# Dependency providers were introduced in CMake 3.24. We don't set cmake_minimum_required here because that would # propagate to downstream projects, which may break projects that rely on deprecated CMake behavior. Since the build # is using brewed CMake, we can assume that the CMake version in use is at least 3.24. option(HOMEBREW_ALLOW_FETCHCONTENT "Allow FetchContent to be used in Homebrew builds" OFF) if (HOMEBREW_ALLOW_FETCHCONTENT) return() endif() macro(trap_fetchcontent_provider method depName) message(FATAL_ERROR "Refusing to populate dependency '${depName}' with FetchContent while building in Homebrew, please use a formula dependency or add a resource to the formula.") endmacro() cmake_language( SET_DEPENDENCY_PROVIDER trap_fetchcontent_provider SUPPORTED_METHODS FETCHCONTENT_MAKEAVAILABLE_SERIAL )