if(DEFINED CRC_LIBRARY) return() else() set(CRC_LIBRARY 1) endif() project(crc) if(TARGET ${PROJECT_NAME}) message("The ${PROJECT_NAME} arledy included in main Project") return() endif() cmake_minimum_required(VERSION 3.1) set(CMAKE_INCLUDE_CURRENT_DIR ON) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED ON) option(BUILD_SHARED_LIBS "Enable or disable shared libraries" OFF) file(GLOB SOURCE_CPP "crc/*.h" "crc/*.cpp" "crc/*.c" ) add_library(${PROJECT_NAME} ${SOURCE_CPP}) target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_LIST_DIR})