Patch to remove zlib.

[Jelmer Vernooij]

On Wed, Jul 09, 2014 at 11:20:51PM +0800, Chan Min Wai wrote:
> Just to remind that we shouldn't have a auto dependency on gentoo on waf
> build on zlib...
Please read the discussion. This change is making zlib a mandatory dependency
of Samba. 

As mentioned before, by default we try to find libraries on the system and
use them if we do. You can explicitly disable or enable use of system libraries
using --bundled-libraries argument to ./waf configure.

Cheers,

Jelmer

> On Wed, Jul 9, 2014 at 11:05 PM, Ira Cooper <ira at samba.org> wrote:
> 
> > On Wed, Jul 9, 2014 at 11:01 AM, Jelmer Vernooij <jelmer at samba.org> wrote:
> >
> > > On Mon, Jul 07, 2014 at 12:46:47PM -0400, Ira Cooper wrote:
> > > > Note: To apply it  unxz it then use git am --ignore-whitespace ,
> > > otherwise
> > > > you may have issues.  (xz was used to save the list a good bit of
> > > space...
> > > > it's over 500k gzipped.)
> > > >
> > > > As far as why: I listened to metze/vl.  I disagree with them.
> > > >
> > > > I believe that third party (non Samba Team developed) libraries do not
> > > > belong in the tree.  They are asking for trouble long term, IMHO.
> > > >
> > > > Consider this patch the first step down the path to cleaning up these
> > > > libraries.
> > > Thanks for working on this.  It'd be great to always rely on the system
> > > zlib.
> > > It reduces some overhead on us to support two configurations in waf (one
> > > with
> > > the bundled zlib and one with the system zlib), and keeping the zlib copy
> > > up to
> > > date. This is not a huge burden, but all the little bits help. :-)
> > >
> > > You probably want to use something other than CHECK_BUNDLED_SYSTEM() to
> > > detect zlib, since zlib is no longer bundled. CHECK_BUNDLED_SYSTEM() also
> > > relies exclusively on pkg-config (at least so its docstring claims) to
> > find
> > > zlib; are we ready to make pkg-config a mandatory dependency?
> > >
> >
> > As far as pkg-config goes, I debated that myself.  I submitted this version
> > with the lockdown in it.  If there is a waf check I can use instead I'm all
> > ears.
> >
> > -Ira
> >