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Re: [PATCH for-4.13] compiler.h: define CONFIG_GCC_VERSION
- To: Olaf Hering <olaf@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 21 Jun 2021 09:14:09 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 21 Jun 2021 07:14:22 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 18.06.2021 18:42, Olaf Hering wrote:
> Fixes commit fa5afbbc20ef3577c5338f9d0b24dad45cef59cd,
> due to lack of commit 534519f0514f52007d504e0f2eeb714de7b2468d.
>
> Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
albeit ...
> --- a/xen/include/xen/compiler.h
> +++ b/xen/include/xen/compiler.h
> @@ -99,6 +99,13 @@
> __asm__ ("" : "=r"(__ptr) : "0"(ptr)); \
> (typeof(ptr)) (__ptr + (off)); })
>
> +#ifndef CONFIG_GCC_VERSION
> +# ifdef __GNUC__
> +# define CONFIG_GCC_VERSION (__GNUC__ * 10000 \
> + + __GNUC_MINOR__ * 100 \
> + + __GNUC_PATCHLEVEL__)
> +# endif
> +#endif
... I question the need for the surrounding #ifdef, and I may also move
this higher up in the file while committing.
Jan
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