linux-kernel - [PATCH 150/161] tools/perf/build: Simplify the libelf logic

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Date:	Mon, 14 Oct 2013 17:02:19 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>
Subject: [PATCH 150/161] tools/perf/build: Simplify the libelf logic

From: Ingo Molnar <mingo@...nel.org>

Ulrich Drepper and Namhyung Kim reported that the libelf logic in
config/Makefile is duplicated in part.

Remove the duplication, and also remove the now unused FLAGS_LIBELF
variable.

Reported-by: Ulrich Drepper <drepper@...il.com>
Reported-by: Namhyung Kim <namhyung@...nel.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/config/Makefile | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 9524c0c4e88f..d2079220ff87 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -280,7 +280,6 @@ endif # NO_LIBELF
 
 ifndef NO_LIBELF
   CFLAGS += -DHAVE_LIBELF_SUPPORT
-  FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
 
   ifeq ($(feature-libelf-mmap), 1)
     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
@@ -305,13 +304,6 @@ ifndef NO_LIBELF
   endif # NO_DWARF
 endif # NO_LIBELF
 
-ifndef NO_LIBELF
-  CFLAGS += -DHAVE_LIBELF_SUPPORT
-  ifeq ($(feature-libelf-mmap), 1)
-    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
-  endif
-endif # NO_LIBELF
-
 # There's only x86 (both 32 and 64) support for CFI unwind so far
 ifneq ($(ARCH),x86)
   NO_LIBUNWIND := 1
-- 
1.8.1.4

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