changes:
- there are several new dependencies: tirpc, libcap libgss,
libnfsimap, libevent and libwrap. disable tirpc, libgss, libwrap
- several changes are in upstream now, include the bzero change
and stat-include change, remove the patches
- a new build system is used, custom macros are now moved to aclocal/,
acinclude and rpcgen fixes are not necessary any more
- rebase uclibc patch
- enable nfsv41, nfsv3 and nfsv4 are default turned on
- do_compile is no longer needed
- the install target has changed a lot, instead of updating the file
list manually, try to use oe_runmake install for installation.
Several files are built against build environment, they are removed
from the packages.