cmake_minimum_required(VERSION 3.0) set(CMAKE_FIND_PACKAGE_PREFER_CONFIG ON) project(hello_world_rec) set(CMAKE_CXX_STANDARD 14) set(CMAKE_CXX_STANDARD_REQUIRED ON) find_package(eCAL REQUIRED) set(source_files main.cpp ) add_executable(${PROJECT_NAME} ${source_files}) target_link_libraries(${PROJECT_NAME} eCAL::core )