project(pistache) include(ExternalProject) set(PISTACHE_BINARY_DIR ${THIRD_PARTY_DIR}/pistache) ExternalProject_Add(${PROJECT_NAME}_extern GIT_REPOSITORY https://github.com/pistacheio/pistache.git GIT_TAG master BINARY_DIR ${PISTACHE_BINARY_DIR} INSTALL_COMMAND "" ) add_library(${PROJECT_NAME} STATIC IMPORTED) add_dependencies(${PROJECT_NAME} ${PROJECT_NAME}_extern) set_target_properties(${PROJECT_NAME} PROPERTIES IMPORTED_LOCATION "${PISTACHE_BINARY_DIR}/lib/libpistache.a") #file(MAKE_DIRECTORY "${PISTACHE_BINARY_DIR}/include") target_include_directories(${PROJECT_NAME} SYSTEM INTERFACE "${PISTACHE_BINARY_DIR}/include/")