ports/62690: Postfix with LDAP support fails to compile

[Oliver Eikemeier]

Sergey A. Osokin wrote:

> [...]
> 
> I would like to commit following patch, its also fix build problem
> with openldap20, please review and approve.

FYI: OpenLDAP 2.0 is deprecated and scheduled for removal May 2004.
OpenLDAP 1.2 will be removed April 2004 and shouldn't be used under any
circumstances (it is marked FORBIDDEN).

Generally users expect that when they set WANT_OPENLDAP_VER in make.conf(5),
pkgtools.conf(5) or on the command line that this is honored by ports.
The rationale is that different versions of OpenLDAP can't coexist and
it is therefore easy for the user to choose her preferred version.

Furthermore WANT_OPENLDAP_VER has a default in bsd.port.mk, which makes it
easy to switch versions and build non-conflicting packages. Currently
OpenLDAP 2.1 is the default, but I plan to switch to 2.2 if it is stable
enough and eventually the OpenLDAP project ceases support for 2.1.

I am aware that this doesn't fit well in the scheme how postfix configuration
works now, but it would be nice if we could have a consistent ports tree,
at last in this regard.

Just a suggestion
    Oliver