-isystem for MS Visual Studio C++ Compiler

Question

I usually like to have a lot of warnings enabled when programming. However, some libraries contains code that easily causes warnings (.., python, Qt, ..). When compiling with gc

Answer 1

No clue why MS never picked this up. We can only try voting on https://visualstudio.uservoice.com/forums/121579-visual-studio-2015/suggestions/14717934-add-a-cl-exe-option-for-system-headers-like-gcc-s