cmake相关信息

cmake文件【CMakeLists.txt】中获取操作系统信息:

MESSAGE(STATUS "platform: ${CMAKE_SYSTEM_NAME}")
if (UNIX AND NOT APPLE)
    MESSAGE(STATUS "unix")
elseif (WIN32)
    MESSAGE(STATUS "windows")
elseif (APPLE)
    MESSAGE(STATUS "mac os")
else ()
    MESSAGE(STATUS "other platform")
endif ()

查看mac上dylib依赖关系:otool -L ./xxx_lib_or_exec
查看mac上dylib依赖更详细信息:otool -l ./xxx_lib_or_exec

查看linux上so依赖关系:ldd ./xxx_lib_or_exec
精简linux上so大小:strip ./xxx_lib_or_exec