The code for this recipe is available at https://github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-05/recipe-09 and has a C++ example. The recipe is valid with CMake version 3.9 (and higher) and has been tested on GNU/Linux, macOS, and Windows.
CMake offers a domain-specific language to describe how to configure and build a project. It is natural that variables describing particular conditions are introduced and conditional statements based on this are included in CMakeLists.txt.
In this recipe, we will revisit generator expressions, which we used throughout Chapter 4, Creating and Running Tests, to compactly refer to explicit test executable paths. Generator expressions offer a powerful and compact pattern for logical and informational expressions that are evaluated during build system generation and produce...
