PID: 0.138
device: 0.136
socket: 0.108
semantic: 0.103
debug: 0.096
other: 0.087
vnc: 0.075
files: 0.055
permissions: 0.054
boot: 0.038
network: 0.037
performance: 0.029
graphic: 0.027
KVM: 0.019
files: 0.275
vnc: 0.175
debug: 0.155
semantic: 0.067
device: 0.061
boot: 0.058
PID: 0.056
other: 0.037
socket: 0.033
performance: 0.022
KVM: 0.020
network: 0.019
graphic: 0.011
permissions: 0.010

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

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

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@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 ~
$

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.