include(ExternalProject) ExternalProject_Add(external_assimp GIT_REPOSITORY https://github.com/assimp/assimp.git GIT_TAG v5.2.5 GIT_SUBMODULES_RECURSE true GIT_PROGRESS true CMAKE_ARGS -D CMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR} -D CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -D ASSIMP_INSTALL=NO -D ASSIMP_BUILD_TESTS=NO ) message("Downloaded assimp library")