RFC: Patch to allow compilation by Sun cc

[Andrew Cagney]

Paul Hilfinger wrote:
> 
> OK, this was annoying:
> 
> 1. That particular parameter is actually an enum target_signal, and
>    some calls of this macro supply that.
> 2. So I ought to declare it as enum target_signal in the header file,
>    BUT
> 3. We apparently can't count on enum target_signal being defined when
>    the header is included.

See the currently tabled patch:

http://sources.redhat.com/ml/gdb-patches/2001-01/msg00206.html

part of it moves the enum to defs.h.  I think it is less of a compromise
than a cast.

	Andrew