randomconfig fixes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

coreutils/cat.c

@@ -168,9 +168,12 @@ static int catv(unsigned opts, char **argv)
 int cat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cat_main(int argc UNUSED_PARAM, char **argv)
 {
+#if ENABLE_FEATURE_CATV || ENABLE_FEATURE_CATN
 	unsigned opts;
 
-	opts = getopt32(argv, IF_FEATURE_CATV("^")
+	opts =
+#endif
+	getopt32(argv, IF_FEATURE_CATV("^")
 		/* -u is ignored ("unbuffered") */
 		IF_FEATURE_CATV("etvA")IF_FEATURE_CATN("nb")"u"
 		IF_FEATURE_CATV("\0" "Aetv" /* -A == -vet */)

coreutils/ls.c

@@ -482,12 +482,11 @@ static NOINLINE unsigned display_single(const struct dnode *dn)
 	int opt;
 #if ENABLE_FEATURE_LS_FILETYPES || ENABLE_FEATURE_LS_COLOR
 	struct stat statbuf;
-	char append;
+#endif
+#if ENABLE_FEATURE_LS_FILETYPES
+	char append = append_char(dn->dn_mode);
 #endif
 
-#if ENABLE_FEATURE_LS_FILETYPES
-	append = append_char(dn->dn_mode);
-#endif
 	opt = option_mask32;
 
 	/* Do readlink early, so that if it fails, error message

coreutils/stat.c

@@ -759,10 +759,13 @@ int stat_main(int argc UNUSED_PARAM, char **argv)
 	IF_FEATURE_STAT_FORMAT(char *format = NULL;)
 	int i;
 	int ok;
-	unsigned opts;
 	statfunc_ptr statfunc = do_stat;
+#if ENABLE_FEATURE_STAT_FILESYSTEM || ENABLE_SELINUX
+	unsigned opts;
 
-	opts = getopt32(argv, "^"
+	opts =
+#endif
+	getopt32(argv, "^"
 		"tL"
 		IF_FEATURE_STAT_FILESYSTEM("f")
 		IF_SELINUX("Z")

coreutils/uname.c

@@ -127,11 +127,9 @@ int uname_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 {
 	uname_info_t uname_info;
 	IF_UNAME(const char *unknown_str = "unknown";)
-	unsigned toprint;
-
-	toprint = (1 << 4); /* "arch" = "uname -m" */
-
 #if ENABLE_UNAME
+	unsigned toprint = (1 << 4); /* "arch" = "uname -m" */
+
 	if (!ENABLE_BB_ARCH || applet_name[0] == 'u') {
 # if ENABLE_LONG_OPTS
 		static const char uname_longopts[] ALIGN1 =