng)
    message("-- Using nng from external/nng")
    option(NNG_SETSTACKSIZE "Use rlimit for thread stack size" ON)
    set(NNG_TESTS OFF)
    set(NNG_ENABLE_NNGCAT ON)
    add_subdirectory(nng)
endif()

find_package(mesytec-mvlc QUIET)

if (NOT mesytec-mvlc)
    message("-- Using mesytec-mvlc from external/mesytec-mvlc")
    add_subdirectory(mesytec-mvlc)
endif()