GNU bug report logs - #23371
emacs: paxctl usage on NetBSD

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Thomas Klausner <wiz <at> NetBSD.org>
Subject: bug#23371: closed (Re: emacs: paxctl usage on NetBSD)
Date: Wed, 27 Apr 2016 23:09:02 +0000

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Your bug report

#23371: emacs: paxctl usage on NetBSD

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 23371 <at> debbugs.gnu.org.

-- 
23371: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23371
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Thomas Klausner <wiz <at> NetBSD.org>
Cc: 23371-done <at> debbugs.gnu.org
Subject: Re: emacs: paxctl usage on NetBSD
Date: Wed, 27 Apr 2016 16:08:42 -0700

On 04/27/2016 03:50 PM, Thomas Klausner wrote:
> Yes, that's it. I've defined PAXCTL_notdumped to the same value as
> PAXCTL_dumped and emacs builds fine now -- basically, one additional
> line to configure.ac in the netbsd case.

Thanks, I installed a patch along those lines into the emacs-25 branch.

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From: Thomas Klausner <wiz <at> NetBSD.org>
To: submit <at> debbugs.gnu.org
Subject: emacs: paxctl usage on NetBSD
Date: Mon, 25 Apr 2016 14:09:44 +0200

Package: emacs
Version: 25.1.50

emacs is using paxctl during the build, in two ways:
"paxctl -zex file" and "paxctl -r file"

However, the NetBSD version of paxctl has a different usage, e.g.
"paxctl +a file" would turn off ASLR. For more details, see
http://netbsd.gw.com/cgi-bin/man-cgi?paxctl++NetBSD-current

When I replace 'paxctl -zex' with 'paxctl +a' in src/Makefile.in, the
build succeeds.
 Thomas

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