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

[Michael Snyder <msnyder@vmware.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).
>>
>>