migration.c:293: undefined reference to `__sync_val_compare_and_swap_4'

[therock247uk]

latest git qemu error i get on compiling with mingw

  LINK i386-softmmu/qemu-system-i386w.exe
../migration.o: In function `migrate_finish_set_state':
C:\MinGW\msys\1.0\home\therock247uk\qemu/migration.c:293: undefined reference to
 `__sync_val_compare_and_swap_4'
C:\MinGW\msys\1.0\home\therock247uk\qemu/migration.c:293: undefined reference to
 `__sync_val_compare_and_swap_4'
C:\MinGW\msys\1.0\home\therock247uk\qemu/migration.c:293: undefined reference to
 `__sync_val_compare_and_swap_4'
collect2.exe: error: ld returned 1 exit status
make[1]: *** [qemu-system-i386w.exe] Error 1
make: *** [subdir-i386-softmmu] Error 2

[Stefan Hajnoczi (stefanha)]

On Mon, May 13, 2013 at 08:46:27PM -0000, therock247uk wrote:
> Public bug reported:
>
> latest git qemu error i get on compiling with mingw
>
> LINK i386-softmmu/qemu-system-i386w.exe
> ../migration.o: In function `migrate_finish_set_state':
> C:\MinGW\msys\1.0\home\therock247uk\qemu/migration.c:293: undefined reference to
> `__sync_val_compare_and_swap_4'
> C:\MinGW\msys\1.0\home\therock247uk\qemu/migration.c:293: undefined reference to
> `__sync_val_compare_and_swap_4'
> C:\MinGW\msys\1.0\home\therock247uk\qemu/migration.c:293: undefined reference to
> `__sync_val_compare_and_swap_4'
> collect2.exe: error: ld returned 1 exit status
> make[1]: *** [qemu-system-i386w.exe] Error 1
> make: *** [subdir-i386-softmmu] Error 2

Please post your gcc version:

  $ gcc --version

[therock247uk (therock247uk)]

therock247uk@dell-PC ~
$ gcc --version
gcc.exe (GCC) 4.7.2
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

therock247uk@dell-PC ~
$

[Thomas Huth (th-huth)]

I assume this had been fixed by this commit here: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=1405b6290fa2143e02dce - so I'm closing this ticket now. If you still hit the problem with the latest version of QEMU, please feel free to open this ticket again.