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The Emacs dumper dispute

The Emacs dumper dispute

Posted Dec 3, 2016 0:35 UTC (Sat) by giraffedata (guest, #1954)
In reply to: The Emacs dumper dispute by nix
Parent article: The Emacs dumper dispute

I don't know what any of that has to do with the question, which was a very good one.

But I combed the article again, and see the answer:

The problem being solved by the portable dumper work is not that old Emacs won't run on new Glibc. The article starts off describing that problem, but only as an example of the effect of the larger problem:

So something clearly needs to be done to make the Emacs dumping facility more stable and, preferably, more maintainable going forward.

The article doesn't mention any solution for the Emacs 25.1-on-glibc-2.24 problem; maybe there isn't one.

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The Emacs dumper dispute

Posted Dec 8, 2016 17:53 UTC (Thu) by nix (subscriber, #2304) [Link]

Er, the entire comment directly relates to what happens when a newly-compiled Emacs starts on a new glibc (it uses its own malloc()) and/or what an Emac compiled against an older glibc does (Emacs binds to the malloc_set_state() compat symbol, the implementation of which detects the old glibc's heap format etc etc).


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