CMake Policies

CMake Policies are rules that guide how CMake, a tool for managing the build process of software, should behave in different situations. As CMake evolves, new features and changes may affect existing projects. Policies help maintain compatibility by allowing developers to choose between the old behavior (to avoid breaking their projects) and the new behavior (which might offer improvements). Each policy has a unique identifier, and developers can set policies at the start of their CMakeLists.txt files to control how their project interacts with CMake’s evolving standards.