Switch to ament_cmake_ros_core package (ros2#489)

Signed-off-by: Scott K Logan <logans@cottsay.net>
Co-authored-by: Scott K Logan <logans@cottsay.net>

Author: Michael Carroll

CMakeLists.txt

@@ -13,8 +13,9 @@ endif()
 
 include(CheckLibraryExists)
 
+find_package(ament_cmake REQUIRED)
 find_package(ament_cmake_python REQUIRED)
-find_package(ament_cmake_ros REQUIRED)
+find_package(ament_cmake_ros_core REQUIRED)
 
 # By default, without the settings below, find_package(Python3) will attempt
 # to find the newest python version it can, and additionally will find the

package.xml

@@ -13,7 +13,8 @@
 
   <author email="karsten@osrfoundation.org">Karsten Knese</author>
 
-  <buildtool_depend>ament_cmake_ros</buildtool_depend>
+  <buildtool_depend>ament_cmake</buildtool_depend>
+  <buildtool_depend>ament_cmake_ros_core</buildtool_depend>
   <buildtool_depend>python3-empy</buildtool_depend>
 
   <depend>libatomic</depend>