Bug#214715: libc6-i686: cannot prelink ooffice because of dependency cycle

[Daniel Jacobowitz <dan@debian.org>]

On Thu, Oct 09, 2003 at 06:22:33PM +0200, Laurent Bonnaud wrote:
> > That ought to tip you off.  This is caused by libsafe and has nothing
> > to do with glibc.  I imagine you would have seen it with an older
> > version of glibc too.
> 
> I tested and yes the problem also occurs with older and non
> processor-optimized versions of libc6.
> 
> > Try un-preloading libsafe.  
> 
> Without libsafe I was indeed able to prelink ooffice.
> 
> Thank you for finding the real problem, and sorry for the bogus bug
> report !
> 
> > Prelinking OpenOffice.org binaries... /usr/sbin/prelink: /lib/i686/libc-2.3.2.so has dependency cycle
> 
> Still this message is misleading: I don't see the so called "cycle"
> introduced by libsafe. Furthermore, is would be useful to be able to
> prelink binaries and still use libsafe. Do you think I should reassign
> this bug as a wishlist to libsafe or prelink ?

>From your original message:

On Wed, Oct 08, 2003 at 10:17:48AM +0200, Laurent.Bonnaud@inpg.fr wrote:
> And indeed there is dependency cycle between those 2 libraries: 
> 
>   /lib/i686/libc-2.3.2.so <-> /lib/i686/libdl.so.2
> 
> $ ldd /lib/i686/libc-2.3.2.so
>         /lib/libsafe.so.2 => /lib/libsafe.so.2 (0x40139000)
>         /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)
>         libdl.so.2 => /lib/i686/libdl.so.2 (0x4015d000)
> 
> $ ldd /lib/i686/libdl.so.2
>         /lib/libsafe.so.2 => /lib/libsafe.so.2 (0x40005000)
>         libc.so.6 => /lib/i686/libc.so.6 (0x40029000)
>         /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)

libsafe presumably uses libdl.  If it didn't you'd get a cycle later:
libsafe would depend on libc and libc on libsafe.  I suppose this would
be a wishlist bug for prelink, but I have no idea how it could be
solved.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer