From b8e52be00ca7e7659e8ee172ce9e6f0c6af28ec8 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Fri, 15 Jan 2016 04:00:17 +0000 Subject: [PATCH] perf build: Add feature-dump target To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY) if defined, with no further action. Get feature dump of the current build: $ make feature-dump BUILD: Doing 'make -j4' parallel build Auto-detecting system features: ... dwarf: [ on ] FEATURE-DUMP file available in FEATURE-DUMP Get feature dump static build into /tmp/fd file: $ make feature-dump FEATURE_DUMP_COPY=/tmp/fd LDFLAGS=-static BUILD: Doing 'make -j4' parallel build Auto-detecting system features: ... dwarf: [ OFF ] SNIP FEATURE-DUMP file copied into /tmp/fd Suggested-by: Wang Nan Signed-off-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: Zefan Li Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1452830421-77757-6-git-send-email-wangnan0@huawei.com Signed-off-by: Wang Nan Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile.perf | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 0a22407e1d7d..f758a72df1b3 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -610,6 +610,17 @@ clean: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean $(python-clean) +# +# To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY) +# file if defined, with no further action. +feature-dump: +ifdef FEATURE_DUMP_COPY + @cp $(OUTPUT)FEATURE-DUMP $(FEATURE_DUMP_COPY) + @echo "FEATURE-DUMP file copied into $(FEATURE_DUMP_COPY)" +else + @echo "FEATURE-DUMP file available in $(OUTPUT)FEATURE-DUMP" +endif + # # Trick: if ../../.git does not exist - we are building out of tree for example, # then force version regeneration: -- 2.20.1