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Re: gud-mode --annotate=3 and synchronization problems

From: Pierre-Louis Escouflaire
Subject: Re: gud-mode --annotate=3 and synchronization problems
Date: Wed, 05 Sep 2007 17:53:02 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.3) Gecko/20040924

Nick Roberts wrote:
> Not doing anything but `M-x describe-variable RET gdb-ready' before gdb > prompt appears tells "No match" and then commands make gdb freeze. Plus, > hre are some messages I had:
 >    when: Symbol's value as variable is void: gdb-ready

I don't get that because:

  *** gud.el    13 Aug 2007 20:51:56 +1200
  --- gud.el    02 Sep 2007 15:20:41 +1200      
  *************** If SOFT is non-nil, returns nil if the s
  *** 104,109 ****
  --- 104,111 ----
      "Non-nil if debugged program is running.
    Used to grey out relevant toolbar icons.")
+ (defvar gdb-ready nil) + ...

Have you byte compiled gud.el?  (You may be loading an old version).
These diffs were made against Emacs in CVS (EMACS_22_BASE branch) so you might
need to adjust them a bit for Emacs 22.1.

OK, I just took the one from CVS (with no gdb-ready variable) and tested a bit with different configurations and I don't have any synchronization problems remaining.

I have seen that the default behavior is now 'gdb' with no option which I think to be much better (one generally removes the --annotate=3 option).

However, I have tested with the --annotate=3 option and I have seen that navigation through files is broken. In fact, it is due to the file location: it tries to open the file within directory "$(pwd)/source ${REAL_LOCATION}" (strings concatenation).

Note that gud-mode also behaves as gdb outside emacs, i.e. outputting those ^Z characters and current operation (pre-prompt, starting, breakpoint, etc.) sequence. I do not know if it is normal, but to me

Anyways, to me, it seems much better this way since one is not lost with options (s)he never used before and since the use of gdb is now much easier.

Thanks a lot for your concern.



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