--- CMakeLists.txt.old	2020-06-02 22:37:39.983352068 +0200
+++ CMakeLists.txt	2020-06-02 22:37:49.753352117 +0200
@@ -15,6 +15,7 @@
 cmake_minimum_required(VERSION 2.8.12)  # Ships with Ubuntu 14.04 (Trusty)
 
 project(cartographer_ros)
+add_compile_options(-std=c++14)
 
 set(PACKAGE_DEPENDENCIES
   cartographer_ros_msgs