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Re: When should ralloc.c be used?

From: Paul Eggert
Subject: Re: When should ralloc.c be used?
Date: Mon, 24 Oct 2016 23:23:45 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0

   . Build with gmalloc but without ralloc.

This goes back to what we were doing, no?

No, we were using the glibc malloc, AFAIK.  Or am I missing something?

No you're right, I was sloppy.

How about the attached patch for emacs-25? Basically, it says "use
ralloc.c only if requested via './configure REL_ALLOC=yes'".

LGTM.  Should we wait for people to build with REL_ALLOC=no manually,
to see if there are any problems, or should we push this right away?

I doubt whether many more people will build with REL_ALLOC=no. So I think we should push it into emacs-25. Proposed patch attached. I have tested this on Fedora 24 x86-64 and Ubuntu 16.04 x86-64 with './configure emacs_cv_var_doug_lea_malloc=no' to simulate bleeding-edge glibc.

Attachment: 0001-Default-REL_ALLOC-to-no.patch
Description: Text Data

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