include (SimGearComponent) set(HEADERS celestialBody.hxx ephemeris.hxx jupiter.hxx mars.hxx mercury.hxx moonpos.hxx neptune.hxx pluto.hxx saturn.hxx star.hxx stardata.hxx uranus.hxx venus.hxx ) set(SOURCES celestialBody.cxx ephemeris.cxx jupiter.cxx mars.cxx mercury.cxx moonpos.cxx neptune.cxx saturn.cxx star.cxx stardata.cxx uranus.cxx venus.cxx ) simgear_component(ephem ephemeris "${SOURCES}" "${HEADERS}")