Use dlopen to load fs drivers on-demand
Remove debug progs from the default build
honor normal solib search mechanisms
reflect 6910da98ae84bf46ded4284590cbf2e7dbc1402f
autoconfusion, step 1 (?!?!?)
check for rump kernel headers, abort config if not found

don't distribute autom4te.cache
rerun automake
use build-aux
use .la for local lib
autoreconf
m4 subdir
automake subdir-objects
non-recursive makefile
do not attempt to create no longer necessary makefiles
remove obsolete files
autoreconf
some more lib massage to make it work on Linux
autoreconf