cmake_minimum_required(VERSION 3.0) project(sdl2 NONE) include(ExternalProject) ExternalProject_Add(sdl2 URL https://github.com/libsdl-org/SDL/archive/refs/tags/release-2.0.20.tar.gz SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}/sdl2-src" BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/sdl2-build" CONFIGURE_COMMAND "" BUILD_COMMAND "" INSTALL_COMMAND "" TEST_COMMAND "" )