scripts: uses absolute path to configure a project
development tools: build gdb outside source tree
fileparser: build expat ouside source tree
file parser framework: add libtool and update CONFIG name
file parser : change libtool url
audio: build alsa packages outside source tree
scripts: build outside source tree project into objtree

subproject with the option <subproject>-builddir to "y" are built inside the directory:
 out/target/<target name>/build/<subproject>
file parser: build libffi and libtool outside source tree
video framework: build x264 and ffmpeg outside source tree
server: libtirpc patch to disable NIS support
graphics: new Configuration name of LIBFFI EXPAT
server: build some parts outside source tree

build libtirpc, libnfsdmap, rpcbind, lighttpd, libupnp outside source tree
!!!! build rpc support without the glibc obsolete RPC functions is very hard
patches: libtirpc patch to manage libc without nis sunrpc support