Comment out impossible code.
Try to fix amd64 build.
Fix build, add missing symbols, remove unknown ioctls etc.
Fix cinflicts created by import of latest lvm2tools LVM2-2-02-56.
Import of new version of lvm2tools LVM2-2-02-56.
Merge conflicts and NetBSD local changes.
Import new lvm2tools 2.02.44 version and libdevmapper 1.02.30.
Remove error prints which are not fatal on NetBSD.
Add NetBSD bits to the original LVM2 tools sources.
Import of lvm2tools 2.03.43 and libdevmapper 1.02.29. Needed to fixhaad-dm merge, because current lvm2tools sources are broken and will beremoved.