On May 2, 2010, at 12:58 PM, Robert Noland wrote:
> On Sun, 2010-05-02 at 11:46 -0700, Garrett Cooper wrote:
>> On May 2, 2010, at 5:30 AM, Robert Noland <rnol...@freebsd.org> wrote:
>>
>>> On Sun, 2010-05-02 at 11:26 +0200, Demelier David wrote:
>>>> http://www.freebsd.org/cgi/query-pr.cgi?pr=143723
>>>>
>>>> It seems adding CFLAGS+=-march-=native solved the problem but I
>>>> don't want to
>>>> keep this flag everytime in my make.conf
>>>>
>>>> How this flag could solve the problem ? I can't understand.
>>>
>>> This actually stems from libdrm. Intel requires certain atomics that
>>> are not available on pure i386. They are present in code built for
>>> i486
>>> +. The default cpu was changed to i486 some time .
>>
>> Should the port be marked broken with -march=i386 then?
>
> Well, I'm not sure quite how we would do that... but if your
> kernel/world is not really old, it should just work unless you force gcc
> to produce code that will run on i386.
Something like this?
.if ${CPUTYPE} == i386 || ${ARCH} == i386 && ${CPUTYPE} == native
BROKEN := this port requires i486+ CPU support
.endif
Can't protect against someone using the non-supported means of
compiling things and putting -m{arch,cpu,tune}=native in CFLAGS, et all.
Thanks,
-Garrett_______________________________________________
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