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Message-Id: <20110506002215.460216717@clark.kroah.org>
Date: Thu, 05 May 2011 17:21:29 -0700
From: Greg KH <gregkh@...e.de>
To: linux-kernel@...r.kernel.org, stable@...nel.org
Cc: stable-review@...nel.org, torvalds@...ux-foundation.org,
akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
Ingo Molnar <mingo@...e.hu>, Kyle McMartin <kyle@...hat.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [104/143] perf symbols: allow forcing use of cplus_demangle
2.6.32-longterm review patch. If anyone has any objections, please let us know.
------------------
From: Kyle McMartin <kyle@...artin.ca>
commit d11c7addfe0fa501cb54c824c0fac3481d527433 upstream.
For Fedora, I want to force perf to link against libiberty.a for
cplus_demangle, rather than libbfd.a for bfd_demangle due to licensing insanity
on binutils. (libiberty is LGPL2, libbfd is GPL3.)
If we just rely on autodetection, we'll end up with libbfd linked against us,
since they're both in binutils-static in the buildroot.
Cc: Ingo Molnar <mingo@...e.hu>
LKML-Reference: <20100510204335.GA7565@...badil.infradead.org>
Signed-off-by: Kyle McMartin <kyle@...hat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
tools/perf/Makefile | 3 +++
1 file changed, 3 insertions(+)
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -450,6 +450,9 @@ endif
ifdef NO_DEMANGLE
BASIC_CFLAGS += -DNO_DEMANGLE
+else ifdef HAVE_CPLUS_DEMANGLE
+ EXTLIBS += -liberty
+ BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
else
has_bfd := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) -lbfd "$(QUIET_STDERR)" && echo y")
--
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