[PATCH] perf, tools: Support static linking with libdw

[Andi Kleen]

From: Andi Kleen <ak@xxxxxxxxxxxxxxx>

The Fedora 22 version of libdw requires a couple of extra libraries
to link. With a dynamic link the dependencies are pulled in automatically,
but this doesn't work for static linking. Add the needed libraries
explicitely to the feature probe and the Makefile.

Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
---
 tools/build/feature/Makefile | 2 +-
 tools/perf/config/Makefile   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 463ed8f..179fc1a 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -70,7 +70,7 @@ test-glibc.bin:
 	$(BUILD)
 
 test-dwarf.bin:
-	$(BUILD) -ldw
+	$(BUILD) -ldw -lelf -lebl -lz -llzma -lbz2
 
 test-libelf-mmap.bin:
 	$(BUILD) -lelf
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 094ddae..384e0a6 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -297,7 +297,7 @@ ifndef NO_LIBELF
     else
       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
       LDFLAGS += $(LIBDW_LDFLAGS)
-      EXTLIBS += -ldw
+      EXTLIBS += -ldw -lelf -lebl -lz -lbz2 -llzma
       $(call detected,CONFIG_DWARF)
     endif # PERF_HAVE_DWARF_REGS
   endif # NO_DWARF
-- 
2.4.3

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