Index: usr.bin/elfctl/elfctl.c
===================================================================
--- usr.bin/elfctl/elfctl.c
+++ usr.bin/elfctl/elfctl.c
@@ -233,6 +233,14 @@
 				input |= featurelist[i].value;
 				break;
 			}
+			/* XXX Backwards compatibility for renamed flags. */
+			if (strncmp(featurelist[i].alias, "no", 2) == 0 &&
+			    strcmp(featurelist[i].alias + 2, feature) == 0) {
+				input |= featurelist[i].value;
+				warnx("interpreting %s as %s", feature,
+				    featurelist[i].alias);
+				    break;
+			}
 		}
 		if (i == len) {
 			warnx("%s is not a valid feature", feature);