GNU bug report logs - #12123
relocatable installation

Previous Next

Full log

Message #29 received at 12123 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 12123 <at> debbugs.gnu.org, yandros <at> MIT.EDU, eggert <at> cs.ucla.edu
Subject: Re: bug#12123:
Date: Sun, 07 Apr 2013 22:06:32 +0300

> From: Glenn Morris <rgm <at> gnu.org>
> Cc: Paul Eggert <eggert <at> cs.ucla.edu>,  12123 <at> debbugs.gnu.org,  yandros <at> MIT.EDU
> Date: Sun, 07 Apr 2013 14:32:51 -0400
> 
> I must be missing something, because AFAICS, invocation-directory has
> already solved this problem. What cases are not already handled that are
> relevant and need extra code adding from progreloc.c?

Code in emacs.c that sets invocation-directory relies on argv[0] to
either be an absolute file name, or relative to cwd, or a base name
without leading directories that can be found on PATH.  But on Posix
platforms, argv[0] can be anything, while on Windows argv[0] might be
neither absolute nor on PATH.

progreloc.c solves this in platform-specific ways.  E.g., on
GNU/Linux, it looks at /proc/PID/exe.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.