be combined with OR */
/* machine flags */
#define GEOS64 0x00
+#define GEOS4 0x04 /* plus4 geos is not or'ed with version */
#define GEOS128 0x80
/* version flags */
#define GEOS_V10 0x10
-#define GEOS_V12 0x12 /* ??? not sure */
+#define GEOS_V11 0x11
+#define GEOS_V12 0x12 /* ??? not sure */
#define GEOS_V20 0x20
#define WHEELS 0x40 /* only Wheels? */