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Date: Mon, 12 Aug 2019 20:00:26 +0200
From: Christoph Hellwig <hch@lst.de>
Subject: Re: can we use mandatory-y for non-uapi headers?
Message-ID: <20190812180026.GA15574@lst.de>
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To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Christoph Hellwig <hch@lst.de>, Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>

On Tue, Aug 13, 2019 at 12:41:20AM +0900, Masahiro Yamada wrote:
> > what is the reason that the documentation says mandatory-y should only
> > be used for uapi headers?
> 
> Where is it documented?
> 
> Documentation/kbuild/makefiles.rst section 7.4 describes
> mandatory-y is essentially used by include/(uapi/)asm-generic/Kbuild
> 
> include/(uapi/)asm-generic/Kbuild means:
> 
> include/uapi/asm-generic/Kbuild
> include/asm-generic/Kbuild

Ok, maybe it was just me misreading the documentation.  In that
case I'll start submitting patches to use it more.