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+COMPATIBLE_INTERFACE_BOOL
+-------------------------
+
+Properties which must be compatible with their link interface
+
+The COMPATIBLE_INTERFACE_BOOL property may contain a list of
+propertiesfor this target which must be consistent when evaluated as a
+boolean in the INTERFACE of all linked dependees. For example, if a
+property "FOO" appears in the list, then for each dependee, the
+"INTERFACE_FOO" property content in all of its dependencies must be
+consistent with each other, and with the "FOO" property in the
+dependee. Consistency in this sense has the meaning that if the
+property is set, then it must have the same boolean value as all
+others, and if the property is not set, then it is ignored. Note that
+for each dependee, the set of properties from this property must not
+intersect with the set of properties from the
+COMPATIBLE_INTERFACE_STRING property.