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Date: Wed, 5 Nov 2014 15:30:29 +0200
From: Konstantin Belousov <kostikbel@gmail.com>
To: Baptiste Daroussin <bapt@FreeBSD.org>
Subject: Re: Overlinking in base
Message-ID: <20141105133029.GH53947@kib.kiev.ua>
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On Wed, Nov 05, 2014 at 01:59:57PM +0100, Baptiste Daroussin wrote:
> On Wed, Nov 05, 2014 at 02:54:31PM +0200, Konstantin Belousov wrote:
> > Could you, please, share the script to see how the overlinking is
> > checked ?
> 
> Here you are:
> https://people.freebsd.org/~bapt/check-links.sh
> 
> Beware it is dirty :)
> 
> Run it as check-links.sh nameofthebinary

Ok.  It is mostly fine, but you do not account for symbol versions of
the looked up symbols.  There were weird changes, e.g. isnanf story,
which essentially migrated from libc to libm.  I suspect such cases
are not very important.