Re: [Qemu-devel] [Xen-devel] Project idea: make QEMU more flexible

[Wei Liu <wei.liu2@citrix.com>]

On Thu, Jan 23, 2014 at 10:11:57AM +0100, Paolo Bonzini wrote:
> Il 22/01/2014 17:09, Wei Liu ha scritto:
> >On Wed, Jan 22, 2014 at 11:20:38AM +0100, Paolo Bonzini wrote:
> >>Il 21/01/2014 19:27, Wei Liu ha scritto:
> >>>>>
> >>>>>Googling "disable tcg" would have provided an answer, but the patches
> >>>>>were old enough to be basically useless.  I'll refresh the current
> >>>>>version in the next few days.  Currently I am (or try to be) on
> >>>>>vacation, so I cannot really say when, but I'll do my best. :)
> >>>>>
> >>>Hi Paolo, any update?
> >>
> >>Oops, sorry, I thought I had sent that out.  It's in the disable-tcg
> >>branch on my github repository.
> >>
> >
> >Unfortunately your branch didn't work when I enabled TCG support. If I
> >use "--disable-tcg" with configure then it works fine.
> 
> Branch fixed.
> 

Yes, it's fixed for the case I reported. Thanks.

But it is now broken with following rune:
./configure --enable-kvm --disable-tcg --target-list=i386-softmmu
--disable-xen --enable-debug

  LINK  i386-softmmu/qemu-system-i386
  cpus.o: In function `cpu_signal':
  /local/scratch/qemu/cpus.c:569: undefined reference to `exit_request'
  cpus.o: In function `tcg_cpu_exec':
  /local/scratch/qemu/cpus.c:1257: undefined reference to `cpu_x86_exec'
  cpus.o: In function `tcg_exec_all':
  /local/scratch/qemu/cpus.c:1282: undefined reference to `exit_request'
  /local/scratch/qemu/cpus.c:1299: undefined reference to `exit_request'
  exec.o: In function `tlb_reset_dirty_range_all':
  /local/scratch/qemu/exec.c:736: undefined reference to
  `cpu_tlb_reset_dirty_all'
  collect2: error: ld returned 1 exit status
  make[1]: *** [qemu-system-i386] Error 1
  make: *** [subdir-i386-softmmu] Error 2

--enable-debug is the one to blame. Without that it links successfully.

Wei.

> Paolo