1CMAKE_SYSTEM
2------------
3
4Composite name of operating system CMake is compiling for.
5
6This variable is the composite of :variable:`CMAKE_SYSTEM_NAME` and
7:variable:`CMAKE_SYSTEM_VERSION`, e.g.
8``${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_VERSION}``.  If
9:variable:`CMAKE_SYSTEM_VERSION` is not set, then this variable is
10the same as :variable:`CMAKE_SYSTEM_NAME`.
11