[HEADS UP]: OpenLDAP+nss_ldap+nss_modules separated patch and more (SoC)

[Kostik Belousov]

On Wed, Aug 23, 2006 at 05:23:16PM +0200, Alexander Leidinger wrote:
> Quoting Kostik Belousov <kostikbel at 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.
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