Re: [Xen-devel] [PATCH] xen: Don't use -nostdinc flags with CLANG

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 11/02/14 08:53, Tim Deegan wrote:
> At 23:29 +0000 on 10 Feb (1392071374), Julien Grall wrote:
> > Commit 06a9c7e "xen: move -nostdinc into common Rules.mk." breaks
> > compilation with clang:
> >
> > In file included from sched_sedf.c:8:
> > In file included from /home/julieng/works/xen/xen/include/xen/lib.h:5:
> > /home/julieng/works/xen/xen/include/xen/stdarg.h:20:12: error: 'stdarg.h' file
> > not found with <angled> include; use "quotes" instead
> >             ^~~~~~~~~~
> >             "stdarg.h"
> Looks like on your system stdarg.h doesn't live in a compiler-specific
> path, like we have for the BSDs.  I think we should just go to using
> our own definitions for stdarg/stdbool everywhere; trying to chase the
> compiler-specific versions around is a PITA, and the pieces we
> actually need are trivial.
For BSDs, we are using our own stdargs/stdbool.  So we don't include the 
system <stdarg.h>.
Linux is using $(CC) -print-file-name=include to get the right path. It 
works with both gcc and clang on Linux distos, but not on FreeBSD.
--
Julien Grall

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