List supported features in tinc/tincd --version

[tinc] / src / tincctl.c

diff --git a/src/tincctl.c b/src/tincctl.c
index 8b49c44..a6b400b 100644 (file)
--- a/src/tincctl.c
+++ b/src/tincctl.c
@@ -93,6 +93,17 @@ static struct option const long_options[] = {
 static void version(void) {
        printf("%s version %s (built %s %s, protocol %d.%d)\n", PACKAGE,
               BUILD_VERSION, BUILD_DATE, BUILD_TIME, PROT_MAJOR, PROT_MINOR);
+       printf("Features:"
+#ifdef HAVE_READLINE
+              " readline"
+#endif
+#ifdef HAVE_CURSES
+              " curses"
+#endif
+#ifndef DISABLE_LEGACY
+              " legacy_protocol"
+#endif
+              "\n\n");
        printf("Copyright (C) 1998-2018 Ivo Timmermans, Guus Sliepen and others.\n"
               "See the AUTHORS file for a complete list.\n\n"
               "tinc comes with ABSOLUTELY NO WARRANTY.  This is free software,\n"