This dependency is required for adequate Parallels images support. Typically the disk consists of several images which are glued by XML disk descriptor. Also XML hides inside several important parameters which are not available in the image header.
The patch also adds clause to checkpatch.pl to understand libxml2 types. Signed-off-by: Denis V. Lunev <[email protected]> Signed-off-by: Klim Kireev <[email protected]> Signed-off-by: Edgar Kaziakhmedov <[email protected]> CC: Stefan Hajnoczi <[email protected]> --- block/Makefile.objs | 2 ++ configure | 27 +++++++++++++++++++++++++++ scripts/checkpatch.pl | 1 + 3 files changed, 30 insertions(+) diff --git a/block/Makefile.objs b/block/Makefile.objs index 6eaf78a046..a73387f1bf 100644 --- a/block/Makefile.objs +++ b/block/Makefile.objs @@ -47,3 +47,5 @@ block-obj-$(if $(CONFIG_BZIP2),m,n) += dmg-bz2.o dmg-bz2.o-libs := $(BZIP2_LIBS) qcow.o-libs := -lz linux-aio.o-libs := -laio +parallels.o-cflags := $(LIBXML2_CFLAGS) +parallels.o-libs := $(LIBXML2_LIBS) diff --git a/configure b/configure index 6a040821c6..790fa635d1 100755 --- a/configure +++ b/configure @@ -435,6 +435,7 @@ tcmalloc="no" jemalloc="no" replication="yes" vxhs="" +libxml2="" supported_cpu="no" supported_os="no" @@ -1298,6 +1299,10 @@ for opt do ;; --enable-numa) numa="yes" ;; + --disable-libxml2) libxml2="no" + ;; + --enable-libxml2) libxml2="yes" + ;; --disable-tcmalloc) tcmalloc="no" ;; --enable-tcmalloc) tcmalloc="yes" @@ -1573,6 +1578,7 @@ disabled with --disable-FEATURE, default is enabled if available: tpm TPM support libssh2 ssh block device support numa libnuma support + libxml2 for Parallels image format tcmalloc tcmalloc support jemalloc jemalloc support replication replication support @@ -3747,6 +3753,20 @@ EOF fi fi +########################################## +# libxml2 probe +if test "$libxml2" != "no" ; then + if $pkg_config --exists libxml-2.0; then + libxml2="yes" + libxml2_cflags=$($pkg_config --cflags libxml-2.0) + libxml2_libs=$($pkg_config --libs libxml-2.0) + else + if test "$libxml2" = "yes"; then + feature_not_found "libxml2" "Install libxml2 devel" + fi + libxml2="no" + fi +fi ########################################## # glusterfs probe @@ -5618,6 +5638,7 @@ echo "lzo support $lzo" echo "snappy support $snappy" echo "bzip2 support $bzip2" echo "NUMA host support $numa" +echo "libxml2 $libxml2" echo "tcmalloc support $tcmalloc" echo "jemalloc support $jemalloc" echo "avx2 optimization $avx2_opt" @@ -6281,6 +6302,12 @@ if test "$have_rtnetlink" = "yes" ; then echo "CONFIG_RTNETLINK=y" >> $config_host_mak fi +if test "$libxml2" = "yes" ; then + echo "CONFIG_LIBXML2=y" >> $config_host_mak + echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak + echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak +fi + if test "$replication" = "yes" ; then echo "CONFIG_REPLICATION=y" >> $config_host_mak fi diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 3dc27d9656..9bfe2b58e1 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -265,6 +265,7 @@ our @typeList = ( qr{${Ident}_handler_fn}, qr{target_(?:u)?long}, qr{hwaddr}, + qr{xml${Ident}}, ); # This can be modified by sub possible. Since it can be empty, be careful -- 2.14.3
