Use modern CMake to link against yaml-cpp (#1295)

* Use modern CMake to link against yaml-cpp
* Remove direct yaml-cpp include

Author: urfeex

ur_calibration/CMakeLists.txt

@@ -17,11 +17,9 @@ find_package(rclcpp REQUIRED)
 find_package(ur_robot_driver REQUIRED)
 
 find_package(Eigen3 REQUIRED)
-find_package(yaml-cpp REQUIRED)
+find_package(yaml_cpp_vendor REQUIRED)
 find_package(ur_client_library REQUIRED)
 
-set(YAML_CPP_INCLUDE_DIRS ${YAML_CPP_INCLUDE_DIR})
-
 ###########
 ## Build ##
 ###########
@@ -34,10 +32,9 @@ target_include_directories(calibration
   PUBLIC
     include
     ${EIGEN3_INCLUDE_DIRS}
-    ${YAML_CPP_INCLUDE_DIRS}
 )
 target_link_libraries(calibration
-  ${YAML_CPP_LIBRARIES}
+  yaml-cpp
 )
 ament_target_dependencies(calibration
   rclcpp

ur_calibration/package.xml

@@ -20,7 +20,7 @@
   <depend>ur_robot_driver</depend>
 
   <depend>eigen</depend>
-  <depend>yaml-cpp</depend>
+  <depend>yaml_cpp_vendor</depend>
 
   <test_depend>ament_cmake_gmock</test_depend>
   <test_depend>ament_cmake_gtest</test_depend>