depends  sane-backends &&
depends  gtk+2         &&

optional_depends gimp                           \
                 "--enable-gimp --enable-gimp2" \
                 "--disable-gimp"               \
                 "Enable GIMP plugin"           &&

optional_depends jpeg                           \
                 "--enable-jpeg"                \
                 "--disable-jpeg"               \
                 "Enable JPEG support"          &&

optional_depends libpng                         \
                 "--enable-png"                 \
                 "--disable-png"                \
                 "Enable PNG support"           &&

optional_depends tiff                           \
                 "--enable-tiff"                \
                 "--disable-tiff"               \
                 "Enable TIFF support"          
