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Date:      Thu, 14 Aug 2008 01:13:09 -0700
From:      Jeremy Chadwick <koitsu@FreeBSD.org>
To:        Morgan =?iso-8859-1?Q?Wesstr=F6m?= <freebsd-stable@pp.dyndns.biz>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Removing /usr/lib32 on AMD64
Message-ID:  <20080814081309.GA8249@eos.sc1.parodius.com>
In-Reply-To: <48A3E29D.3090504@pp.dyndns.biz>
References:  <48A3E29D.3090504@pp.dyndns.biz>

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On Thu, Aug 14, 2008 at 09:45:33AM +0200, Morgan Wesström wrote:
> Hi.
>
> Looking through man src.conf I found the knob WITHOUT_LIB32 and  
> recompiled my world with it since I have no use for 32-bit compatibility  
> on my AMD64. After installworld I realized that /usr/lib32 was still  
> there and still populated. Searching for information I found this 
> bugreport:
>
> http://www.freebsd.org/cgi/query-pr.cgi?pr=117191&cat=
>
> Judging from that report and the fact that the dates on the files in  
> /usr/lib32 wasn't updated I figured it was ok to simply remove them. I  
> just want to make sure there's nothing else I have to do to cleanly  
> remove 32-bit compatibility? I can see during boot that there is still  
> some reference to 32-bit compatibility. The following message flashes by  
> on the screen:
>
> ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/local/lib  
> /usr/local/lib/mysql
> 32-bit compatibility ldconfig path:
>
> I can track the last row to /etc/rc.d/ldconfig but can't figure out if  
> that script can take any options in /etc/rc.conf to stop looking for  
> 32-bit libraries. There are no error messages what I can see so  
> everything is probably ok, just want to make absolutely sure. Anyone who  
> can share some insight on this?

What you've documented above is the Correct Way(tm) to remove lib32
support.  Though I advocate people not install it in the first place,
unless they absolutely need it.

The message from /etc/rc.d/ldconfig you see there about 32-bit
compatibility ldconfig path is fine -- it shows an empty path, which is
correct.  Nothing to worry about there.

My systems, which have never had lib32 ever, show the same:

ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/local/lib /usr/local/lib/mysql
32-bit compatibility ldconfig path:

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |




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