Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 23 Aug 2006 19:16:19 +0200
From:      Alexander Leidinger <Alexander@Leidinger.net>
To:        Kostik Belousov <kostikbel@gmail.com>
Cc:        Dag-Erling Sm??rgrav <des@des.no>, freebsd-current@freebsd.org, LI Xin <delphij@delphij.net>, Michael Bushkov <bushman@rsu.ru>
Subject:   Re: [HEADS UP]: OpenLDAP+nss_ldap+nss_modules separated patch and more (SoC)
Message-ID:  <20060823191619.0ea9504b@Magellan.Leidinger.net>
In-Reply-To: <20060823154652.GA84619@deviant.kiev.zoral.com.ua>
References:  <44E9582C.2010400@rsu.ru> <44EAA213.6010507@delphij.net> <002901c6c5ba$628b67d0$9800a8c0@carrera> <86hd0423zk.fsf@xps.des.no> <44EB302A.7010106@rsu.ru> <20060823121157.yawh6f8e844w4osc@netchild.homeip.net> <20060823103604.GB64800@deviant.kiev.zoral.com.ua> <20060823172316.dh1k8h6940ogw8o8@netchild.homeip.net> <20060823154652.GA84619@deviant.kiev.zoral.com.ua>

next in thread | previous in thread | raw e-mail | index | archive | help
Quoting Kostik Belousov <kostikbel@gmail.com> (Wed, 23 Aug 2006 18:46:52 +0300):

> On Wed, Aug 23, 2006 at 05:23:16PM +0200, Alexander Leidinger wrote:
> > Quoting Kostik Belousov <kostikbel@gmail.com> (from Wed, 23 Aug 2006  
> > 13:36:04 +0300):
> > 
> > >On Wed, Aug 23, 2006 at 12:11:57PM +0200, Alexander Leidinger wrote:
> > 
> > >>An idea which wasn't suggested yet is to install a renamed version (I
> > >>would suggest libbaseldap instead of libbsdldap or libldap_i, but I
> > >>don't really care about the name) and a link from the original name
> > >>(only the .so and .a, but not the .so.X) to the new name. This link
> > >>can be protected with a WITHOUT_LIBLDAP_LINK switch (or the other way
> > >>around... depending on what we want to achieve). This way it is
> > >>possible to link with the renamed lib in the base system, to use the
> > >>base system version of the lib in ports, and to use the lib from ports
> > >>if desired (a recompile of ports may be needed in the last case, yes).
> > >
> > >This will not work. bsdxml is used inside the system binaries. No binary
> > >links again expat and bsdxml simultaneously. Would such binary exists,
> > >it could experience problems.
> > >
> > >On the other hand, application using openldap from the ports has high 
> > >chance
> > >loading nss_ldap (e.g., due to nsswitch.conf). If nss_ldap linked against
> > >renamed library, this would cause the crash.
> > 
> > And this can't be solved with symbol versioning?
> 
> Probably not. Default openldap build produces unversioned libraries.
> Application linked against such library would happily resolve symbols
> from the versioned lib.

Why? In which case does this make sense? Is this an implementation
detail or the spec?

Bye,
Alexander.

-- 
   If you care, you just get disappointed all the time. If you don't care
nothing matters so you are never upset.	  -- Calvin
http://www.Leidinger.net  Alexander @ Leidinger.net: PGP ID = B0063FE7
http://www.FreeBSD.org     netchild @ FreeBSD.org  : PGP ID = 72077137



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060823191619.0ea9504b>