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From: "Jan D." <jan.h.d@swipnet.se>
Cc: emacs-devel@gnu.org
Subject: Re: `exec shield' test in configure too strict?
Date: Tue, 5 Oct 2004 22:40:02 +0200	[thread overview]
Message-ID: <BB337EDE-170E-11D9-8D1E-000D93505B76@swipnet.se> (raw)
In-Reply-To: <20041004212031.GB2219@fencepost>


>>> and so emacs refuses to configure -- but if disable this test by 
>>> doing:
>>>
>>>   $ make ac_cv_file__proc_sys_kernel_exec_shield=no
>>>
>>> Then Emacs configures and dumps just fine, despite not using 
>>> `setarch'.
>>
>> Does that machine have a /proc/sys/kernel/exec-shield-randomize file?
>
> Yes:
>
>    $ cat /proc/sys/kernel/exec-shield-randomize
>    1
>
>> It is the random start address of the heap that makes dumping fail.
>>

I have checked in a test that runs a program and sees if the heap start
address is random.  Can you try it on the Debian-with-a-Redhat-kernel
machine (I forgot its name)?

	Jan D.

  parent reply	other threads:[~2004-10-05 20:40 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-04  5:53 `exec shield' test in configure too strict? Miles Bader
2004-10-04 15:04 ` Jan D.
2004-10-04 21:20   ` Miles Bader
2004-10-04 21:37     ` Jan D.
2004-10-05 20:40     ` Jan D. [this message]
2004-10-05 21:44       ` Stefan Monnier
2004-10-05 22:11         ` Jan D.
2004-10-06  0:18           ` Stefan
2004-10-06  1:34             ` Miles Bader
2004-10-06  7:50               ` Jan D.
2004-10-06  7:56                 ` Miles Bader
2004-10-06 11:31                   ` Jan D.
2004-10-06  7:48             ` Jan D.
2004-10-06 12:58               ` Stefan Monnier
2004-10-06 11:16       ` Eli Zaretskii
2004-10-06 11:38         ` Jan D.
2004-10-07 15:44           ` Camm Maguire
2004-10-07 16:44         ` Richard Stallman
2004-10-07 18:16           ` Jan D.
2004-10-09  1:25             ` Richard Stallman
2004-10-11 10:30               ` Jan D.
2004-10-12  8:56                 ` Richard Stallman
2004-10-20 20:33                   ` Jan D.
2004-10-21 13:57                     ` Richard Stallman
2004-10-22 21:02                     ` Camm Maguire
2004-10-25 19:05                       ` Jan D.
2004-10-26 20:24                         ` Camm Maguire
2004-10-27 10:48                         ` Richard Stallman
2004-10-27 12:17                           ` Jan D.
2004-11-06 17:00                     ` other unexec problems Camm Maguire
2004-11-09  7:58                       ` Jan D.
2004-10-05 18:04 ` `exec shield' test in configure too strict? Richard Stallman

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