linux-kernel - [PATCH 01/12] perf tools: Move libdw availability check before arch Makefile

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Message-Id: <1348824728-14025-2-git-send-email-namhyung@kernel.org>
Date:	Fri, 28 Sep 2012 18:31:57 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Namhyung Kim <namhyung.kim@....com>
Subject: [PATCH 01/12] perf tools: Move libdw availability check before arch Makefile

From: Namhyung Kim <namhyung.kim@....com>

Since NO_DWARF is used in arch/$(ARCH)/Makefiles, it should be checked
before including those files.  It was moved by mistake during libelf
dependency removal work by me, sorry.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/Makefile | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index e5e71e7d95a0..834f09fa5c62 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -486,7 +486,13 @@ ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF)),y)
 		NO_DWARF := 1
 		NO_DEMANGLE := 1
 	endif
-endif
+else
+	FLAGS_DWARF=$(ALL_CFLAGS) -ldw -lelf $(ALL_LDFLAGS) $(EXTLIBS)
+	ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF)),y)
+		msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
+		NO_DWARF := 1
+	endif # Dwarf support
+endif # SOURCE_LIBELF
 endif # NO_LIBELF
 
 ifndef NO_LIBUNWIND
@@ -532,12 +538,6 @@ ifneq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_COMMON)),y)
 	BASIC_CFLAGS += -DLIBELF_NO_MMAP
 endif
 
-FLAGS_DWARF=$(ALL_CFLAGS) -ldw -lelf $(ALL_LDFLAGS) $(EXTLIBS)
-ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF)),y)
-	msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
-	NO_DWARF := 1
-endif # Dwarf support
-
 ifndef NO_DWARF
 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 	msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
-- 
1.7.11.4

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