perf: use libunwind

Without libunwind perf does not show userspace stack frames.
Tested on mvebu.

Signed-off-by: Maxim Gorbachyov <maxim.gorbachyov@gmail.com>

diff --git a/package/devel/perf/Makefile b/package/devel/perf/Makefile
index 5bfcaa69947c7191eee09381225199983dd086f7..f5c8c7060a2eb138604805ac1016e07ff318bc34 100644 (file)
--- a/package/devel/perf/Makefile
+++ b/package/devel/perf/Makefile
@@ -26,7 +26,7 @@ include $(INCLUDE_DIR)/package.mk
 define Package/perf
   SECTION:=devel
   CATEGORY:=Development
-  DEPENDS:= +libelf1 +libdw +libpthread +librt +objdump @!LINUX_3_18 @!IN_SDK @!TARGET_arc770 @KERNEL_PERF_EVENTS
+  DEPENDS:= +libelf1 +libdw +libunwind +libpthread +librt +objdump @!LINUX_3_18 @!IN_SDK @!TARGET_arc770 @KERNEL_PERF_EVENTS
   TITLE:=Linux performance monitoring tool
   VERSION:=$(LINUX_VERSION)-$(PKG_RELEASE)
   URL:=http://www.kernel.org