| From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 19/59] perf build: Use FEATURE-DUMP in bpf subproject | Date | Fri, 8 Jan 2016 15:02:26 -0300 |
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From: Jiri Olsa <jolsa@kernel.org>
Using FEATURE-DUMP in bpf subproject for features detection in case bpf is built via perf. Keeping the current features detection otherwise.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Wang Nan <wangnan0@huawei.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama <pi3orama@163.com> Link: http://lkml.kernel.org/r/1450893514-9158-6-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/lib/bpf/Makefile | 4 ++++ tools/perf/Makefile.perf | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index 636e3ddb93a1..919b71780710 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -80,7 +80,11 @@ endif endif ifeq ($(check_feat),1) +ifeq ($(FEATURES_DUMP),) include $(srctree)/tools/build/Makefile.feature +else +include $(FEATURES_DUMP) +endif endif export prefix libdir src obj diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 569fcf022531..404e3b1c4e31 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -436,7 +436,7 @@ $(LIBAPI)-clean: $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null $(LIBBPF): fixdep FORCE - $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) $(OUTPUT)libbpf.a + $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) $(OUTPUT)libbpf.a FEATURES_DUMP=$(realpath $(OUTPUT)FEATURE-DUMP) $(LIBBPF)-clean: $(call QUIET_CLEAN, libbpf) -- 2.1.0
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