inline strcmp(s, "-") [actually macro-ize it for now - gcc is too stupid]
diff --git a/coreutils/env.c b/coreutils/env.c
index 2ce99b0..e4cad27 100644
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -58,7 +58,7 @@
 	opt = getopt32(argc, argv, "+iu:", &unset_env);
 
 	argv += optind;
-	if (*argv && (argv[0][0] == '-') && !argv[0][1]) {
+	if (*argv && LONE_DASH(argv[0])) {
 		opt |= 1;
 		++argv;
 	}