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[PATCH 2/3] perf build: Use FEATURE-INCLUDE in bpf subproject

From Jiri Olsa <jolsa@kernel.org>
Newsgroups linux.kernel
Subject [PATCH 2/3] perf build: Use FEATURE-INCLUDE in bpf subproject
Date 2015-11-26 15:00 +0100
Message-ID <qz5fB-5UD-27@gated-at.bofh.it> (permalink)
References <qz5fB-5UD-21@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Using FEATURE-INCLUDE in bpf subproject in case bpf is built
via perf. Keep the current features detection for other cases.

Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-utuczk899ckz6qtggqvhm7yu@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 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 a3caaf3eafbd..f0818f3b0d40 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -71,7 +71,11 @@ FEATURE_DISPLAY = libelf bpf
 INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/arch/$(ARCH)/include/uapi -I$(srctree)/include/uapi
 FEATURE_CHECK_CFLAGS-bpf = $(INCLUDES)
 
+ifeq ($(FEATURES_INCLUDE),)
 include $(srctree)/tools/build/Makefile.feature
+else
+include $(FEATURES_INCLUDE)
+endif
 
 export prefix libdir src obj
 
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 97badfa2a195..d2b20a1f4a21 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -431,7 +431,7 @@ $(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) $(OUTPUT)libbpf.a FEATURES_INCLUDE=$(realpath $(OUTPUT)FEATURE-INCLUDE)
 
 $(LIBBPF)-clean:
 	$(call QUIET_CLEAN, libbpf)
-- 
2.4.3

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Thread

[PATCH 1/3] tools build: Introduce features dump include makefile Jiri Olsa <jolsa@kernel.org> - 2015-11-26 15:00 +0100
  [PATCH 3/3] perf build: Fix traceevent plugins build race Jiri Olsa <jolsa@kernel.org> - 2015-11-26 15:00 +0100
    Re: [PATCH 3/3] perf build: Fix traceevent plugins build race Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-11-26 17:40 +0100
    [tip:perf/core] perf build: Fix traceevent plugins build race tip-bot for Jiri Olsa <tipbot@zytor.com> - 2015-11-27 08:50 +0100
  [PATCH 2/3] perf build: Use FEATURE-INCLUDE in bpf subproject Jiri Olsa <jolsa@kernel.org> - 2015-11-26 15:00 +0100
    Re: [PATCH 2/3] perf build: Use FEATURE-INCLUDE in bpf subproject Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-11-26 17:40 +0100
      Re: [PATCH 2/3] perf build: Use FEATURE-INCLUDE in bpf subproject Jiri Olsa <jolsa@redhat.com> - 2015-11-26 19:20 +0100
      Re: [PATCH 2/3] perf build: Use FEATURE-INCLUDE in bpf subproject Jiri Olsa <jolsa@redhat.com> - 2015-11-26 19:20 +0100
        [PATCH] tools build: Use fixdep with OUTPUT path prefix Jiri Olsa <jolsa@redhat.com> - 2015-11-26 20:00 +0100
          Re: [PATCH] tools build: Use fixdep with OUTPUT path prefix Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-11-26 20:40 +0100
          [tip:perf/core] tools build: Use fixdep with OUTPUT path prefix tip-bot for Jiri Olsa <tipbot@zytor.com> - 2015-11-27 08:50 +0100
  Re: [PATCH 1/3] tools build: Introduce features dump include makefile Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-11-26 17:30 +0100

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