different binutils versions.

BugLink: https://bugs.launchpad.net/bugs/783660

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
[v2: Changed to modify EXTLIBS]
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
---
 tools/perf/Makefile |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 940257b..61cd6cc 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -564,20 +564,21 @@ else
 		EXTLIBS += -liberty
 		BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
         else
-		FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lbfd
+		LIBBFD := $(shell $(CC) -print-file-name=libbfd.a)
+		FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(LIBBFD)
 		has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD))
 		ifeq ($(has_bfd),y)
-			EXTLIBS += -lbfd
+			EXTLIBS += $(LIBBFD)
 		else
 			FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
 			has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY))
 			ifeq ($(has_bfd_iberty),y)
-				EXTLIBS += -lbfd -liberty
+				EXTLIBS += $(LIBBFD) -liberty
 			else
 				FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
 				has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z))
 				ifeq ($(has_bfd_iberty_z),y)
-					EXTLIBS += -lbfd -liberty -lz
+					EXTLIBS += $(LIBBFD) -liberty -lz
 				else
 					FLAGS_CPLUS_DEMANGLE=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty
 					has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE))
