cmake 判断操做系统平台

camke中判断操做系统平台有两种方法：

1.

MESSAGE(STATUS "operation system is ${CMAKE_SYSTEM}")
 
IF (CMAKE_SYSTEM_NAME MATCHES "Linux")
    MESSAGE(STATUS "current platform: Linux ")
ELSEIF (CMAKE_SYSTEM_NAME MATCHES "Windows")
    MESSAGE(STATUS "current platform: Windows")
ELSEIF (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
    MESSAGE(STATUS "current platform: FreeBSD")
ELSE ()
    MESSAGE(STATUS "other platform: ${CMAKE_SYSTEM_NAME}")
ENDIF (CMAKE_SYSTEM_NAME MATCHES "Linux")
 
MESSAGE(STSTUS "###################################")
2.

IF (WIN32)
    MESSAGE(STATUS "Now is windows")
ELSEIF (APPLE)
    MESSAGE(STATUS "Now is Apple systens.")
ELSEIF (UNIX)
    MESSAGE(STATUS "Now is UNIX-like OS's.")
ENDIF ()
 
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做者：CodeApe123 
来源：CSDN 
原文：https://blog.csdn.net/sean_8180/article/details/81189996 
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