Date: Mon, 07 Jun 2004 12:51:20 -0700 From: Eric Anholt <eta@lclark.edu> To: Michael Edenfield <kutulu@kutulu.org> Cc: ports@freebsd.org Subject: Re: RFC: Re-work pkgdep/DEPORIGIN? Message-ID: <1086637879.779.8.camel@leguin> In-Reply-To: <20040607193423.GA47326@wombat.localnet> References: <20040607152752.GD9227@spamcop.net> <20040607165933.GB765@galgenberg.net> <20040607193423.GA47326@wombat.localnet>
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On Mon, 2004-06-07 at 12:34, Michael Edenfield wrote:
> * Ulrich Spoerlein <q@uni.de> [040607 13:09]:
> > On Mon, 07.06.2004 at 11:27:52 -0400, Jim Trigg wrote:
> > > > The real fix is IMHO not to blindly record the dependancy provided in
> > > > the Makefile. That is:
> > >
> > > > LIB_DEPENDS+= pq.3:${PORTSDIR}/databases/postgresql7-client
> > >
> > > > will record databases/postgresql7 as dependancy, no matter what package
> > > > actually provided the libpq.so.3 in the first place. Postgres is not the
> > > > only place where this is wrong, lang/php4 has the same problems. Most
> > > > Ports require www/mod_php which I dont have installed. Instead I'm using
> > > > lang/php4 with WITH_APACHE.
> > >
> > > The real fix IMHO is to use a strategy similar to what Debian Linux
> > > uses: instead of depending on specific ports, depend on capabilities.
> > > So for example, www/horde2 would depend on webphp, and lang/php4 and
> > > www/mod_php4 would each provide webphp. (I don't know the postgres port
> > > family as well, so I can't readily give an example using it.)
> >
> > I don't know the specific debian facilities, but isn't this overkill?
> > There are mostly two or three ports that come into consideration when satisfying
> > a dependancy (postgresql and postgresql-client, or lang/php4 and
> > www/mod_php4, or linux_base-{6,7,8}). Most of the times these are even
> > slave ports (I think), so providing elaborate capabilities management is
>
> One very huge example of this problem, however, I suspect will start
> cropping up a lot in the near future: both x11/XFree86-4-libraries and
> x11/xorg-libraries provide the X11 libraries, but bsd.port.mk encodes a
> dependancy on the XF86 version. This means every time I install an X
> app I need to run pkgdb -F to fix the dependancies.
>
> --K
In this specific case, we're going to have a switch in bsd.port.mk to
select which of the X implementations you are using. It still isn't
nearly as nice as the capabilities way of doing things, but we should
fix the need for pkgdbing soon.
--
Eric Anholt eta@lclark.edu
http://people.freebsd.org/~anholt/ anholt@FreeBSD.org
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