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Mail Archives: cygwin-apps/2001/09/23/14:20:31

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Message-ID: <3BAE27E7.50103@ece.gatech.edu>
Date: Sun, 23 Sep 2001 14:20:23 -0400
From: Charles Wilson <cwilson AT ece DOT gatech DOT edu>
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To: Robert Collins <robert DOT collins AT itdomain DOT com DOT au>
CC: cygwin-apps AT cygwin DOT com
Subject: Re: Autotools; new versions
References: <3BAA33FD DOT 9C1B704C AT ece DOT gatech DOT edu> <20010920143410 DOT B5666 AT redhat DOT com> <3BAA395C DOT 20B04AD8 AT ece DOT gatech DOT edu> <099301c143fd$a77dc930$0200a8c0 AT lifelesswks>

Robert Collins wrote:

> ----- Original Message -----
> From: "Charles Wilson" <cwilson AT ece DOT gatech DOT edu>
>>>Robert suggested that debian has a wrapper that tries to infer which
>>>version of autoconf to run.
>>>Is this something worth considering?
>>Yes.  But I think the requirement for separate install prefixes still
>>remains.  I don't know much about debian, tho, so take that with a
> large
>>chunk of salt.
> if be different prefixes you mean something like
> /usr/share/autoconf2.5 and
> /usr/share/autoconf2.13 then yes something is needed. THey do have
> conflicting files.

Actually, I was talking about different top-level prefixes (since all of 
the autotools must share the same top-level prefix, and they use each 
other's /share/ files, etc).  That's why I thought the easiest thing to 
do was this:

 From autoconf-2.13, automake-1.4p2 (no libtool, 'cause current libtool 
doesn't really generate DLL's without significant changes...)

 From autoconf-2.52, automake-1.5, libtool-robert-collins (until that 
stuff gets pushed into CVS/official)

Now, your suggestion of a wrapper script sounds good -- I would 
implement it thus:

/usr/bin/autoconf (check for AC_REQUIRES, run autoconf-2.13 or set 
$PATH=/usr/autotools/bin:${PATH} + run autoconf)
/usr/bin/aclocal,automake (ditto)

Alternatively, install both "old" and "new" autotools into separate 
trees, and put only the wrapper scripts into /usr/bin.  (Actually, this 
is better, IMO).  I like changing the PATH because then even 
subprocesses will get the "right" version.  Debian's mucking around with 
symlinks has the same effect (for subprocesses) -- but it seems silly to 
me.  And is also not safe for multi-user systems.  (It's obvious that 
they are forced into doing that by an overzealous desire to abide by the 
Linux Filesystem Standard (or whatever it's called)).


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