linux/tools/perf/pmu-events/Build

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hostprogs := jevents
jevents-y += json.o jsmn.o jevents.o
HOSTCFLAGS_jevents.o = -I$(srctree)/tools/include
pmu-events-y += pmu-events.o
JDIR = pmu-events/arch/$(SRCARCH)
JSON = $(shell [ -d $(JDIR) ] && \
find $(JDIR) -name '*.json' -o -name 'mapfile.csv')
#
# Locate/process JSON files in pmu-events/arch/
# directory and create tables in pmu-events.c.
#
$(OUTPUT)pmu-events/pmu-events.c: $(JSON) $(JEVENTS)
$(Q)$(call echo-cmd,gen)$(JEVENTS) $(SRCARCH) pmu-events/arch $(OUTPUT)pmu-events/pmu-events.c $(V)