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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Yann Droneaud <ydroneaud@opteya.com>
Cc: Greg KH <greg@kroah.com>, David Howells <dhowells@redhat.com>,
	linux-api@vger.kernel.org, linux-kbuild@vger.kernel.org,
	Michal Marek <michal.lkml@markovi.net>,
	dri-devel@lists.freedesktop.org,
	virtualization@lists.linux-foundation.org,
	keyrings@vger.kernel.org, David Airlie <airlied@linux.ie>,
	linux-nilfs@vger.kernel.org, linux-nvdimm@lists.01.org,
	codalist@coda.cs.cmu.edu, coda@cs.cmu.edu,
	coreteam@netfilter.org, Rob Clark <robdclark@gmail.com>,
	linux-arm-msm@vger.kernel.org,
	Kent Overstreet <kent.overstreet@gmail.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Takashi Iwai <tiwai@suse.com>,
	linux-bcache@vger.kernel.org, Coly Li <colyli@suse.de>,
	Jaroslav Kysela <perex@perex.cz>,
	Jan Harkes <jaharkes@cs.cmu.edu>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>,
	Jason Wang <jasowang@redhat.com>,
	Mat Martineau <mathew.j.martineau@linux.intel.com>,
	netfilter-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	moderated for non-subscribers <alsa-devel@alsa-project.org>,
	freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC] UAPI: Check headers by compiling all together as C++
Date: Wed, 5 Sep 2018 13:42:58 -0400	[thread overview]
Message-ID: <20180905133711-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <a1efae8d26cc5b73b180e9521d6b62590c55aa86.camel@opteya.com>

On Wed, Sep 05, 2018 at 07:33:38PM +0200, Yann Droneaud wrote:
> Hi,
> 
> Le mercredi 05 septembre 2018 � 18:55 +0200, Greg KH a �crit :
> > On Wed, Sep 05, 2018 at 04:54:27PM +0100, David Howells wrote:
> > > 
> > > Here's a set of patches that inserts a step into the build process to make
> > > sure that the UAPI headers can all be built together with C++ (if the
> > > compiler being used supports C++).  All but the final patch perform fixups,
> > > including:
> > 
> > Wait, why do we care?  What has recently changed to start to directly
> > import kernel uapi files into C++ code?
> > 
> > And if userspace wants to do this, can't they do the C namespace trick
> > themselves when they do the import?  That must be how they are doing it
> > today, right?
> > 
> 
> They can't.
> 
> 
> Adding extern "C" { } doesn't magically make "class" a non keyword.
> Even if it was the case, writing C++ code using whatever->class would
> probably broke because class is a keyword in C++.

I think it's a bug in the language TBH.

> -- 
> Yann Droneaud
> OPTEYA
> 

  reply	other threads:[~2018-09-05 22:14 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-05 15:54 David Howells
2018-09-05 15:55 ` [PATCH 05/11] UAPI: coda: Don't use internal kernel structs in UAPI David Howells
2018-09-05 16:54   ` Jan Harkes
2018-09-05 17:12   ` Yann Droneaud
2018-09-05 17:28     ` Jan Harkes
2018-09-05 17:24   ` David Howells
2018-09-06  7:13   ` David Howells
2018-09-06 11:52     ` Yann Droneaud
2018-09-06 12:16       ` Jan Harkes
2018-09-06 14:53     ` David Howells
2018-09-05 15:55 ` [PATCH 07/11] UAPI: nilfs2: Fix use of undefined byteswapping functions David Howells
2018-09-05 22:20   ` Al Viro
2018-09-05 16:55 ` [RFC] UAPI: Check headers by compiling all together as C++ Greg KH
2018-09-05 17:33   ` Yann Droneaud
2018-09-05 17:42     ` Michael S. Tsirkin [this message]
2018-09-06  7:12     ` Yann Droneaud
2018-09-05 19:22   ` Jan Engelhardt
2018-09-05 17:50 ` David Howells
2018-09-06  9:18 David Howells

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