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Re: [Qemu-devel] [PATCH] seccomp: change configure to avoid arm 32 to br


From: Eduardo Otubo
Subject: Re: [Qemu-devel] [PATCH] seccomp: change configure to avoid arm 32 to break
Date: Thu, 6 Nov 2014 17:36:04 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

On Thu, Nov 06, 2014 at 11:22:16AM -0500, Paul Moore wrote:
> On Thursday, November 06, 2014 03:49:18 PM Eduardo Otubo wrote:
> > Right now seccomp is breaking the compilation of Qemu on armv7l due
> > to libsecomp current lack of support for this arch. This problem is
> > already fixed on libseccomp upstream but no release date for that is
> > scheduled to far. This patch disables support for seccomp on armv7l
> > temporarily until libseccomp does a new release. Then I'll remove the
> > hack and update libseccomp dependency on configure script.
> > 
> > Related bug: https://bugs.launchpad.net/qemu/+bug/1363641
> > 
> > Signed-off-by: Eduardo Otubo <address@hidden>
> > ---
> >  configure | 20 +++++++++++---------
> >  1 file changed, 11 insertions(+), 9 deletions(-)
> > 
> > diff --git a/configure b/configure
> > index 2f17bf3..16fd7f5 100755
> > --- a/configure
> > +++ b/configure
> > @@ -1823,15 +1823,17 @@ fi
> >  # libseccomp check
> > 
> >  if test "$seccomp" != "no" ; then
> > -    if $pkg_config --atleast-version=2.1.0 libseccomp; then
> > -        libs_softmmu="$libs_softmmu `$pkg_config --libs libseccomp`"
> > -        QEMU_CFLAGS="$QEMU_CFLAGS `$pkg_config --cflags libseccomp`"
> > -   seccomp="yes"
> > -    else
> > -   if test "$seccomp" = "yes"; then
> > -            feature_not_found "libseccomp" "Install libseccomp devel >=
> > 2.1.0" -    fi
> > -   seccomp="no"
> > +    if test "$cpu" = "i386" || test "$cpu" = "x86_64"; then
> > +        if $pkg_config --atleast-version=2.1.0 libseccomp; then
> > +            libs_softmmu="$libs_softmmu `$pkg_config --libs libseccomp`"
> > +            QEMU_CFLAGS="$QEMU_CFLAGS `$pkg_config --cflags libseccomp`"
> > +            seccomp="yes"
> > +        else
> > +            if test "$seccomp" = "yes"; then
> > +                feature_not_found "libseccomp" "Install libseccomp devel >=
> > 2.1.0" +            fi
> > +            seccomp="no"
> > +        fi
> >      fi
> >  fi
> >  ##########################################
> 
> Also, note the current release of libseccomp is v2.1.1 which has a number of 
> bug fixes on top of v2.1.0.
> 

Does that applies to the distros package version? I'm running Ubuntu
14.04 and it's still 2.1.0. A regular user would have to download and
install from scratch in order to build Qemu, then.

-- 
Eduardo Otubo
ProfitBricks GmbH



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