perf tools: bfd.h/libbfd detection fails with recent binutils

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@trippelsdorf.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Paul Mackerras <paulus@samba.org>
Link: http://lkml.kernel.org/r/20120919072902.GA262@x4
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 3ae6a59..251dcd7 100644 (file)
--- 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 (file)
--- 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