linux-kernel - Re: [PATCH v2] kbuild: check the minimum compiler version in Kconfig

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Date:   Thu, 14 Jan 2021 09:09:29 +0100
From:   Sedat Dilek <sedat.dilek@...il.com>
To:     Ilie Halip <ilie.halip@...il.com>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        linux-kbuild@...r.kernel.org,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Will Deacon <will@...nel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] kbuild: check the minimum compiler version in Kconfig

On Thu, Jan 14, 2021 at 8:55 AM Ilie Halip <ilie.halip@...il.com> wrote:
>
> Hi Masahiro,
>
> > +       #elif defined(__INTEL_COMPILER)
> > +       /* How to get the version of intel compiler? */
> > +       ICC     0               0               0
>
> According to Intel documentation[1], this should do the trick:
>
>     ICC     __INTEL_COMPILER  __INTEL_COMPILER_UPDATE
> __INTEL_COMPILER_BUILD_DATE
>
> I don't have the compiler installed, but I tested this on godbolt[2] and
> looks fine to me. What do you think?
>

I remember at university I used ICC successfully with building a Linux-kernel.
Anyone has used ICC recently?

I cannot remember to have seen any bug-reports regarding ICC to
linux-kernel or linux-kbuild mailing-lists.

- Sedat -

> [1] https://software.intel.com/content/www/us/en/develop/documentation/cpp-compiler-developer-guide-and-reference/top/compiler-reference/macros/additional-predefined-macros.html
> [2] https://godbolt.org/z/E5PE6f
>
> I.H.
>
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