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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

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

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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