Re: [Qemu-devel] [PATCH] configure: arm/aarch64: allow enable-seccomp

[Andrew Jones]

On Fri, Oct 02, 2015 at 04:02:12PM +0200, Eduardo Otubo wrote:
> On Wed, Sep 30, 2015 at 11=59=18AM -0400, Andrew Jones wrote:
> > This is a revert of ae6e8ef11e6cb, but with a bit of refactoring,
> > and also specifically adding arm/aarch64, rather than all
> > architectures. Currently, libseccomp code appears to also support
> > mips, ppc, and s390. We could therefore allow qemu to enable
> > seccomp for those platforms as well, with additional configure
> > patches, given they're tested and proven to work.
> > 
> > Signed-off-by: Andrew Jones <address@hidden>
> > ---
> > Depends on
> > http://lists.nongnu.org/archive/html/qemu-devel/2015-07/msg00191.html
> > 
> >  configure | 32 +++++++++++++++++++++++++-------
> >  1 file changed, 25 insertions(+), 7 deletions(-)
> > 
> > diff --git a/configure b/configure
> > index f14454e691b36..2d993bf210b56 100755
> > --- a/configure
> > +++ b/configure
> > @@ -1870,16 +1870,34 @@ fi
> >  # libseccomp check
> >  
> >  if test "$seccomp" != "no" ; then
> > -    if test "$cpu" = "i386" || test "$cpu" = "x86_64" &&
> > -        $pkg_config --atleast-version=2.1.1 libseccomp; then
> > +    case "$cpu" in
> > +    i386|x86_64)
> > +        libseccomp_minver="2.1.1"
> > +        ;;
> > +    arm|aarch64)
> > +        libseccomp_minver="2.2.3"
> > +        ;;
> > +    *)
> > +        libseccomp_minver=""
> > +        ;;
> > +    esac
> > +
> > +    if test "$libseccomp_minver" != "" &&
> > +       $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
> >          libs_softmmu="$libs_softmmu `$pkg_config --libs libseccomp`"
> >          QEMU_CFLAGS="$QEMU_CFLAGS `$pkg_config --cflags libseccomp`"
> > -   seccomp="yes"
> > +        seccomp="yes"
> >      else
> > -   if test "$seccomp" = "yes"; then
> > -            feature_not_found "libseccomp" "Install libseccomp devel >= 
> > 2.1.1"
> > -   fi
> > -   seccomp="no"
> > +        if test "$seccomp" = "yes" ; then
> > +            if test "$libseccomp_minver" != "" ; then
> > +                feature_not_found "libseccomp" \
> > +                    "Install libseccomp devel >= $libseccomp_minver"
> > +            else
> > +                feature_not_found "libseccomp" \
> > +                    "libseccomp is not supported for host cpu $cpu"
> > +            fi
> > +        fi
> > +        seccomp="no"
> >      fi
> >  fi
> >  ##########################################
> > -- 
> > 2.5.2
> > 
> 
> The patch does look good, but I'll just delay a little bit the pull
> request due to more patches incoming. I just want to create a single
> batch. Is ok if we just merge it mid or end of next week?

Works for me!

Thanks,
drew

> 
> Thanks for the contribution.
> 
> Acked-by: Eduardo Otubo <address@hidden>
> 
> -- 
> Eduardo Otubo
> ProfitBricks GmbH