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Date:      Thu, 26 Jan 2006 14:12:49 -0600
From:      Dan Nelson <dnelson@allantgroup.com>
To:        Paul Schmehl <pauls@utdallas.edu>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: cannot find -ldl
Message-ID:  <20060126201248.GE52542@dan.emsphone.com>
In-Reply-To: <0B30516EA3A817015C05C9D2@utd59514.utdallas.edu>
References:  <3EA9A5749CCE92F90AA269F4@utd59514.utdallas.edu> <20060126171851.GC52542@dan.emsphone.com> <0B30516EA3A817015C05C9D2@utd59514.utdallas.edu>

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In the last episode (Jan 26), Paul Schmehl said:
> --On Thursday, January 26, 2006 11:18:54 -0600 Dan Nelson  <dnelson@allantgroup.com> wrote:
> >In the last episode (Jan 26), Paul Schmehl said:
> >>I'm fiddling with an app that was probably written for/on Linux. 
> >>It configures fine, but when I make, I get the error "cannot find
> >>-ldl". Is there a FreeBSD equivalent for libldl?  A workaround?  A
> >>library that I'm missing?
> >
> >It's not needed on FreeBSD.  The dlopen family of functions is in
> >libc. The configure script should probably have something like this
> >in it so it only uses libdl if it can't find dlopen with its current
> >set of libs::
> >
> >AC_SEARCH_LIBS(dlopen, dl)
> 
> Dan, you're referring to configure.in, right?  There's no AC_SEARCH
> in that at all.  Do I just need to add a line?  If so, does it matter
> where I add it?

Ya, configure.{in,ac}.  It doesn't matter much where it goes; at the
bottom is probably safest.  You will also need to remove any hardcoded
"-ldl" strings from Makefile.{in,am}.  Configure will add "-ldl" to
$LIBS if it turns out to be required.

-- 
	Dan Nelson
	dnelson@allantgroup.com



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