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From: Yann Droneaud <ydroneaud-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org>
To: Greg KH <greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>,
	David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: moderated for non-subscribers
	<alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org>,
	"Michael S. Tsirkin"
	<mst-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
	Jason Wang <jasowang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Mat Martineau
	<mathew.j.martineau-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	Masahiro Yamada
	<yamada.masahiro-uWyLwvC0a2jby3iVrkZq2A@public.gmane.org>,
	keyrings-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Ryusuke Konishi
	<konishi.ryusuke-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>,
	linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org,
	codalist-/uMB558Y47wP4a1z8dhFYw@public.gmane.org,
	coda-ETDLCGt7PQU3uPMLIKxrzw@public.gmane.org,
	coreteam-Cap9r6Oaw4JrovVCs/uTlw@public.gmane.org,
	Kent Overstreet
	<kent.overstreet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-kbuild-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Coly Li <colyli-l3A5Bk7waGM@public.gmane.org>,
	linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Jaroslav Kysela <perex-/Fr2/VpizcU@public.gmane.org>,
	Jan Harkes <jaharkes-ETDLCGt7PQU3uPMLIKxrzw@public.gmane.org>,
	Michal Marek
	<michal.lkml-yyZNWGI4GtDR7s880joybQ@public.gmane.org>,
	linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Takashi Iwai <tiwai-IBi9RG/b67k@public.gmane.org>, linux-kernel@
Subject: Re: [RFC] UAPI: Check headers by compiling all together as C++
Date: Wed, 05 Sep 2018 19:33:38 +0200	[thread overview]
Message-ID: <a1efae8d26cc5b73b180e9521d6b62590c55aa86.camel@opteya.com> (raw)
In-Reply-To: <20180905165552.GB25206-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>

Hi,

Le mercredi 05 septembre 2018 à 18:55 +0200, Greg KH a écrit :
> 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++.

-- 
Yann Droneaud
OPTEYA


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  parent reply	other threads:[~2018-09-05 17:33 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-05 15:54 [RFC] UAPI: Check headers by compiling all together as C++ David Howells
2018-09-05 15:54 ` [PATCH 01/11] UAPI: drm: Fix use of C++ keywords as structural members David Howells
2018-09-05 15:54 ` [PATCH 02/11] UAPI: keys: " David Howells
2018-09-05 15:54 ` [PATCH 03/11] UAPI: virtio_net: " David Howells
2018-09-05 16:54   ` Greg KH
2018-09-05 17:15   ` David Howells
2018-09-05 17:35   ` Michael S. Tsirkin
2018-09-06  7:09   ` David Howells
2018-09-06 14:36     ` Michael S. Tsirkin
2018-09-05 15:55 ` [PATCH 04/11] UAPI: bcache: Fix use of embedded flexible array David Howells
2018-10-02 14:52   ` Jan Engelhardt
2018-10-09 15:41   ` David Howells
2018-10-09 16:54     ` Jan Engelhardt
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 06/11] UAPI: netfilter: Fix symbol collision issues 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 15:55 ` [PATCH 08/11] UAPI: sound: Fix use of u32 and co. in UAPI headers David Howells
2018-09-06  5:59   ` Takashi Sakamoto
2018-09-06  8:17   ` David Howells
2018-09-05 15:55 ` [PATCH 10/11] UAPI: ndctl: Remove use of PAGE_SIZE David Howells
2018-09-05 15:55 ` [PATCH 11/11] UAPI: Check headers build for C++ David Howells
     [not found] ` <153616286704.23468.584491117180383924.stgit-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
2018-09-05 15:55   ` [PATCH 09/11] UAPI: ndctl: Fix g++-unsupported initialisation in headers David Howells
2018-09-05 16:55   ` [RFC] UAPI: Check headers by compiling all together as C++ Greg KH
     [not found]     ` <20180905165552.GB25206-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2018-09-05 17:33       ` Yann Droneaud [this message]
2018-09-05 17:42         ` Michael S. Tsirkin
     [not found]         ` <a1efae8d26cc5b73b180e9521d6b62590c55aa86.camel-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org>
2018-09-06  7:12           ` Yann Droneaud
2018-09-05 19:22       ` Jan Engelhardt
2018-09-05 17:50 ` David Howells
  -- strict thread matches above, loose matches on Subject: below --
2018-09-06  9:18 David Howells

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