if(TARGET tight_inclusion::tight_inclusion) return() endif() message(STATUS "Third-party: creating target 'tight_inclusion::tight_inclusion'") include(FetchContent) FetchContent_Declare( tight_inclusion GIT_REPOSITORY https://github.com/Continuous-Collision-Detection/Tight-Inclusion.git GIT_TAG b913416aecf1bbb8a51726039dcb94f395849cab GIT_SHALLOW FALSE ) FetchContent_MakeAvailable(tight_inclusion) add_library(tight_inclusion::tight_inclusion ALIAS tight_inclusion)