cmake_minimum_required(VERSION 3.10) project(lwip) set(LWIP_DIR lwip) set(LWIP_INCLUDE_DIRS ${LWIP_ADDITIONAL_INCLUDE_DIR} lwip/src/include ) include(lwip/src/Filelists.cmake) add_library(${PROJECT_NAME} INTERFACE) target_link_libraries(${PROJECT_NAME} INTERFACE lwipcore) target_include_directories(${PROJECT_NAME} INTERFACE ${LWIP_INCLUDE_DIRS})