depends SSL "--with-openssl=${INSTALL_ROOT}/usr" && optional_depends gmp '--with-gmp' '--without-gmp' \ 'support the GMP math lib? (used in DAA)' && optional_depends GTK2 '--with-gui=gtk' '--with-gui=none' \ 'build the GUI popup?' && optional_depends libselinux '' '' 'install selinux files?'