Tests/RunCMake/PrintHelpers/PrintPropertiesBackwardCompat.cmake - third_party/github.com/Kitware/CMake - Git at Google

 include(CMakePrintHelpers)

 add_library(foo INTERFACE)
 set_property(TARGET foo PROPERTY MY_PROP "val")

 cmake_print_properties(TARGETS foo PROPERTIES MY_PROP NOT_SET)
	include(CMakePrintHelpers)

	add_library(foo INTERFACE)
	set_property(TARGET foo PROPERTY MY_PROP "val")

	cmake_print_properties(TARGETS foo PROPERTIES MY_PROP NOT_SET)