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Re: CANNOT_DUMP support

From: Chris Hall
Subject: Re: CANNOT_DUMP support
Date: Mon, 11 Feb 2008 09:18:41 -1000
User-agent: GNUMail (Version 1.2.0)

On 2008-02-10 18:33:53 -1000 Dan Nicolaescu <address@hidden> wrote:

Stefan Monnier <address@hidden> writes:

> >> > > I know that GNUstep is a CANNOT_DUMP platform, and I have been > >> > > informed that there aren't many others left. Is there a list
  > >> >   > somewhere that I could view?
  > >> >
  > >> > No list, just grep emacs/src/m/*
  > >>  > >> Ah.  Thanks.
> >> > >> Hmm. System/390, amdx86-64, ia-64, m68k. > > > Nope, look again, all those are either commented out or inside #if 0. > > > The only remaining one is in ibmrs6000.h when using sysV. I don't know
  > > of any such system in current use ...
> > Yup: CANNOT_DUMP is not on the way out, but it's only ever seriously
  > used for targets that are "in development".
> We need to get dumping to work on GNUstep before we can consider it as > "ready for prime time" (tho I don't consider it as a prerequisite for
  > being on the trunk).

Has there been any decision about merging that code? It would probably
be better to merge it sooner rather than later...

Well, its been a long time since I've worked at the level unexec operates at, and even then it was on System/360 and Series/1, but it looks like an interesting problem.

At first glance I imagine dealing with late-binding in Objective C is one of the challenges in dumping on GNUstep platforms?

Anyway, at the moment I'm more interested in getting the GNUstep Emacs.app working a bit better, so I'm trying to get my mind around the multi-tty stuff.

I've found http://lorentey.hu/project/emacs.html.hu very useful in getting started on that.

Thanks for all the useful responses, everybody.

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