The code for this recipe is available at https://github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-10/recipe-02 and has a C++ example. The recipe is valid with CMake version 3.6 (and higher) and has been tested on GNU/Linux, macOS, and Windows.
Let us imagine that the small library that we have introduced has become hugely popular, with many people using it. However, some clients would also like a static library to be available with the installation. Other clients have noticed that all symbols are visible in the shared library. Best practices dictate that shared libraries only expose the minimal amount of symbols, thus limiting the visibility to the outside world of objects and functions defined in the code. We want to make sure that by default all symbols defined in our shared library are hidden from the outside world. This will force contributors...
