depends pcre		&&
depends boost     &&
depends gtk+2		&&
optional_depends "flite"        \
                        " "     \
                        " "     \
                        "to enable voice output" &&
optional_depends "kismet"        \
                        "-DWITH_KISMET=ON"     \
                        "-DWITH_KISMET=OFF"     \
                        "to locate 802.11b networks" &&

optional_depends "postgresql"   \
                        "-DWITH_POSTGIS=ON" \
                        "-DWITH_POSTGIS=OFF" \
                        "Build with PostGIS database support" &&

optional_depends "dbus"   \
                        "-DWITH_DBUS=ON" \
                        "-DWITH_DBUS=OFF" \
                        "Build with DBUS support"