CMAKE_LIBRARY_OUTPUT_DIRECTORY CMAKE_LIBRARY_OUTPUT_DIRECTORY_<CONFIG> CMAKE_RUNTIME_OUTPUT_DIRECTORY CMAKE_RUNTIME_OUTPUT_DIRECTORY_<CONFIG> 区别系统 CMAKE_HOST_WIN32 CMAKE_HOST_UNIX(注意macos也属于unix) CMAKE_HOST_APPLE CMAKE_SYSTEM_NAME CMAKE_HOST_SYSTEM_PROCESSOR (uname -p 或%PROCESSOR_...