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To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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Subject: Re: Make Release Question 
In-reply-to: Your message of "Sun, 01 Jun 1997 09:45:43 +0200."
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Date: Sun, 01 Jun 1997 11:05:45 +0100
From: Brian Somers <brian@awfulhak.org>
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> As Simon Shapiro wrote:
> 
> > Make release produces:
> > 
> > cc -static -o boot_crunch boot_crunch.o sh.lo find.lo pwd.lo ft.lo ppp.lo
> > sysinstall.lo newfs.lo gzip.lo cpio.lo bad144.lo fsck.lo ifconfig.lo
> > route.lo slattach.lo mount_nfs.lo -ll -ledit -lutil -lkvm -lmd -lcrypt
> > -lftpio -lalias -ldialog -lncurses -lmytinfo -L/usr/src/release/libdisk/obj
> > -ldisk -lipx
> > ppp.lo: Undefined symbol `_dlopen' referenced from text segment
> > ppp.lo: Undefined symbol `_dlerror' referenced from text segment
> 
> Hmm, i've created a -current SNAP yesterday.  I think the problem is
> with ppp trying to dlopen() the NAT alias library.  Only dynamically
> linked binaries can call dlopen().
> 
> I wonder why it works in -current...  I thought the discussed solution
> was to conditionalize the NAT inclusion with a compile-time -D option,
> and do not include it into the binary for the installation floppy.

The result was that libalias should be built with libc.so:

John Polstra wrote:
> The right way to handle this is to add "-lc" to the linker line when
> building libalias.so.m.n.  E.g.:
> 
>     cc -shared -o libalias.so.1.1 ... -lc
> 
> Then when you dlopen() libalias, it will pull in libc if that has
> not already been done.
> 
> We probably should be building all of our shared libraries with
> their dependencies specified explicitly in this way.

I havn't done anything about this (yet).  Should I ?

> -- 
> cheers, J"org
> 
> joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
> Never trust an operating system you don't have sources for. ;-)

-- 
Brian <brian@awfulhak.org>, <brian@freebsd.org>
      <http://www.awfulhak.org>
Don't _EVER_ lose your sense of humour....