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

[Pierre-Louis Escouflaire <pierre-louis.escouflaire@eurocontrol.int>]

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	1.129.2.6
>   --- 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.

Regards,
Pierre-Louis ESCOUFLAIRE

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