On Thu, Jun 19, 2008 at 08:18:39AM -0700, Arjan van de Ven wrote:
> Adrian Bunk wrote:
>> On Thu, Jun 19, 2008 at 06:40:05AM -0700, Arjan van de Ven wrote:
>>> Adrian Bunk wrote:
>>>> Expect a lot more of this to pop up in the future.
>>>> Should we #error for gcc 4.3.1?
>>> it/s better to find if the gcc guys made a testcase for this bug (they normally do) and
>>> test based on that.
>>
>> The gcc Bugzilla contains a testcase.
>>
>> But how do you plan to integrate it into a kernel build?
>
> we already have several of these.
> Just look at scripts/gcc-x86_64-has-stack-protector.sh for an example of such a beast.
Checking whether gcc supports some flags is easy.
But miscompilations are a different issue.
Especially since we also want to reject broken gcc versions for cross
compilations.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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