xtables: print enabled status on startup

Meant to test #372.

src/common/xlat.h

@@ -10,7 +10,7 @@
 #define JOOL_VERSION_MAJOR 4
 #define JOOL_VERSION_MINOR 1
 #define JOOL_VERSION_REV 6
-#define JOOL_VERSION_DEV 0
+#define JOOL_VERSION_DEV 1
 
 /** See http://stackoverflow.com/questions/195975 */
 #define STR_VALUE(arg) #arg

src/mod/nat64/jool.c

@@ -92,6 +92,13 @@ static int __init nat64_init(void)
 
 	pr_debug("%s", banner);
 	pr_debug("Inserting NAT64 Jool...\n");
+
+#ifdef XTABLES_DISABLED
+	pr_info("(Xtables disabled)\n");
+#else
+	pr_info("(Xtables enabled)\n");
+#endif
+
 	/* Careful with the order */
 
 	error = register_pernet_subsys(&joolns_ops);

src/mod/siit/jool_siit.c

@@ -58,6 +58,13 @@ static int __init siit_init(void)
 	int error;
 
 	pr_debug("Inserting SIIT Jool...\n");
+
+#ifdef XTABLES_DISABLED
+	pr_info("(Xtables disabled)\n");
+#else
+	pr_info("(Xtables enabled)\n");
+#endif
+
 	/* Careful with the order */
 
 	error = register_pernet_subsys(&joolns_ops);

src/usr/argp/main.c

@@ -639,6 +639,12 @@ int jool_main(int argc, char **argv)
 	char *iname = NULL;
 	struct jool_result result;
 
+#ifdef XTABLES_DISABLED
+	printf("(Xtables disabled)\n");
+#else
+	printf("(Xtables enabled)\n");
+#endif
+
 	if (argc == 1)
 		return show_help(argv[0]);