Hi Abdul,
On Tue, 14 Sep 2021 11:39:44 +0530 Abdul Haleem <abdhalee@xxxxxxxxxxxxxxxxxx> wrote:
>
> Today's mainline kernel fails to compile on my powerpc box with below errors
>
> ././include/linux/compiler_attributes.h:62:5: warning: "__has_attribute" is not defined, evaluates to 0 [-Wundef]
> #if __has_attribute(__assume_aligned__)
> ^~~~~~~~~~~~~~~
> ././include/linux/compiler_attributes.h:62:20: error: missing binary operator before token "("
> #if __has_attribute(__assume_aligned__)
> ^
> ././include/linux/compiler_attributes.h:88:5: warning: "__has_attribute" is not defined, evaluates to 0 [-Wundef]
> #if __has_attribute(__copy__)
> ^~~~~~~~~~~~~~~
> ././include/linux/compiler_attributes.h:88:20: error: missing binary operator before token "("
> #if __has_attribute(__copy__)
>
> Kernel builds fine when below patch is reverted
>
> commit 6d2ef22 : compiler_attributes.h: drop __has_attribute() support for gcc4
Thanks for your report.
This is known and being addressed.
--
Cheers,
Stephen Rothwell
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