depends atk         &&
depends cairo       &&
depends fontconfig  &&
depends freetype2   &&
depends gdk-pixbuf2 &&
depends glib2       &&
depends gtk+2       &&
depends JPEG        &&
depends pango       &&
depends tiff        &&

optional_depends exiv2 \
                 "--enable-exiv2" \
                 "--disable-exiv2" \
                 "exiv2 support" &&
optional_depends lcms \
                 "--enable-lcms" \
                 "--disable-lcms" \
                 "lcms support" &&
optional_depends libchamplain \
                 "" \
                 "" \
                 "support for displaying maps"
