Index: laser_cb_detector/CMakeLists.txt
===================================================================
--- laser_cb_detector.orig/CMakeLists.txt
+++ laser_cb_detector/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 2.8.3)
 project(laser_cb_detector)
 
-find_package(Boost REQUIRED signals thread)
+find_package(Boost REQUIRED thread)
 find_package(catkin REQUIRED actionlib actionlib_msgs cv_bridge image_cb_detector message_filters roscpp settlerlib std_msgs)
 
 add_action_files(DIRECTORY action FILES Config.action)