linux-kernel - [PATCH 21/23] perf: consolidate CONFIG

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Date:	Mon,  1 Apr 2013 21:54:35 -0600
From:	David Ahern <dsahern@...il.com>
To:	acme@...stprotocols.net, linux-kernel@...r.kernel.org
Cc:	David Ahern <dsahern@...il.com>, Borislav Petkov <bp@...en8.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 21/23] perf: consolidate CONFIG_DWARF checks in Makefile

Signed-off-by: David Ahern <dsahern@...il.com>
Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
---
 tools/perf/Makefile |   12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index a3a62611..5037856 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -563,6 +563,11 @@ ifdef CONFIG_LIBELF
 		LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
 	endif
 
+    FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+    ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
+	    BASIC_CFLAGS += -DLIBELF_MMAP
+    endif
+
     # libelf supported - what about dwarf?
     ifdef CONFIG_DWARF
         FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
@@ -570,14 +575,7 @@ ifdef CONFIG_LIBELF
             $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138.ables dwarf support.)
             $(error Please install new elfutils-devel/libdw-dev or disable CONFIG_DWARF);
         endif
-    endif
 
-    FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
-    ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
-	    BASIC_CFLAGS += -DLIBELF_MMAP
-    endif
-
-    ifdef CONFIG_DWARF
         ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 	        msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
         else
-- 
1.7.10.1

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