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Date:   Wed, 12 May 2021 05:26:40 -0500
From:   Segher Boessenkool <segher@kernel.crashing.org>
To:     Alexey Kardashevskiy <aik@ozlabs.ru>
Cc:     Michal Marek <michal.lkml@markovi.net>,
        linux-kbuild@vger.kernel.org,
        Masahiro Yamada <masahiroy@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        linux-kernel@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>,
        Nathan Chancellor <nathan@kernel.org>,
        clang-built-linux@googlegroups.com, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH kernel v2] powerpc/makefile: Do not redefine $(CPP) for preprocessor
Message-ID: <20210512102640.GT10366@gate.crashing.org>
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On Wed, May 12, 2021 at 01:48:53PM +1000, Alexey Kardashevskiy wrote:
> >Oh!  I completely missed those few lines.  Sorry for that :-(
> 
> Well, I probably should have made it a separate patch anyway, I'll 
> repost separately.

Thanks.

> >To compensate a bit:
> >
> >>It still puzzles me why we need -C
> >>(preserve comments in the preprocessor output) flag here.
> >
> >It is so that a human can look at the output and read it.  Comments are
> >very significant to human readers :-)
> 
> I seriously doubt anyone ever read those :)

I am pretty sure whoever wrote it did!

> I suspect this is to pull 
> all the licenses in one place and do some checking but I did not dig deep.

I don't see the point in that, but :-)


Segher