depends -sub CXX gcc &&
depends slibtool LIBTOOL=slibtool-shared &&
optional_depends ncurses                                \
                 "--with-ui"                            \
                 "--without-ui"                         \
                 "Enable CURSES user interface?"        &&

optional_depends readline                               \
                 "--with-readline"                      \
                 "--without-readline"                   \
                 "Enable fancy command input editing?"   
