Re: [Xen-devel] [PATCH v2 8/9] Config.mk: introduce cc-ifversion

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 10.10.16 at 11:40, <wei.liu2@xxxxxxxxxx> wrote:
> It returns different string depending on compiler version.
> 
> No user yet.
> 
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
albeit I wonder whether ...

> --- a/Config.mk
> +++ b/Config.mk
> @@ -128,6 +128,11 @@ define cc-ver-check-closure
>      endif
>  endef
>  
> +# cc-ifversion: Check compiler version and take branch accordingly
> +# Usage $(call cc-ifversion,lt,0x040700,string_if_y,string_if_n)
> +cc-ifversion = $(shell [ $(call cc-ver,$(CC),$(1),$(2)) = "y" ] \
> +                             && echo $(3) || echo $(4))

... if-cc-version wouldn't be the better name.

Jan


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