depends cmake        &&
depends -sub CXX gcc &&
depends tinyxml "-DUSE_EXTERNAL_TINYXML=on" &&
depends lcms2   "-DUSE_EXTERNAL_LCMS=on"    &&
optional_depends python \
                 "" \
                 "" \
                 "for python bindings" &&
optional_depends openimageio \
                 "" \
                 "" \
                 "for OpenImageIO support"