Fixed rolling compilation (#195)

Signed-off-by: Alejandro Hernández Cordero <[email protected]>

Author: ahcorde

gazebo_ros2_control/CMakeLists.txt

@@ -39,6 +39,10 @@ ament_target_dependencies(${PROJECT_NAME}
   yaml_cpp_vendor
 )
 
+if("$ENV{ROS_DISTRO}" STREQUAL "rolling")
+  add_definitions(-DROLLING)
+endif()
+
 add_library(gazebo_hardware_plugins SHARED
   src/gazebo_system.cpp
 )

gazebo_ros2_control/src/gazebo_ros2_control_plugin.cpp

@@ -287,7 +287,11 @@ void GazeboRosControlPlugin::Load(gazebo::physics::ModelPtr parent, sdf::Element
   }
 
   for (unsigned int i = 0; i < control_hardware_info.size(); i++) {
+#ifndef ROLLING
+    std::string robot_hw_sim_type_str_ = control_hardware_info[i].hardware_class_type;
+#else
     std::string robot_hw_sim_type_str_ = control_hardware_info[i].hardware_plugin_name;
+#endif
     auto gazeboSystem = std::unique_ptr<gazebo_ros2_control::GazeboSystemInterface>(
       impl_->robot_hw_sim_loader_->createUnmanagedInstance(robot_hw_sim_type_str_));