[PATCH v1 2/5] perf pmu-events: Change dependencies for empty-pmu-events.c test

[Arnaldo Carvalho de Melo]

On Mon, Aug 05, 2024 at 12:44:21PM -0700, Ian Rogers wrote:
> Switch from $? (all the prerequisites that are newer than the target)
> to $^ (all the prerequisites) as touching jevents.py will mean that
> empty-pmu-events.c won't be passed to the diff command breaking the
> build.

Thanks, added:

Reported-by: Arnaldo Carvalho de Melo <acme at redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme at redhat.com>
 
> Signed-off-by: Ian Rogers <irogers at google.com>
> ---
>  tools/perf/pmu-events/Build | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build
> index c3fa43c49706..d941bc9d16e9 100644
> --- a/tools/perf/pmu-events/Build
> +++ b/tools/perf/pmu-events/Build
> @@ -39,7 +39,7 @@ $(TEST_EMPTY_PMU_EVENTS_C): $(JSON) $(JSON_TEST) $(JEVENTS_PY) $(METRIC_PY) $(ME
>  
>  $(EMPTY_PMU_EVENTS_TEST_LOG): $(EMPTY_PMU_EVENTS_C) $(TEST_EMPTY_PMU_EVENTS_C)
>  	$(call rule_mkdir)
> -	$(Q)$(call echo-cmd,test)diff -u $? 2> $@ || (cat $@ && false)
> +	$(Q)$(call echo-cmd,test)diff -u $^ 2> $@ || (cat $@ && false)
>  
>  $(PMU_EVENTS_C): $(JSON) $(JSON_TEST) $(JEVENTS_PY) $(METRIC_PY) $(METRIC_TEST_LOG) $(EMPTY_PMU_EVENTS_TEST_LOG)
>  	$(call rule_mkdir)
> -- 
> 2.46.0.rc2.264.g509ed76dc8-goog
>