This is a note to let you know that I've just added the patch titled
perf symbols: allow forcing use of cplus_demangle
to the 2.6.32-longterm tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/longterm/longterm-queue-2.6.32.git;a=summary
The filename of the patch is:
perf-symbols-allow-forcing-use-of-cplus_demangle.patch
and it can be found in the queue-2.6.32 subdirectory.
If you, or anyone else, feels it should not be added to the 2.6.32 longterm
tree,
please let <[email protected]> know about it.
>From 9dc686c674ca95daee067bd9b8df28bc1f49d1a2 Mon Sep 17 00:00:00 2001
From: Kyle McMartin <[email protected]>
Date: Mon, 10 May 2010 16:43:35 -0400
Subject: perf symbols: allow forcing use of cplus_demangle
From: Kyle McMartin <[email protected]>
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 <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Kyle McMartin <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
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")
Patches currently in longterm-queue-2.6.32 which might be from [email protected]
are
/home/gregkh/linux/longterm/longterm-queue-2.6.32/queue-2.6.32/perf-symbols-allow-forcing-use-of-cplus_demangle.patch
/home/gregkh/linux/longterm/longterm-queue-2.6.32/queue-2.6.32/perf-tools-check-if-dev-null-can-be-used-as-the-o-gc.patch
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