depends -sub CXX gcc &&
depends bison &&

optional_depends POSTSCRIPT-INTERPRETER \
                 "" "" \
                 "for creation of either pdf or html output" &&

optional_depends netpbm "" "" "required for html output" &&

optional_depends psutils "" "" "required for html output"

optional_depends libx11 \
                 "--with-x" \
                 "--without-x" \
                 "for X11 support in groff" &&
if is_depends_enabled $SPELL libx11; then
  depends libxaw &&
  depends libxmu &&
  depends libxt
fi
