gperf needed

package/xcb-util/Makefile

@@ -9,7 +9,7 @@ PKG_RELEASE:=		1
 PKG_HASH:=		ebb4064db813bfbfedfa30086483e73404f5358fab38698e584c195dc74bd609
 PKG_DESCR:=		libraries which sit on top of libxcb
 PKG_DEPENDS:=		libxcb
-PKG_BUILDDEP:=		libxcb
+PKG_BUILDDEP:=		libxcb gperf-host
 PKG_SECTION:=		x11/libs
 PKG_SITES:=		http://xcb.freedesktop.org/dist/