Re: How to configure a cross gdb to debug natively

[Daniel Jacobowitz <dmj+@andrew.cmu.edu>]

On Fri, Jul 13, 2001 at 01:48:06PM -0700, H . J . Lu wrote:
> On Fri, Jul 13, 2001 at 01:23:46PM -0700, H . J . Lu wrote:
> > I'd like to configure gdb inside a tree with binutils, gcc and gdb
> > on Linux/i686 with
> > 
> > # ../configure --target=i386-linux ....
> > 
> > I do that on purpose so that gcc and binutils won't use any files
> > on the host machine. But gdb refuses to debug natively on Linux/i686
> > since it is configured as a cross gdb, However, Linux/i686 is
> > compatible with i386-linux, how can I convince gdb to debug natively?
> > 
> 
> This patch seems to do the trick for me.
> 
> 
> H.J.
> ----
> 2001-07-13  H.J. Lu  (hjl@gnu.org)
> 
> 	* configure.in: Check "${target_os}" = "${host_os}" and
> 	"${gdb_target_cpu}" = "${gdb_host_cpu}" for native files
> 	instead of "${target}" = "${host}".
> 	* configure: Regenerated.

I don't think this is generally appropriate.  For one thing, it further
breaks the consistency of cross-compiling.  If I have ${host} !=
${target} then I am definitely building a cross debugger and that's
what I expect to get out.  Why not build your tools --host=i386-linux
instead?

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer