Re: [Xen-devel] [PATCH] tools: configure correct trace backend for QEMU

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Wei Liu [mailto:wei.liu2@xxxxxxxxxx]
> Sent: 10 May 2016 11:58
> To: Paul Durrant
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx; Ian Jackson; Wei Liu
> Subject: Re: [PATCH] tools: configure correct trace backend for QEMU
> 
> On Mon, May 09, 2016 at 05:43:14PM +0100, Paul Durrant wrote:
> > Newer versions of the QEMU source have replaced the 'stderr' trace
> > backend with 'log'. This patch adjusts the tools Makefile to test for
> > the 'log' backend and specify it if it is available.
> >
> > Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> 
> Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> 
> I have queued this up for committing for 4.7
> 

Cool. Thanks :-)

  Paul

> Wei.
> 
> > ---
> > Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> > Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
> > ---
> >  tools/Makefile | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/tools/Makefile b/tools/Makefile
> > index 3f45fb9..6440dec 100644
> > --- a/tools/Makefile
> > +++ b/tools/Makefile
> > @@ -240,7 +240,9 @@ subdir-all-qemu-xen-dir: qemu-xen-dir-find
> >             source=.; \
> >     fi; \
> >     cd qemu-xen-dir; \
> > -   if $$source/scripts/tracetool.py --check-backend --backend stderr ;
> then \
> > +   if $$source/scripts/tracetool.py --check-backend --backend log ; then
> \
> > +           enable_trace_backend='--enable-trace-backend=log'; \
> > +   elif $$source/scripts/tracetool.py --check-backend --backend stderr ;
> then \
> >             enable_trace_backend='--enable-trace-backend=stderr'; \
> >     else \
> >             enable_trace_backend='' ; \
> > --
> > 2.1.4
> >

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