Re: [Qemu-devel] Failure to compile latest git (ta rget-i386/kvm.c:953:29: error: variable ‘fop’ set but not used)

[Stefan Hajnoczi]

On Thu, Apr 21, 2011 at 3:10 PM, Yaniv Kaul <address@hidden> wrote:
> Fedora 15beta/x64, latest git:
> address@hidden qemu]$ make
>  CC    x86_64-softmmu/kvm.o
> /home/ykaul/qemu/target-i386/kvm.c: In function ‘kvm_get_xsave’:
> /home/ykaul/qemu/target-i386/kvm.c:953:29: error: variable ‘fop’ set but not
> used [-Werror=unused-but-set-variable]
> cc1: all warnings being treated as errors
>
> make[1]: *** [kvm.o] Error 1
> make: *** [subdir-x86_64-softmmu] Error 2
>
>
> address@hidden qemu]$ gcc --version
> gcc (GCC) 4.6.0 20110419 (Red Hat 4.6.0-5)
>
>
> - Does happen even though I've used --target-list=x86_64-softmmu
>
> - Doesn't happen with --disable-kvm in ./configure.
>
> Then I'm getting:
>
> /home/ykaul/qemu/tcg/tcg.c: In function ‘tcg_gen_callN’:
> /home/ykaul/qemu/tcg/tcg.c:589:9: error: variable ‘call_type’ set but not
> used [-Werror=unused-but-set-variable]

Hi Yaniv,
Do you want to take a stab at fixing these warnings and sending patches?
http://wiki.qemu.org/Contribute/SubmitAPatch

If these warnings are preventing you from using QEMU, try:
$ ./configure --disable-werror

Stefan