On Wed, 10 Feb 2016, Ian Campbell wrote:
> On Wed, 2016-02-10 at 14:18 +0000, Anthony PERARD wrote:
> > On Wed, Feb 10, 2016 at 02:14:13PM +0000, Stefano Stabellini wrote:
> > > On Wed, 10 Feb 2016, Ian Campbell wrote:
> > > > diff --git a/tools/Makefile b/tools/Makefile
> > > > index 5688a7c..76a2235 100644
> > > > --- a/tools/Makefile
> > > > +++ b/tools/Makefile
> > > > @@ -228,7 +228,7 @@ qemu-xen-dir-force-update: qemu-xen-dir-find
> > > > fi
> > > >
> > > > ifeq ($(debug),y)
> > > > -QEMU_XEN_ENABLE_DEBUG := --enable-debug --enable-trace-
> > > > backend=stderr
> > > > +QEMU_XEN_ENABLE_DEBUG := --enable-debug
> > > > else
> > > > QEMU_XEN_ENABLE_DEBUG :=
> > > > endif
> > > > @@ -240,8 +240,16 @@ subdir-all-qemu-xen-dir: qemu-xen-dir-find
> > > > source=.; \
> > > > fi; \
> > > > cd qemu-xen-dir; \
> > > > + if $$source/scripts/tracetool.py --check-backends --backends
> > > > log ; then \
> > >
> > > --check-backends only works on qemu-xen >= 4.6, on the other hand we
> > > know that qemu-xen < 4.6 supports stderr.
> >
> > But, if you use '--check-backend --backend' (no 's') instead, the check
> > would works with qemu-xen >= 4.3
>
> That would be preferable to the below, IMHO. Any contrary opinions?
Nope, that would be OK
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