Tests/RunCMake/FeatureSummary/FeatureSummaryWhatSingleUnknown.cmake - cmake - Git at Google

 include(FeatureSummary)

 set(WITH_FOO 1)
 set(WITH_BAR 0)

 add_feature_info(Foo WITH_FOO "Foo.")
 add_feature_info(Bar WITH_BAR "Bar.")

 feature_summary(WHAT FOO)
	include(FeatureSummary)

	set(WITH_FOO 1)
	set(WITH_BAR 0)

	add_feature_info(Foo WITH_FOO "Foo.")
	add_feature_info(Bar WITH_BAR "Bar.")

	feature_summary(WHAT FOO)