pkg/44154: libxml2-2.7.8 update broke gnome packages

[ghen%telenet.be@localhost]

>Number:         44154
>Category:       pkg
>Synopsis:       libxml2-2.7.8 update broke gnome packages
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Nov 26 10:40:00 +0000 2010
>Originator:     Geert Hendrickx
>Release:        NetBSD-5.1 amd64
>Organization:
>Environment:
NetBSD boris.ghen.be 5.1_RC4 NetBSD 5.1_RC4 (GENERIC) #0: Thu Sep 23 15:36:03 
CEST 2010  
ghen%boris.ghen.be@localhost:/scratch/netbsd/netbsd-5/obj/amd64/sys/arch/amd64/compile/GENERIC
 amd64
>Description:
After the textproc/libxml2 update to libxml2-2.7.8, Gnome packages depending on 
libmxl2 won't build anymore, they all fail in the same way, eg. 
x11/gnome-control-center:

/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlFree%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlXPathCompiledEval%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlXPathCompile%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlXPathEval%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlSAX2Characters%LIBXML2_2.6.0@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlCtxtReadFile%LIBXML2_2.6.0@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlSAX2EndElementNs%LIBXML2_2.6.0@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlSAX2StartElementNs%LIBXML2_2.6.0@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlXPathInit%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlNewParserCtxt%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlGetProp%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlFreeParserCtxt%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlXPathFreeObject%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlXPathFreeCompExpr%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlSAX2InitDefaultSAXHandler%LIBXML2_2.6.0@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlXPathNewContext%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlXPathFreeContext%LIBXML2_2.4.30@localhost'
/scratch/pkgsrc/work/x11/gnome-control-center/work/.buildlink/lib/libxklavier.so:
 undefined reference to `xmlFreeDoc%LIBXML2_2.4.30@localhost'

Reverting to libxml2-2.7.7 fixes those builds.
Once built, these packages work fine with libxml2-2.7.8


>How-To-Repeat:

>Fix: