linux-kernel - [PATCH 3/3] perf, tools: Fix jevents dependencies

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Date:	Thu, 28 May 2015 13:20:02 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	sukadev@...ux.vnet.ibm.com
Cc:	jolsa@...hat.com, mingo@...nel.org, acme@...nel.org,
	linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 3/3] perf, tools: Fix jevents dependencies

From: Andi Kleen <ak@...ux.intel.com>

The "find" based dependencies for the JSON files didn't work me. I
didn't get a rebuild when the JSON files changed. Change it to
use wildcard. Also add a dependency for the jevents binary itself
and for the mapfile.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 tools/perf/pmu-events/Build | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build
index 7e0c85c..e900ecc 100644
--- a/tools/perf/pmu-events/Build
+++ b/tools/perf/pmu-events/Build
@@ -1,10 +1,12 @@
 jevents-y	+= json.o jsmn.o jevents.o
 pmu-events-y	+= pmu-events.o
-JSON		=  $(shell find pmu-events/arch/$(ARCH) -name '*.json')
 
 #
 # Locate/process JSON files in pmu-events/arch/
 # directory and create tables in pmu-events.c.
 #
-$(OUTPUT)pmu-events/pmu-events.c: $(JSON)
+$(OUTPUT)pmu-events/pmu-events.c: $(wildcard pmu-events/arch/$(ARCH)/*.json) \
+				  $(wildcard pmu-events/arch/$(ARCH)/*/*.json) \
+				  pmu-events/arch/$(ARCH)/mapfile.csv \
+				  $(JEVENTS)
 	$(Q)$(call echo-cmd,gen)$(JEVENTS) $(ARCH) pmu-events/arch $(OUTPUT)pmu-events/pmu-events.c
-- 
2.1.0

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