optional_depends %OSSL   "" "--without-openssl" "for SSL support"
optional_depends libpcap "" "--disable-pcap"    "for PCAP helpers"

optional_depends perl   "" "" "for executing the perl scripts"
optional_depends ruby   "" "" "for executing the ruby scripts"
optional_depends NVIDIA "" "" "for NVIDIA OpenCL support"

optional_depends ocl-icd \
                 "" "--disable-opencl" \
                 "for OpenCL support ${PROBLEM_COLOR}Say NO for now ${DEFAULT_COLOR}" n

optional_depends openmpi \
                 "--enable-mpi" "--disable-mpi" \
                 "for OpenMPI support ${PROBLEM_COLOR} Say NO for now ${DEFAULT_COLOR}" n

optional_depends CUDA-OpenCL-headers \
                 "" "--disable-cuda" \
                 "for CUDA support"
