Re: [Qemu-devel] [PULL 00/27] vhost-user patches

["Marc-André Lureau" <marcandre.lureau@redhat.com>]

Hi

----- Original Message -----
> On 10 October 2017 at 18:10, Marc-André Lureau
> <marcandre.lureau@redhat.com> wrote:
> > The following changes since commit
> > 567d0a19c7998fa366598b83d5a6e5f0759d3ea9:
> >
> >   Merge remote-tracking branch
> >   'remotes/ehabkost/tags/x86-and-machine-pull-request' into staging
> >   (2017-10-10 13:25:46 +0100)
> >
> > are available in the Git repository at:
> >
> >   https://github.com/elmarco/qemu.git tags/vus-pull-request
> >
> > for you to fetch changes up to 25f1fe82c64c8c4922254d63195e1d9cffbb0507:
> >
> >   vhost-user-scsi: remove server_sock from VusDev (2017-10-10 19:06:06
> >   +0200)
> >
> > ----------------------------------------------------------------
> >
> > ----------------------------------------------------------------
> 
> Hi. I'm afraid this fails to build:
> 
> On ppc host:
>   CC      contrib/libvhost-user/libvhost-user.o
> /home/pm215/qemu/contrib/libvhost-user/libvhost-user.c: In function
> ‘vu_set_vring_addr_exec’:
> /home/pm215/qemu/contrib/libvhost-user/libvhost-user.c:524:5: error:
> format ‘%llx’ expects argument of type ‘long long unsigned int’, but
> argument 3 has type ‘__u64’ [-Werror=format=]
>      DPRINT("    desc_user_addr:   0x%016llx\n", vra->desc_user_addr);
>      ^
> /home/pm215/qemu/contrib/libvhost-user/libvhost-user.c:525:5: error:
> format ‘%llx’ expects argument of type ‘long long unsigned int’, but
> argument 3 has type ‘__u64’ [-Werror=format=]
>      DPRINT("    used_user_addr:   0x%016llx\n", vra->used_user_addr);
>      ^
> /home/pm215/qemu/contrib/libvhost-user/libvhost-user.c:526:5: error:
> format ‘%llx’ expects argument of type ‘long long unsigned int’, but
> argument 3 has type ‘__u64’ [-Werror=format=]
>      DPRINT("    avail_user_addr:  0x%016llx\n", vra->avail_user_addr);
>      ^
> /home/pm215/qemu/contrib/libvhost-user/libvhost-user.c:527:5: error:
> format ‘%llx’ expects argument of type ‘long long unsigned int’, but
> argument 3 has type ‘__u64’ [-Werror=format=]
>      DPRINT("    log_guest_addr:   0x%016llx\n", vra->log_guest_addr);
>      ^
> 
> 
> On NetBSD, OpenBSD, FreeBSD, OSX:
> 
>   CC      contrib/libvhost-user/libvhost-user.o
> /root/qemu/contrib/libvhost-user/libvhost-user.c:27:25: fatal error:
> sys/eventfd.h: No such file or directory
>  #include <sys/eventfd.h>
>                          ^
> compilation terminated.
> 

That was quick!

It looks like the solution is to remove libvhost-user.a from $(SUBDIR_RULES) target. I have checked with 'make vm-build-freebsd'.

(the printf format errors are pre-existing - I think should be addressed in a different series)