Re: Gdb in emacs 24

[Eli Zaretskii]

> From: David Reitter <address@hidden>
> Date: Thu, 6 Oct 2011 09:37:45 -0400
> Cc: address@hidden
> 
> On Oct 6, 2011, at 7:25 AM, Eli Zaretskii wrote:
> 
> >>> The very first line of the doc string says:
> >>> 
> >>> gdb is an interactive autoloaded Lisp function in `gdb-mi.el'.
> >>>                                                    ^^^^^^^^^
> >> 
> >> So, you're now asking users to infer the interface between GDB and Emacs 
> >> from file names of the source file?
> > 
> > Huh? did you even read the message to which I was responding?  A user
> > asked why her ELisp function stopped working in Emacs 24.  That
> > function used "--annotate=3" switch to GDB.  I responded that since
> > Emacs 24 switched to using the MI interface to GDB, using --annotate
> > is expected to fail.
> 
> 
> There must be a misunderstanding.  Here's what you said:
> 
> > If you "C-h f gdb RET", you will see that Emacs 24 switched to use the
> > GDB/MI interface, so the --annotate=3 thingy is no longer TRT, and I'm
> > quite sure it will interfere in "interesting" ways.

That was part of an attempt to help a user understand why her Lisp no
longer works in Emacs 24.

> And I pointed out that you couldn't actually infer the switch to the new 
> interface from the doc string of `gdb'.

There's no requirement to infer the switch, because I just told about
the switch myself.

> 1. The user doesn't care about how Emacs GDB and the underlying gdb 
> communicate, and how that changes between Emacs versions - nor should they 
> have to care.

Users who don't care shouldn't override the Emacs defaults with an
explicit GDB command line that is based on intimate details of how GUD
invokes GDB.