[CMake] Checking for empty list

[Rolf Eike Beer]

> Hi,
> I know it should be out there somewhere in the documentation, but can't
find
> it.
> How do I check for an empty list?
> I can use LIST(LENGTH MYLIST LISTCOUNT) with an extra variable LISTCOUNT
but
> isn't there a single command?

if (MYLIST)

Eike