Re: gdb in Emacs

[Eli Zaretskii <eliz@gnu.org>]

> Date: Fri, 12 Oct 2012 10:27:10 -0500
> From: Shiyuan <gshy2014@gmail.com>
> 
> I am using Emacs 23.3(9.0) in Mac OS 10.6.  This is the operation sequence
> which causes the problem:
> 1. start Emacs with -Q, open GDB under Emacs: gdb --annotate=3 program
> 2. set the breakpoint:  b location
> 3. run the program: r
> 4. When GDB hits the breakpoint, the window splits horizontally into two
> windows, one with GDB,
>    another one is the source code,  at this time, the focus point is in GDB
>  window.
> 5. while the focus point stil remains in GDB window, open a new frame with
>  : Ctrl-x 5 2.
>     Now a new frame is created with one window and another GDB  is in it.
> 6. Switch the focus point to source code window, Run delete other winodw:
> Ctrl-X 1.
>     Now the source code window occupies the whole frame which was
> previously splited into two windows.
>     Now Emacs has two frames. One frame has only  GDB window, another frame
> has only source code window.
>     Now, If I switch the focus point back to the GDB window, and keep
> stepping using the GDB command "next", the focus
>     point will switch back to source code window automatically after each
> GDB command.

I can confirm this behavior in both Emacs 23.3 and the current
development sources.

Please report this as a bug using "M-x report-emacs-bug RET", so that
it will get fixed, preferably for the next version 24.3.