vl: fix build when configured with no graphic support
The following error occurs when building with no graphic output support:
vl.c: In function ‘main’:
vl.c:2829:19: error: variable ‘ds’ set but not used [-Werror=unused-but-set-variable]
DisplayState *ds;
^
cc1: all warnings being treated as errors
To reproduce this issue, just run:
$ ./configure \
--disable-curses \
--disable-sdl \
--disable-cocoa \
--disable-gtk \
--disable-vnc \
--enable-werror
$ make vl.o
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/vl.c b/vl.c
index 4ad15b8..b5ec266 100644
--- a/vl.c
+++ b/vl.c
@@ -4267,6 +4267,7 @@
/* init local displays */
switch (display_type) {
case DT_NOGRAPHIC:
+ (void)ds; /* avoid warning if no display is configured */
break;
#if defined(CONFIG_CURSES)
case DT_CURSES:
