[PATCH] RTEMS: Use strict DWARF-2 on ARM, PowerPC, SPARC

[Sebastian Huber]

On 06/18/2013 02:10 PM, Ralf Corsepius wrote:
> On 06/18/2013 01:58 PM, Sebastian Huber wrote:
>> Some debuggers do not cope with the new DWARF3/4 debug format introduced
>> with GCC 4.8.  Default to strict DWARF-2 on ARM, PowerPC and SPARC for
>> now.
>>
>> This patch should be committed to GCC 4.8 and 4.9.
>
> I am opposed to this patch, because
>
> * GNU software should not care about the limitations of commerical stuff and
> should only care about gdb.

Actually GCC cares about commercial stuff, e.g. the VxWorks and Darwin ports 
use exactly the same mechanism.

The SPARC version of GDB seems to have problems here also:

http://www.rtems.org/pipermail/rtems-devel/2013-May/003188.html

>
> * We should stay with the GCC's defaults and not diverge from these.

In general this is true.

> * Users, who are facing issues with commerical stuff can always manually pass
> appropriate options to CC if they need it.

This approach is not possible for the multilibs.

-- 
Sebastian Huber, embedded brains GmbH

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