GNU bug report logs - #23529
Request for fixing randomize_va_space build issues

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Message #179 received at 23529 <at> debbugs.gnu.org (full text, mbox):

From: Philipp Stephani <p.stephani2 <at> gmail.com>
To: Clément Pit--Claudel <clement.pit <at> gmail.com>, 
 23529 <at> debbugs.gnu.org
Subject: Re: bug#23529: Request for fixing randomize_va_space build issues
Date: Mon, 12 Sep 2016 06:09:10 +0000

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Clément Pit--Claudel <clement.pit <at> gmail.com> schrieb am Mo., 12. Sep. 2016
um 04:59 Uhr:

> On 2016-09-11 22:30, Eli Zaretskii wrote:
> >> From: Philippe Vaucher <philippe.vaucher <at> gmail.com>
> >> Date: Sun, 11 Sep 2016 21:32:51 +0200
> >> Cc: Paul Eggert <eggert <at> cs.ucla.edu>, Philipp Stephani <
> p.stephani2 <at> gmail.com>, 23529 <at> debbugs.gnu.org
> >>
> >>>>     What about disabling randomization for the temacs run?
> >>>>
> >>>> That is yet another low-level thing to configure, and to get right in
> new ports.
> >>>
> >>> We already have that in Emacs, don't we?
> >>
> >> That is exactly why I made the bug report 23529!
> >>
> >> Because Emacs does stuffs at build time that requires "high"
> >> privileges (like the personality() syscall), one cannot build Emacs in
> >> various restricted environments.
> >>
> >> Disabling randomization is exactly what we should get rid of, at least
> >> at build time.
> >
> > Isn't it the other way around: the first priority is to enable
> > randomization and all the other modern techniques for running the
> > dumped Emacs?
>
> I think we want to be able to build the full Emacs in a container; that is
> without needing, at any point in the process, to disable randomization.  If
> I understand correctly, this means that even the process of dumping Emacs
> cannot involve disabling randomization.
>

Yes, that's correct. No step in the build process should have to disable
randomization.

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