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Re: [PATCH, rs6000]: reject -m64 and -m32 simultaneously
Geoff Keating wrote:
>
> On 26/11/2007, at 3:13 PM, Jakub Jelinek wrote:
>
>> On Tue, Nov 27, 2007 at 10:03:02AM +1100, Ben Elliston wrote:
>>> 2007-11-27 Sa Liu <saliu@de.ibm.com>
>>>
>>> * config/rs6000/sysv4.h (CC1_SPEC): Display an error message if
>>> -m32 and -m64 are given simultaneously.
>>
>> Isn't the i386.opt way much better?
>> For the m64 and m32 options add in addition to the already present
>> RejectNegative also Negative(m32) resp. Negative(m64) to the sysv4.opt
>> file.
>
> I think we do have a rule that every option should be overrideable
> later. I can certainly see someone creating a shell script that does
> 'cc -m64' and later wanting to add with -m32.
I think we have that rule too, or at least I think we should have it.
--
Mark Mitchell
CodeSourcery
mark@codesourcery.com
(650) 331-3385 x713