How to do a toolchain configuration for wxwidgets/c++ project?

I am looking for a suitable toolchain configuration for my project, because it should work on windows as well on linux (I programm it on linux). It is a tool for msp430 Texas Instruments MCUs.

I programm it in the language c++, so I will need a c++ compiler, flex, bison >= 3.0 and wxwidgets 3.1.0.

I am thinking about https://buildroot.org/ or http://ift.tt/1mhTH2d or crossNG or something similar.

But I do not have any experience with those tools. Maybe it is also the wrong approach, so please, can somebody tell how to configure a toolchain working on linux as well windows (mingw).