some required changes for noetic

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.0.2)
 project(simulation_util)
 
 # Compile as C++14
-add_compile_options(-std=c++14)
+add_compile_options(-std=c++17)
 
 ## Find catkin macros and libraries
 ## if COMPONENTS list like find_package(catkin REQUIRED COMPONENTS xyz)
@@ -120,8 +120,9 @@ catkin_package(
 ## Your package locations should be listed before other locations
 include_directories(
   include
+  /usr/include/sdformat-9.2
+  /usr/include/ignition/math6
   ${catkin_INCLUDE_DIRS}
-  ${SDFormat_INCLUDE_DIRS}
 )
 
 ## Declare a C++ library

src/GazeboZoneSpawner.cpp

@@ -6,7 +6,7 @@
 
 #include "GazeboZoneSpawner.h"
 
-#include <sdformat-6.0/sdf/sdf.hh>  // for sdf model parsing
+#include <sdf/sdf.hh>  // for sdf model parsing
 #include <gazebo_msgs/SpawnModel.h> // service definition for spawning things in gazebo
 #include <ros/ros.h>
 #include <ros/package.h>