CMAKE_LINK_GROUP_USING_<FEATURE>_SUPPORTED

This variable specifies whether the <FEATURE> is supported regardless of the link language. If this variable is true, then the <FEATURE> must be defined by CMAKE_LINK_GROUP_USING_<FEATURE>.

Note that this variable has no effect if CMAKE_<LANG>_LINK_GROUP_USING_<FEATURE>_SUPPORTED is true for the link language of the target.