Merge pull request 'Bump C++ standard to C++17' (#622) from mueller/cpp17-update into development

Reviewed-on: #622

CHANGELOG.md

@@ -12,6 +12,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Changes
 
+- Bump C++ required version to C++17. Every project which uses the FSFW and every modern
+  compiler supports it
+  PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/622
 - HAL Linux SPI: Set the Clock Default State when setting new SPI speed
   and mode
   PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/573

CMakeLists.txt

@@ -4,10 +4,10 @@ set(LIB_FSFW_NAME fsfw)
 project(${LIB_FSFW_NAME})
 
 if(NOT CMAKE_CXX_STANDARD)
-    set(CMAKE_CXX_STANDARD 11)
+    set(CMAKE_CXX_STANDARD 17)
     set(CMAKE_CXX_STANDARD_REQUIRED True)
-elseif(${CMAKE_CXX_STANDARD} LESS 11)
-    message(FATAL_ERROR "Compiling the FSFW requires a minimum of C++11 support")
+elseif(${CMAKE_CXX_STANDARD} LESS 17)
+    message(FATAL_ERROR "Compiling the FSFW requires a minimum of C++17 support")
 endif()
 
 set(FSFW_VERSION 4)