bug#9839: compile with gdb running

[Adam]

Yet another pointer: M-x gud-gdb and compilation works fine.  AFAICT
this issue roots in gdb-mi.el

Adam <adam_w67@yahoo.com> writes:

> Glenn Morris <rgm@gnu.org> writes:
>
> I investigated a little.  Somehow the call to the process sentinel
> (compilation-sentinel) is delayed until the gdb process is quit.
>
> Unfortunately I lack the understanding of Emacs internals to debug this
> annoying issue further.
>
>> Please don't cross-post to the help and bug lists, just pick one.
>> Hopefully I have managed to arrange it so that your report only
>> appears on the bug list.
>>
>> Here is the report so that others can see it:
>>
>>     I am using emacs pretest on GNU/Linux. I stumbled upon an
>>     interesting behaviour today. How to reproduce:
>>
>>     emacs -q
>>     M-x gdb RET ls RET
>>     r
>>     # at this point gdb is starting ls
>>     M-x compile RET
>>
>>     The compile buffer pops up, but there is not the
>>
>>     "make: *** No targets specified and no makefile found.  Stop.
>>     Compilation exited abnormally ..."-
>>
>>     output.
>>
>>     Is this a bug? If so, how can I work around it?