From owner-cvs-all  Mon Jan 21 20:33:41 2002
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Date: Mon, 21 Jan 2002 23:39:23 -0500
From: Tadayuki OKADA <tadayuki@mediaone.net>
To: Mikhail Teterin <mi@aldan.algebra.com>
Cc: will@csociety.org, cvs-committers@FreeBSD.ORG,
	cvs-all@FreeBSD.ORG
Subject: Re: cvs commit: ports/graphics/gd Makefile pkg-comment
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On Mon, 21 Jan 2002 23:25:46 -0500 (EST)
Mikhail Teterin <mi@aldan.algebra.com> wrote:

> On 21 Jan, Tadayuki OKADA wrote:
> >> > You do know  that libraries undergo source  and binary incompatible
> >> > changes over  time, right?  Did you  check to  make sure  that your
> >> > ports will not be affected by these?
> >>
> >> Yes   --  for   the  foreseable   future.  We   are  talking   source
> >> incompatibility only, btw. If  such incompatibility is introduced, it
> >> will break the building of a port. This breakage will signal the need
> >> for a fix.
> 
> > You   can  break   binary   compatibility   without  breaking   source
> > compatibility. And it's not rare case.
> 
> Would you  be able to offer  an example on  how this is relevant  to the
> argument? Thanks!
Sorry, I was not clear.

I meant:
If port A depends on port B's library.
port B updated. Assume it breaks binary compatibility.
port A build will not be broken, so forget PORTREVISION bump.
People update port B, but not port A. so port A will stop working.

> 
> 	-mi
> 


-- 
Tadayuki OKADA

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