Re: [PATCH 2/2] perf tests: Show the inner make output when an error happens

[Jiri Olsa <jolsa@redhat.com>]

On Fri, Jun 06, 2014 at 11:11:49AM -0300, Arnaldo Carvalho de Melo wrote:
> From: Arnaldo Carvalho de Melo <acme@redhat.com>
> 
> Before:
> 
>   [acme@zoo linux]$ make -C tools/perf -f tests/make make_static
>   make: Entering directory `/home/git/linux/tools/perf'
>   - make_static: cd . && make -f Makefile DESTDIR=/tmp/tmp.JcWuM4Zu9f LDFLAGS=-static
>   make: *** [make_static] Error 1
>   make: Leaving directory `/home/git/linux/tools/perf'
>   [acme@zoo linux]$
> 
> After:
> 
>   [acme@zoo linux]$ make -C tools/perf -f tests/make make_static
>   make: Entering directory `/home/git/linux/tools/perf'
>   - make_static: cd . && make -f Makefile DESTDIR=/tmp/tmp.X3su83i14u LDFLAGS=-static
>   cd . && make -f Makefile DESTDIR=/tmp/tmp.X3su83i14u LDFLAGS=-static
>     BUILD:   Doing 'make -j4' parallel build
>   config/Makefile:303: *** No static glibc found, please install glibc-static.  Stop.
>   make[1]: *** [all] Error 2
>     test: test -x ./perf
>   make: Leaving directory `/home/git/linux/tools/perf'
>   [acme@zoo linux]$
> 
> Cc: Adrian Hunter <adrian.hunter@intel.com>
> Cc: David Ahern <dsahern@gmail.com>
> Cc: Don Zickus <dzickus@redhat.com>
> Cc: Frederic Weisbecker <fweisbec@gmail.com>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: Mike Galbraith <efault@gmx.de>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Stephane Eranian <eranian@google.com>
> Link: http://lkml.kernel.org/n/tip-s3ycajsl9n249n9e8gomfex5@git.kernel.org
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> ---
>  tools/perf/tests/make | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/tools/perf/tests/make b/tools/perf/tests/make
> index 2f92d6e7ee00..c21db653b1f2 100644
> --- a/tools/perf/tests/make
> +++ b/tools/perf/tests/make
> @@ -205,8 +205,7 @@ $(run):
>  	( eval $$cmd ) >> $@ 2>&1; \
>  	echo "  test: $(call test,$@)" >> $@ 2>&1; \
>  	$(call test,$@) && \
> -	rm -f $@ \
> -	rm -rf $$TMP_DEST
> +	rm -rf $@ $$TMP_DEST || cat $@

I like that we show the log, but we need to fail the target
so the processing is stopped and the rest is not executed,
like adding this:

    .... cat $@ && false
>  
>  $(run_O):
>  	$(call clean)

also you need to put same change to $(run_O) target

thanks,
jirka