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From: Kyle McMartin on 10 May 2010 16:50
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.

Signed-off-by: Kyle McMartin <kyle(a)redhat.com>
---
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index bc0f670..429bace 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -541,6 +541,9 @@ 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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