FetchContent, introduced in CMake 3.11, simplifies the process of downloading and building dependencies. It is particularly useful for integrating libraries like wxWidgets into your project.

In this article I’ll show you how to create a native-looking UI application in C++ and build it on each of the major platforms (Windows, Linux, Mac OS) using a single build script code.

You can download the full source code of the sample program from github: https://github.com/lszl84/wx_cmake_template . Also, check the YouTube video below, which describes the process in detail, showing how this works on each of the aforementioned platforms: