Re: [Xen-devel] stdbool.h -nostdinc XSA-55 trouble

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 09.08.13 at 10:33, Patrick Welche <prlw1@xxxxxxxxx> wrote:
> On Fri, Aug 09, 2013 at 09:11:25AM +0100, Patrick Welche wrote:
>> On Fri, Aug 09, 2013 at 08:50:32AM +0100, Jan Beulich wrote:
>> > That would make sense only if we could also do the same for
>> > stdarg.h, but you'll note that xen/stdarg.h already works around
>> > the same problem on NetBSD and OpenBSD. Going through the
>> > history of xen/stdarg.h also shows that this has been a recurring
>> > problem. It escapes me why they can't just play things the gcc
>> > way if gcc is their compiler.
>> 
>> The plan is to use llvm/clang - I haven't tried it, though others
>> already use it as their default compiler (the OS certainly builds).
> 
> This part seems to already be answered in xen/arch/x86/Rules.mk:
> 
> # Solaris grabs stdarg.h and friends from the system include directory.
> # Clang likewise.
> 
> -> compiler rather than OS check?

Both, as is already done there. Albeit I don't know clang at all,
in particular whether it - like gcc - makes its own header versions
available somewhere.

Jan


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