Re: [Xen-devel] [PATCH 01/34] xen: clang: Disable initializer-overrides warning

[Tim Deegan <tim@xxxxxxx>]

At 15:00 +0000 on 26 Mar (1395842446), Julien Grall wrote:
> Hi Jan,
> 
> On 03/26/2014 11:51 AM, Jan Beulich wrote:
> >>>> On 25.03.14 at 17:55, <julien.grall@xxxxxxxxxx> wrote:
> >> --- a/xen/Rules.mk
> >> +++ b/xen/Rules.mk
> >> @@ -68,6 +68,8 @@ ifneq ($(max_phys_irqs),)
> >>  CFLAGS-y                += -DMAX_PHYS_IRQS=$(max_phys_irqs)
> >>  endif
> >>  
> >> +CFLAGS-$(clang)         += -Wno-initializer-overrides
> > 
> > And this is supported by all clang versions we permit to be used, i.e.
> > doesn't need to be done conditionally?
> 
> I've tried to compile with clang 3.0-3.5 (used by Debian wheezy).
> 
> In another dimension can we really say we are supporting clang when most
> of the time it's not possible to compile Xen with it? For instance,
> building Xen 4.4 with Clang doesn't work.
> I think we might need to have a build test for clang.

Most of the breakage seems to come with newer versions of clang,
rather than newer versions of Xen.  Still, a clang build test would be
a good idea.

Cheers,

Tim.

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