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Re: [Gcl-devel] GCL + xemacs + ilisp-5.12.0
From: |
Camm Maguire |
Subject: |
Re: [Gcl-devel] GCL + xemacs + ilisp-5.12.0 |
Date: |
10 Jun 2002 18:01:45 -0400 |
Greetings!
Gregory Wright <address@hidden> writes:
> Hi,
>
> gcl (either 2.5.0 or 2.4.3) fails when used under xemacs (or emacs for
> that matter) when used with the ilisp-5.12.0 package. SBCL, cmucl, clisp
> are all OK. I had hoped that the bug was in the loop macro (as mentioned
> by Vadim Z.) but switching to loop2 doesn't help.
>
Well, I've confirmed strange behavior with ilisp 5.11 in emacs and
xemacs under Debian. But I really don't know how to use ilisp. What
I see is no response on entering (+ 2 3). No cpu time used at all.
I'd guess a misdefinition of the gcl dialect somewhere in the
ilisp.el files, but I really don't have the expertise to quickly
confirm this. Have you asked at the ilisp devel site?
> The principal symptom of the failure under xemacs is a hang with cpu
> usage going to 90%. Emacs segfaults when ilisp is starting gcl as an
> inferior lisp.
>
> Methinks this is because ilisp is stressing the ANSI-ness of gcl. How
> should I begin to track down? Any pointers would be apprecaited.
>
I don't know what you are doing (i.e. entering/evaluating) to get this
cpu usage, but if your results are exhibited like mine on immediate
startup of gcl, I doubt it has much to do with ansi compliance. It
could be the defpackage, which I know ilisp uses, and which we've done
some work on recently in adding it. But you'd at least see different
behavior with 2.4.3, where defpackage isn't installed.
>
> To briefly revisit an older topic---what projects depend on gcl---I want
> to second the note that pointed out that ACL2 depends on gcl. It's my
> main interest in lisp, and it only builds out of the box with gcl. CMUcl
> and clisp are supposed to work, but don't on ACL2.6 with recent versions
> of CMUcl or clisp (RH6.2 linux).
>
Thanks for this tip! Now we have two open source reasons for gcl to
exist! :-). I've looked at the acl2 web page briefly, and it looks
quite complex. I haven't yet gone through the tour on the website.
Anyone find this useful in day to day work, as apart from theoretical
studies in computational logic?
Take care,
> Best Wishes,
> Greg
>
>
> --
>
> Gregory Wright
> Chief Technical Officer
> PacketStorm Communications, Inc.
> 20 Meridian Road
> Eatontown, New Jersey 07724
>
> 1 732 544-2434 ext. 206
> 1 732 544-2437 [fax]
> address@hidden
>
>
>
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>
--
Camm Maguire address@hidden
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