cvs commit: src/lib/libc/locale utf8.c

Ken Smith kensmith at cse.Buffalo.EDU
Fri Oct 26 09:01:17 PDT 2007

On Fri, 2007-10-26 at 11:41 -0400, John Baldwin wrote:
> On Friday 26 October 2007 10:53:47 am David O'Brien wrote:
> > On Thu, Oct 25, 2007 at 05:31:03PM -0400, Ken Smith wrote:
> > > What we need to try and avoid unless *absolutely* *necessary* is the
> > > part Scott quoted above - binaries compiled on 6.3-REL should work on
> > > 6.2-REL unless there was a really big issue and the solution to that
> > > issue required us to break that.  The reason is simple, people should be
> > > able to continue running 6.2-REL "for a while" and still be able to
> > > update their packages from packages-6-stable even after portmgr@ starts
> > > using a 6.3-REL base for the builds
> > 
> > This is news to me.
> > I've never heard that we're that concerned with forward compatability
> > even on a RELENG branch.  We do not break the ABI for backwards
> > compatability - in that everything (including kernel modules) that ran on
> > 6.2 must run on 6.3.
> Agreed.  The solution to the shared /usr/local problem is to use the oldest 
> version for /usr/local.  That has always been the case.  Forwards 
> compatiblity (what you are asking for) is significantly harder to guarantee 
> since accurately predicting the future isn't much a science.

Yeah, sorry.  I guess I've been a bit grumpy the past couple days and
over-stated the "*absolutely* *necessary*" part above.  It should have
read "*necessary*", not "*absolutely* *necessary*".

I'd just like us to question if it's necessary here.  Is there a good
enough way to do this without causing the breakage?  I sorta liked
Warren's question.  Does this stuff need to be inlined and if not would
that solution avoid the breakage?

Accurately predicting the future is impossible (IHMO, I guess others
disagree).  Breaking forwards compatibility if necessary will happen.
Doing it when there is an alternative that's viable and wouldn't break
it is what should be avoided.

                                                Ken Smith
- From there to here, from here to      |       kensmith at
  there, funny things are everywhere.   |
                      - Theodore Geisel |

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