Re: Rethinking the design of xwidgets

[Richard Stallman]

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  > OpenGL features are queried at runtime, but I am not sure
  > if this feature would be *legal* in Emacs; I mean loading a function
  > pointer at runtime from a so/dll is essentially ffi, which I
  > understand is not allowed in Emacs for legal purposes.

If the function you are linking to is implemented by a
GPL-3-compatible library, Emacs can link to it in any way
that is convenient.  What is the source license of OpenGL 2.1?
I expect that it is GPL-3-compatible, but it can't hurt to verify that.

-- 
Dr Richard Stallman
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)