depends libpng
depends %GLX
depends gtkglext

optional_depends "freeglut"   "--with-glut"     "--without-glut"   "Use Glut for the UI"
optional_depends "lua"        "--with-lua"      "--without-lua"    "Use Lua for Celestia Extension Language support"
optional_depends "libgnomeui" "--with-gnome"    "--with-gtk"       "for Gnome support (N for GTK+-2 only version)"
optional_depends "cairo"      "--enable-cairo"  "--disable-cairo"  "use cairo for GTK splash screen"
optional_depends "libtheora"  "--enable-theora" "--disable-theora" "create Ogg/Theora video"
