CMake 3.5 is the minimum required version of CMake for this book. Only a few, specific recipes and examples that demonstrate useful features that were introduced after version 3.5 will require a more recent version of CMake. The introduction to every recipe features an info box, pointing out where the code is available, which examples are given, and the minimum version of CMake required. The info boxes will look like the following box:
Some, if not most, of the recipes will still ...