linux-kernel - [PATCH 22/30] perf tools: bfd.h/libbfd detection fails with recent binutils

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Date:	Mon, 24 Sep 2012 12:59:36 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Ingo Molnar <mingo@...hat.com>,
	Mike Frysinger <vapier@...too.org>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 22/30] perf tools: bfd.h/libbfd detection fails with recent binutils

From: Markus Trippelsdorf <markus@...ppelsdorf.de>

With recent binutils I get:

 perf % make
Makefile:668: No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demanglin

That happens because bfd.h now contains:

I've reopened a bug in the hope that this check will be deleted:
http://sourceware.org/bugzilla/show_bug.cgi?id=14243

But in the meantime, the following patch fixes the problem

Signed-off-by: Markus Trippelsdorf <markus@...ppelsdorf.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Mike Frysinger <vapier@...too.org>
Cc: Paul Mackerras <paulus@...ba.org>
Link: http://lkml.kernel.org/r/20120919072902.GA262@x4
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/Makefile      |    2 +-
 tools/perf/util/symbol.h |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 3ae6a59..251dcd7 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -715,7 +715,7 @@ else
 		EXTLIBS += -liberty
 		BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
         else
-		FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lbfd
+		FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
 		has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD))
 		ifeq ($(has_bfd),y)
 			EXTLIBS += -lbfd
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 4ff45e3..b441b07 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -34,6 +34,7 @@ static inline char *bfd_demangle(void __maybe_unused *v,
 	return NULL;
 }
 #else
+#define PACKAGE 'perf'
 #include <bfd.h>
 #endif
 #endif
-- 
1.7.1

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