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Re: Device 0 is not a termcap terminal device
From: |
Alan Mackenzie |
Subject: |
Re: Device 0 is not a termcap terminal device |
Date: |
Sat, 4 Oct 2008 22:27:24 +0000 |
User-agent: |
Mutt/1.5.9i |
Hi, Yidong!
On Fri, Oct 03, 2008 at 12:14:32PM -0400, Chong Yidong wrote:
> Alan Mackenzie <address@hidden> writes:
> > No suggestions, but a "me too". I've just updated and rebuilt Emacs-23,
> > and with this command:
> > $ ~/emacs/emacs/src/emacs -batch -l 000tests.el -f do-all-tests
> > (i.e., run the CC Mode test suite), I get the same error message,
> > namely:
> > Device 0 is not a termcap terminal device
> > . This is distressing. It also suggests the error is nothing to do with
> > --daemon, but perhaps more to do with ttys. The error happens both on a
> > Linux tty and an X-Windows term.
> Could you find out when the problem first showed up?
I've tried. My first idea was to download the Emacs head at various
dates, starting 64 days ago, and do a binary chop from there. It didn't
quite work out like that.
I downloaded each version of the head like this:
$ cvs checkout -D 2008-08-01 emacs
in a separate directory, then configured and built thusly:
$ ./configure --with-gif=no --with-tiff=no
$ make bootstrap
Here're my results:
Friday 2008-08-01 (64 days ago): Got the error message "Device 0 is not a
termcap terminal device".
Thursday 2008-05-29 (128 days ago): Got a build error:
"make[1]: *** No rule to make target
`/home/acm/emacs/emacs-290508/emacs/src/../lisp/help.elc', needed by
`../etc/DOC'.
Stop."
Monday 2008-06-30 (96 days ago): Got the same error message "Device 0
...". Incidentally, got a seg fault during building several times,
each time restarting with "make".
Wednesday 2008-03-26 (192 days ago): Same error message "Device 0 ....".
Sunday 2007-09-16 (384 days ago): Got a (possibly different) error
message "Unknown terminal device".
Friday 2007-06-08, Friday 2007-06-15: Got build failures each time.
[Perhaps relevant here is that Emacs 22.1 was released on Monday
2007-06-04.]
So I'm not particularly close to tracking down the critical date. Each
iteration is taking me a little over half an hour, so it's a fairly
arduous process. Either I'm doing something stupid in my test suite, or
there's a bug which has been around since shortly after Emacs 22 was
released. My test suite works fine in Emacs 22.x.
--
Alan Mackenzie (Nuremberg, Germany).