Suggestion was to change ${MACHINE} to i586 in lines in question. Well,
"whatever" doesn't the same (avoids 386 being passed to ./Configure),
consistent with other elder SCO targets and denotes that we probably
shouldn't care much about every out-of-date platform.
diff --git a/config b/config
index a2a5675..72905c9 100755
--- a/config
+++ b/config
@@ -75,9 +75,9 @@
 		;;
 	    4.2MP)
 		case "x${VERSION}" in
-		    x2.0*) echo "${MACHINE}-whatever-unixware20"; exit 0 ;;
-		    x2.1*) echo "${MACHINE}-whatever-unixware21"; exit 0 ;;
-		    x2*)   echo "${MACHINE}-whatever-unixware2";  exit 0 ;;
+		    x2.0*) echo "whatever-whatever-unixware20"; exit 0 ;;
+		    x2.1*) echo "whatever-whatever-unixware21"; exit 0 ;;
+		    x2*)   echo "whatever-whatever-unixware2";  exit 0 ;;
 		esac
 		;;
 	    4.2)