Dumping doesn't work

Dumping doesn't work

[Hannu Koivisto]

Eli Zaretskii <eliz@is.elta.co.il> writes:

[From the discussion in gnu.emacs.help]

> Hannu Koivisto wrote:
>> 
>> Should it be possible to dump an already dumped and installed
>> Emacs?
>
> Yes.
>
>> I tried...
>> 
>> /usr/bin/emacs-21.1 --no-site-file -q -batch \
>>   -eval '(dump-emacs "./kala" "/usr/bin/emacs-21.1")'
>> 
>> ...in my Debian GNU/Linux x86 unstable system but the created
>> executable "kala" doesn't work; all I get is:
>> 
>> * ./kala
>> --11:---F1<cursor here>
>> 
>> If I hit RET at that point, I get "End of file during parsing" and
>> end up back to the shell prompt.
>
> Sounds like a bug.  Please report it.  If you can step with a debugger
> through the startup code of the redumped Emacs and see what's different
> there from a ``normal'' Emacs startup, that would be really nice.

I'm sorry but I can't do that right now (I've got a thesis to
finish), perhaps in few weeks or so.

Some new information, though:

If I try to run my dumped "kala" executable with -nw argument (I
have DISPLAY set so the failed invocation described above should
have opened an X window), it starts.  It doesn't do anything like
read my init file or the system wide init file (perhaps this is a
feature?), but I get a *scratch* buffer, minibuffer displays "Back
to top level." and I can evaluate stuff, open files, etc.  Also, it
does not seem to process all command line arguments.  At least
-eval and -batch have no effect whatsoever.

FWIW, I verified that I get the same behaviour also with 21.2 in
Debian GNU/Linux x86 stable.

-- 
Hannu

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Re: Dumping doesn't work -- fixed!

[Hannu Koivisto]

Greetings,

I found the problem, it was a simple typo ->

--- /usr/local/src/emacs/emacs-21.2/src/emacs.c~	Mon Oct 29 13:31:07 2001
+++ /usr/local/src/emacs/emacs-21.2/src/emacs.c	Tue Mar 26 15:27:06 2002
@@ -1981,7 +1981,7 @@
   /* Bind `command-line-processed' to nil before dumping,
      so that the dumped Emacs will process its command line
      and set up to work with X windows if appropriate.  */
-  symbol = intern ("command-line-process");
+  symbol = intern ("command-line-processed");
   specbind (symbol, Qnil);
 
   CHECK_STRING (filename, 0);

-- 
Hannu

Re: Dumping doesn't work -- fixed!

[Eli Zaretskii]

On Tue, 26 Mar 2002, Hannu Koivisto wrote:

> Greetings,
> 
> I found the problem, it was a simple typo ->

Thanks, I fixed that in the CVS.

The typo was there at least since 1997, so I guess no one tried dumping 
Emacs for a long, long time...