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perf build: Warn if libtracefs is not found

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Signed-off-by: Guilherme Amadio <amadio@gentoo.org>
Tested-by: Thorsten Leemhuis <linux@leemhuis.info>
Tested-by: Leo Yan <leo.yan@arm.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Cc: linux-trace-devel@vger.kernel.org
Link: https://lore.kernel.org/r/20240717174739.186988-2-amadio@gentoo.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Guilherme Amadio 2024-07-17 19:47:35 +02:00 committed by Namhyung Kim
parent 7a2fb5619c
commit 37ac347f87
1 changed files with 2 additions and 0 deletions
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2
tools/perf/Makefile.config
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@ -1206,6 +1206,8 @@ ifneq ($(NO_LIBTRACEEVENT),1)
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
$(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
endif
endif