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

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

 # Try exporting with an unrecognized schema.
 install(
   PACKAGE_INFO foo
   EXPORT foo
   VERSION "irrelevant"
   VERSION_SCHEMA "unrecognized"
 )
	add_library(foo INTERFACE)
	install(TARGETS foo EXPORT foo DESTINATION .)

	# Try exporting with an unrecognized schema.
	install(
	PACKAGE_INFO foo
	EXPORT foo
	VERSION "irrelevant"
	VERSION_SCHEMA "unrecognized"
	)