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Re: build failure on Irix 6.5/gcc


From: Dave Love
Subject: Re: build failure on Irix 6.5/gcc
Date: Mon, 02 Jan 2006 22:23:02 +0000
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/21.4 (gnu/linux)

"Richard M. Stallman" <address@hidden> writes:

> An actual patch would be a lot clearer than that.
> Writing one might be trivial for one who knows what to do,
> but it isn't trivial for someone like me who doesn't know.

I'm afraid this really emphasizes that unexec isn't maintainable, even
for use with the GNU tools.  (See TODO.)

> Is there someone else who knows what change is needed?

Presumably anyone who's had to fix unexelf.c.  I'm sure schwab could
sort it out, though he won't be interested in Irix.  However, he might
comment on those sections and the others I listed that gcc might
generate on platforms of interest in the future.  Can't you get a
binutils guru to comment on unexec?  (I think unexec is also used by
SCM, Guile and GCL amongst GNU programs.)

Someone can surely turn on conservative stack scanning for Irix 6.5
anyway.

> (Is this change needed in the current development sources,

Yes.

> or was it only needed in Emacs 21?  I think he said this problem
> did not occur in the development sources;

Maybe you mean a failure on Solaris 10 -- that's different.

> I'm sorry to hear that you will be out of work, but maybe it would
> enable you to write additional Emacs features.  I hope we will
> be ready to install some in a couple of months.

Thanks, but I doubt anyone wants to hire Emacs hackers, and I don't
just want more stuff installed.  I'd rather have what's been there for
years in a stable Emacs `distributed in the hope that it will be
useful', and I wish there was some prospect of that.  (I hope it's not
too unusual to contribute just to DTRT, notwithstanding ESR.)




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