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vl: fix build when configured with no graphic support

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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>
This commit is contained in:
Antony Pavlov 2013-10-29 08:36:31 +04:00 • committed by Michael Tokarev
parent d9570cadd5
commit 8111d02878
1 changed files with 1 additions and 0 deletions
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vl.c
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@ -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: