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SubjectRe: [PATCH v5 24/31] kconfig: add CC_IS_GCC and GCC_VERSION
Hi Stefan

2018-06-05 6:49 GMT+09:00 Stefan Agner <stefan@agner.ch>:
> Hi Masahiro,
>
> On 28.05.2018 11:22, Masahiro Yamada wrote:
>> This will be useful to specify the required compiler version,
>> like this:
>>
>> config FOO
>> bool "Use Foo"
>> depends on GCC_VERSION >= 40800
>> help
>> This feature requires GCC 4.8 or newer.
>>
>
> I tried using CC_IS_GCC today while using clang. It seems that it is set
> to y despite I am using CC=clang.
>
> .config looks like this after config:
>
> ...
> CONFIG_CC_IS_GCC=y
> CONFIG_GCC_VERSION=40201
> CONFIG_CC_IS_CLANG=y
> CONFIG_CLANG_VERSION=60000
> ...
>
>
> I am using clang 6.0.0 on Arch Linux, which seems to return a version
> when using gcc-version.sh:
> ./scripts/gcc-version.sh clang | sed 's/^0*//'
> 402
>
> I guess that should not be the case?
>


What will 'clang --version' print on your machine?

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