OpenGL is an optional dependency. See: <https://packages.gentoo.org/packages/x11...

		simoncion 3 days ago \| parent \| context \| favorite \| on: FLTK 1.4 Released OpenGL is an optional dependency. See: <https://packages.gentoo.org/packages/x11-libs/fltk> and <https://github.com/fltk/fltk/blob/6df2219aa0e56d9632824c94a3...>