Re: [Qemu-devel] [PATCH 09/10] block/dmg: support bzip2 block entry types

[Peter Wu <peter@lekensteyn.nl>]

On Wednesday 07 January 2015 11:29:20 Paolo Bonzini wrote:
> 
> On 05/01/2015 20:32, John Snow wrote:
> >>
> >>   fi
> >>
> >>   ##########################################
> >> +# bzip2 check
> >> +
> >> +if test "$bzip2" != "no" ; then
> >> +    cat > $TMPC << EOF
> >> +#include <bzlib.h>
> >> +int main(void) { BZ2_bzlibVersion(); return 0; }
> >> +EOF
> >> +    if compile_prog "" "-lbz2" ; then
> >> +        libs_softmmu="$libs_softmmu -lbz2"
> >> +        bzip2="yes"
> >> +    else
> >> +        if test "$bzip2" = "yes"; then
> >> +            feature_not_found "libbzip2" "Install libbzip2 devel"
> >> +        fi
> >> +        bzip2="no"
> >> +    fi
> >> +fi
> >> +
> >> +##########################################
> >>   # libseccomp check
> >>
> >>   if test "$seccomp" != "no" ; then
> >> @@ -4340,6 +4366,7 @@ echo "vhdx              $vhdx"
> >>   echo "Quorum            $quorum"
> >>   echo "lzo support       $lzo"
> >>   echo "snappy support    $snappy"
> >> +echo "bzip2 support     $bzip2"
> >>   echo "NUMA host support $numa"
> >>
> >>   if test "$sdl_too_old" = "yes"; then
> >> @@ -4695,6 +4722,10 @@ if test "$snappy" = "yes" ; then
> >>     echo "CONFIG_SNAPPY=y" >> $config_host_mak
> >>   fi
> >>
> >> +if test "$bzip2" = "yes" ; then
> >> +  echo "CONFIG_BZIP2=y" >> $config_host_mak
> >> +fi
> >> +
> >>   if test "$libiscsi" = "yes" ; then
> >>     echo "CONFIG_LIBISCSI=m" >> $config_host_mak
> >>     echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
> >>
> > 
> > Looks good otherwise. CCing Paolo so he can take a quick peek at the
> > configure script. It looks sane to me, though.
> 
> It is sane, but instead of libs_softmmu="$libs_softmmu -lbz2" it's
> better to follow what we do for libiscsi.  In configure:
> 
> CONFIG_BZIP2=y
> LIBBZ2_CFLAGS=-lbz2
> 
> In Makefile.objs:
> 
> dmg.o-libs     := $(LIBBZ2_CFLAGS)
> 
> Paolo

Already taken care of in v2 which was posted to the list yesterday :-)

I named it "BZIP2_LIBS" though (matching the package name).
-- 
Kind regards,
Peter
https://lekensteyn.nl