File itpp-limit-gcc-standard.patch of Package itpp

diff -up itpp-4.3.1/CMakeLists.txt.aaaa itpp-4.3.1/CMakeLists.txt
--- itpp-4.3.1/CMakeLists.txt.aaaa	2022-03-30 23:58:28.252182813 +0200
+++ itpp-4.3.1/CMakeLists.txt	2022-03-31 00:02:33.936438377 +0200
@@ -28,6 +28,7 @@
 cmake_minimum_required ( VERSION 2.8.11 )
 
 set ( CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules/ ${CMAKE_MODULE_PATH} )
+set ( CMAKE_CXX_STANDARD 14 )
 
 project(ITPP)