Merge pull request #428 from ANYbotics/mergify/bp/iron/pr-420

Enfore C++17 (backport #420)

Author: Ryanf55

grid_map/CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.5)
 project(grid_map)
 
 if(NOT CMAKE_CXX_STANDARD)
-  set(CMAKE_CXX_STANDARD 14)
+  set(CMAKE_CXX_STANDARD 17)
 endif()
 
 find_package(ament_cmake REQUIRED)

grid_map_cmake_helpers/cmake/grid_map_package.cmake

@@ -12,7 +12,6 @@ macro(grid_map_package)
       "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
   endif()
 
-  # Default to C++14
   if(NOT CMAKE_CXX_STANDARD)
     set(CMAKE_CXX_STANDARD 17)
   endif()