[PROPOSAL] Require builtin or system krb5 libs

Andrew Bartlett abartlet at samba.org
Sat Dec 31 20:36:49 MST 2011

On Sat, 2011-12-31 at 09:30 -0500, simo wrote:
> On Sat, 2011-12-31 at 20:58 +1100, Andrew Bartlett wrote: 
> > Back in October, I wrote the the list suggesting that we should adopt an
> > explicit policy that we require at least some level of Kerberos support
> > to build Samba:
> > 
> > On Mon, 2011-10-24 at 21:03 +1100, Andrew Bartlett wrote:
> > 
> > > I would actually like us to consider if there are systems that we care
> > > about without krb5-devel, and which cannot use the waf build.  If we
> > > could always expect at least some kind of Kerberos library (internal or
> > > system heimdal from the waf build, or any system from autoconf), we
> > > could make our code much simpler in parts.
> > 
> > I would like to make that a firm proposal.  For me at least, Samba both
> > 3.5.11 and current master do not compile without krb5-devel.  As such,
> > it seems no testing is done on systems without a kerberos library, and
> > our users have not been inconvenienced by this requirement. 
> > 
> > Therefore, as we have a way to build Samba without a system kerberos
> > (the waf build), I would like us to require that users either build with
> > waf, or build with a system krb5-devel.
> > 
> > Doing so would remove a lot of dead, untested #ifndef HAVE_KRB5 stub
> > functions, and make our code easier to follow and simpler to develop. 
> > 
> > What do others think?
> I am ok in always requireing kerberos libraries, but given we are making
> a requirement I would go further and specify a minimum MIT Kerberos or
> Heimdal Kerberos versions.
> Testing for specific functionality to be present instead of version
> numbers is also ok.

I strongly agree.  Kerberos libraries have come a long way in the last
decade, and being able to rely on that would be very, very useful.

Andrew Bartlett

Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org

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