--- a/configure	Tue Mar 14 20:56:07 2006 +0000
+++ b/configure	Tue Mar 14 20:59:03 2006 +0000
@@ -219,7 +219,7 @@
 			PARAM="$PARAM MINGW=1 WIN32=1"
 			;;
 		*)
-			echo "Unknown OS: $OS"
+			echo "Unknown OS: $TARGET_OS"
 			exit 1
 			;;
 	esac