Tests/RunCMake/InstallPackageInfo/ExperimentalWarning.cmake - third_party/github.com/Kitware/CMake - Git at Google

 set(
   CMAKE_EXPERIMENTAL_EXPORT_PACKAGE_INFO
   "b80be207-778e-46ba-8080-b23bba22639e"
   )

 add_library(foo INTERFACE)
 install(TARGETS foo EXPORT foo DESTINATION .)
 install(PACKAGE_INFO foo DESTINATION cps EXPORT foo)
	set(
	CMAKE_EXPERIMENTAL_EXPORT_PACKAGE_INFO
	"b80be207-778e-46ba-8080-b23bba22639e"
	)

	add_library(foo INTERFACE)
	install(TARGETS foo EXPORT foo DESTINATION .)
	install(PACKAGE_INFO foo DESTINATION cps EXPORT foo)