Re: [PATCH 03/11] UAPI: virtio_net: Fix use of C++ keywords as structural members

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On Thu, Sep 06, 2018 at 08:09:19AM +0100, David Howells wrote:
> Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
> 
> > As long as you do not intend to use any classes, how about
> > simply adding
> > 
> > -Dclass=_class
> > 
> > to your command line?
> 
> That kind of misses the point;-).  It's not reasonable to expect all userspace
> C++ users to do this.
> 
> David

I thought one of the points was that building kernel with c++ catches
some bugs, no?  If the point is to make life easier for c++ userspace
I'm not sure what we can do to be frank. C++ seems to be adding new
keywords with no restraint (C99 did it with inline and restrict too, but
it seems this stopped) so no good way to future-proof code for all
language dialects.

So I'd like to know which are the actual c++ users asking for this - we
can then accomodate the specific version they need.
Meanwhile people can get by with a wrapper along the lines of
#define class _class
#include <linux/virtio_net.h>
#undef class

-- 
MST



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