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bug#23760: 25.0.95; emacs 25.0.95 doesn't build with glibc-2.23.90


From: Florian Weimer
Subject: bug#23760: 25.0.95; emacs 25.0.95 doesn't build with glibc-2.23.90
Date: Tue, 14 Jun 2016 08:17:22 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0

On 06/14/2016 08:09 AM, Jan Synacek wrote:
On Mon, Jun 13, 2016 at 5:58 PM, Glenn Morris <address@hidden> wrote:
Jan Synáček wrote:

Emacs doesn't build with the latest glibc (glibc-2.23-90):

  CC       gmalloc.o
../../src/gmalloc.c:273:15: error: attempt to use poisoned 
"__malloc_initialize_hook"

I guess this might be fixed already?

https://sourceware.org/ml/libc-alpha/2016-06/msg00500.html
"Revert symbol poisoning of  __malloc_initialize_hook."

It was my understanding that this needed to be fixed in both glibc and Emacs.

Correct, Emacs should not use symbols in the implementation namespace.

Names such as __malloc_initialize_hook (with two leading underscores) could be reserved by other implementations as well, not just glibc.

Thanks,
Florian





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