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[Qemu-trivial] [PULL 06/16] vl: fix build when configured with no graphi


From: Michael Tokarev
Subject: [Qemu-trivial] [PULL 06/16] vl: fix build when configured with no graphic support
Date: Wed, 13 Nov 2013 17:01:10 +0400

From: Antony Pavlov <address@hidden>

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 <address@hidden>
Reviewed-by: Stefan Weil <address@hidden>
Signed-off-by: Michael Tokarev <address@hidden>
---
 vl.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/vl.c b/vl.c
index 4ad15b8..b5ec266 100644
--- a/vl.c
+++ b/vl.c
@@ -4267,6 +4267,7 @@ int main(int argc, char **argv, char **envp)
     /* 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:
-- 
1.7.10.4




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