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 8ff9bfa5e2d5a554b007971effb51e20c77ff94c..9cfa17f5bf072496c00e74f993304d04c1d63051 100644 (file)
--- a/package/devel/perf/Makefile
+++ b/package/devel/perf/Makefile
@@ -26,7 +26,7 @@ include $(INCLUDE_DIR)/package.mk
 define Package/perf
   SECTION:=devel
   CATEGORY:=Development
-  DEPENDS:= +libelf1 +libdw +libpthread +librt +objdump @!LINUX_3_18 @!IN_SDK
+  DEPENDS:= +libelf1 +libdw +libunwind +libpthread +librt +objdump @!LINUX_3_18 @!IN_SDK
   TITLE:=Linux performance monitoring tool
   VERSION:=$(LINUX_VERSION)-$(PKG_RELEASE)
   URL:=http://www.kernel.org