Bump C++ version to c++14

This is a provisional bump.  If supported platforms
(http://kicad-pcb.org/help/system-requirements/#_specific_system_requirements)
experience issues with this version we will revert back to c++11.

No code that requires c++14 will be committed yet.

CMakeLists.txt

@@ -140,8 +140,8 @@ set( CMAKE_VISIBILITY_INLINES_HIDDEN ON )
 # Global setting: build everything position independent
 set( CMAKE_POSITION_INDEPENDENT_CODE ON )
 
-# Global setting: Use C++11
-set(CMAKE_CXX_STANDARD 11)
+# Global setting: Use C++14
+set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 

Documentation/development/technical_todo.md

@@ -63,6 +63,7 @@ Some compilers have bugs or limitations to C++ standard support.
 Current versions:
 
 * Debian Stretch: [6.3.0](https://packages.debian.org/stretch/gcc)
+* Debian Buster: [8.3.0](https://packages.debian.org/buster/gcc)
 * Ubuntu 14.04: [4.8.2](https://packages.ubuntu.com/trusty/gcc)
 * Ubuntu 16.04: [5.3.1](https://packages.ubuntu.com/xenial/gcc)
 * Ubuntu 18.04: [7.3.0](https://packages.ubuntu.com/bionic/gcc)