Warn about unsupported setup data versions

src/setup/info.cpp

@@ -166,6 +166,11 @@ void info::load(std::istream & is, entry_types entries) {
 	
 	version.load(is);
 	
+	if(!version.known) {
+		log_warning << "unexpected setup data version: "
+		            << color::white << version << color::reset;
+	}
+	
 	bool ambiguous = version.is_ambiguous();
 	if(ambiguous) {
 		entries |= NoSkip;

src/setup/version.cpp

@@ -160,10 +160,6 @@ std::ostream & operator<<(std::ostream & os, const version & v) {
 		os << " (" << int(v.bits) << "-bit)";
 	}
 	
-	if(!v.known) {
-		os << " [unsupported]";
-	}
-	
 	return os;
 }