Re: How to configure gdb to support '--arch=i386' on Mac OS X

[Michael Snyder <msnyder at vmware dot com>]

n179911 wrote:
> Thank you. You are right.
>
> The gdb comes with apple has '-arch'  option, but gdb 7.0 does not.
>
>  $ /usr/bin/gdb --help
>   --translate        Debug applications running under translation.
>   -arch i386|armv6|x86_64|ppc     Specify a gdb targetting a specific
> architecture
>
> So should I do what Joel Brobecker suggested in adding that option in
> gdb/main.c?

Or you could try to make XCode refrain from sending it.

Entirely up to you.  I don't think we are looking to add that
to the mainstream gdb.

> On Wed, Oct 7, 2009 at 11:31 AM, Michael Snyder <msnyder@vmware.com> wrote:
> > n179911 wrote:
> > > Hi,
> > >
> > > I have compiled gdb 7.0 on Mac OS X. And I have configured XCode to
> > > use this new version of gdb 7.0.
> > >
> > > But when I start debug my XCode project it said gdb can't recognize
> > > the option '--arch=i386'. Here is the log of my error:
> > >
> > > [Session started at 2009-10-07 11:00:43 -0700.]
> > > /Users/n179911/bin/gdb/bin/gdb: unrecognized option `--arch=i386'
> > > Use `/Users/n179911/bin/gdb/bin/gdb --help' for a complete list of
> > > options.
> > >
> > > The Debugger has exited with status 1.The Debugger has exited with status
> > >
> > > Can you please tell me how to build gdb to support '--arch-i386' option?
> > I don't think this has ever been a command line option in fsf gdb.
> > Maybe it is one that was added to Apple's version of gdb.
> >
> > Try running `/Users/n179911/bin/gdb/bin/gdb --help', and
> > then run the same command using your installed gdb that came
> > with Mac OS.  My guess is that the Mac version will list
> > "--arch" among the command line options, but the fsf version
> > will not (mine doesn't).