CMAKE 中平台判断

CMAKE  中判断当前操作系统平台：

MESSAGE(STSTUS "###################################")

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 "###################################")

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. Including aPPLE os x  and CygWin")
ENDIF ()