bug#23753: 25.0.95; configuration of X client fails to include graphics libraries on Mac OS X 10.6.8

[Richard Stallman]

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  > I would think removing this feature from the Emacs sources so that
  > they compile with standard gcc would be a high priority for Emacs.
  > It's surpising this has not come up before.

Yes, we must insist on removing them.
Are there any in the Emacs 26 pretest?

The feature seems to be an extended variant of GCC's nested function
definitions.  It is a variant because these are nameless and have a
different syntax.  The extension appears to be that they can copy
the context for use outside the scope where they were defined.

We should look at whether to add them to GCC,
but that is a long-term question.

-- 
Dr Richard Stallman
President, Free Software Foundation (https://gnu.org, https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)
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