• list: List operations.
      list(LENGTH <list> <output variable>)
    list(GET <list> <element index> [<element index> ...] <output variable>)
    list(APPEND <list> <element> [<element> ...])
    list(FIND <list> <value> <output variable>)
    list(INSERT <list> <element_index> <element> [<element> ...])
    list(REMOVE_ITEM <list> <value> [<value> ...])
    list(REMOVE_AT <list> <index> [<index> ...])
    list(REMOVE_DUPLICATES <list>)
    list(REVERSE <list>)
    list(SORT <list>)

    LENGTH will return a given list's length.

    GET will return list of elements specified by indices from the list.

    APPEND will append elements to the list.

    FIND will return the index of the element specified in the list or -1 if it wasn't found.

    INSERT will insert elements to the list to the specified location.

    REMOVE_AT and REMOVE_ITEM will remove items from the list. The difference is that REMOVE_ITEM will remove the given items, while REMOVE_AT will remove the items at the given indices.

    REMOVE_DUPLICATES will remove duplicated items in the list.

    REVERSE reverses the contents of the list in-place.

    SORT sorts the list in-place alphabetically.

    NOTES: A list in cmake is a ; separated group of strings. To create a list the set command can be used. For example, set(var a b c d e) creates a list with a;b;c;d;e, and set(var "a b c d e") creates a string or a list with one item in it.

    When specifying index values, if <element index> is 0 or greater, it is indexed from the beginning of the list, with 0 representing the first list element. If <element index> is -1 or lesser, it is indexed from the end of the list, with -1 representing the last list element. Be careful when counting with negative indices: they do not start from 0. -0 is equivalent to 0, the first list element.