Re: [Xen-devel] [PATCH] xen: Deal with stdarg.h and -nostdinc

[Christoph Egger <Christoph.Egger@xxxxxxx>]

On 05/27/11 10:46, Keir Fraser wrote:
> On 27/05/2011 08:55, "Christoph Egger"<Christoph.Egger@xxxxxxx>  wrote:
>
> > > Not really. We are only doing the same as Linux right now. I do note that
> > > they add an -isystem option to their command line, with a gcc include path
> > > that they presumably dump out of gcc in some standard way. However, our
> > > current approach seems to work, if it fails to work in some situation it is
> > > likely to be pretty obvious (build or link failure), and we can fix it then.
> > The cross-compiling facility in NetBSD has been further improved which
> > made gcc more pendantic for this. -nostdinc is used and -isystem is
> > *not* used.
> So where does NetBSD get its stdarg.h from in this case?
-isystem must be *explicitely* specified now.

> It's somewhat bogus to roll your own, as it contains compiler-specific 
> intrinsics.
>
>   -- Keir

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