File fix-gslang-cpp17.patch of Package ogre

diff -Nur ogre-13.6.5/CMakeLists.txt new/CMakeLists.txt
--- ogre-13.6.5/CMakeLists.txt	2023-07-07 23:29:06.000000000 +0200
+++ new/CMakeLists.txt	2023-12-18 13:34:50.712483941 +0100
@@ -16,7 +16,7 @@
 
 cmake_minimum_required(VERSION 3.10.0)
 
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
@@ -252,7 +252,7 @@
   set(OGRE_STATIC TRUE CACHE BOOL "Forcing static build for Android" FORCE)
 
   # workaround for the legacy android toolchain
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
 elseif(EMSCRIPTEN)
   add_definitions(-DEMSCRIPTEN=1 -D__EMSCRIPTEN__=1)
   set(TargetPlatform "Emscripten")