When you experience problems building libxml2 or any other ports depending on it (e.g. libreoffice), see the error message of the compiler. If it contains undefined reference 'lzma_auto_compress', then simply remove lzma and lzmalib packages from the system and continue the build process.

Reason: The base system contains lzma library, and the uncompatible package version supresses if installed.

 

After a few steps you will be able to mount a standard webdav share into your NetBSD box.

NetBSD default configuration of XDM is a bit buggy. If you want to start xfce4 session, configure your ~/.xsession as normally. Then your login will be rejected, and the system drops you back to the XDM login screen.