depends  flex   &&
depends  bison  &&

optional_depends  X11-LIBS         \
                  "--with-x"       \
                  ""               \
                  "X gui support"  &&

optional_depends  ncurses             \
                  "--with-curses"     \
                  "--without-curses"  \
                  "curses gui?"       &&

optional_depends  cups                \
                  ""                  \
                  ""                  \
                  "printing support"  &&

optional_depends  freetype2         \
                  ""                \
                  ""                \
                  "font rendering"  &&

optional_depends  winedoc                   \
                  ""                        \
                  ""                        \
                  "for wine documentation"  &&

optional_depends  docbook-utils     \
                  ""                \
                  ""                \
                  "for building wine documentation"
