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perf tools: Add define for libtracefs version

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This will allow version specific support of libtracefs.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Cc: linux-trace-devel@vger.kernel.org
Link: http://lore.kernel.org/lkml/20210923001024.550263-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2021-09-22 17:10:23 -07:00 committed by Arnaldo Carvalho de Melo
parent 569715164b
commit 359cad09e4
1 changed files with 6 additions and 0 deletions
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6
tools/perf/Makefile.config
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@ -1108,6 +1108,12 @@ ifdef LIBTRACEFS_DYNAMIC
$(call feature_check,libtracefs)
ifeq ($(feature-libtracefs), 1)
EXTLIBS += -ltracefs
LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
else
dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev);
endif