New in version 3.7.
This read-only directory property contains a
semicolon-separated list of buildsystem targets added in the
directory by calls to the
add_custom_target() commands. The list does not include any
Imported Targets or Alias Targets, but does include
Interface Libraries. Each entry in the list is the logical name
of a target, suitable to pass to the
See also the
IMPORTED_TARGETS directory property.