cmake_minimum_required(VERSION 3.16) project(hello-ffmpeg LANGUAGES CXX) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED ON) link_directories("/Users/lenn/ffmpeg_build/lib") include_directories("/Users/lenn/ffmpeg_build/include") add_executable(hello-ffmpeg main.cpp) target_link_libraries(${PROJECT_NAME} PRIVATE avutil) include(GNUInstallDirs) install(TARGETS hello-ffmpeg LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} )