Wharfie

Autoversioning commit: a non-deltaV client made a change to
/trunk/wharfie/wharfie.mk

[#15] g++ missing in cross toolchain
Make sure to issue "wharfie --clean" to issue a rebuild

Autoversioning commit: a non-deltaV client made a change to
/trunk/wharfie/wharfie.mk

- some minor fixes in the rpi script (support own kernels, and redo extract of the external zipped image on every run)
- added dbus to the debian base system, as it doesn't work without anymore

fixed compiler postfix for ARM64

Added support for ARM64, w/ an example script for the Raspberry (untested, as I don't have a RPI 3 at hand)

[#10]
- Support building of toolchains in one run.
- fixed build abortion
- fixed double creation of output file for temporary targets

- check for the tool kpartx
- made build more verbose, and included the hash in its output

- fixed rpi bootstrategy
- support kpartx w/ loopback w/o support for sync open

[#8] experimental implementation of incremental/multi-level build.
Actually it seems as tar has still problems with it. I can't avoid that tar thinks that s.th. is renamed, even if it is not.
In my tests I found no problems, except the warning from tar until now. But I added it as a command line option anyway, to be safe.

By-the-way I fixed the handling of files in ADD a bit.
- URLs are supported now
- Implicite makerules don't interfer anymore with ADD

[#6] Support downloading files

- added copyright statements + licenses

- allow multiple, space separated value of environment variables
- support additional packages, specified via ADDITIONAL_TOOLCHAIN_PACKAGES in toolchains

added rules for 64 bit support

Prepared for the use of fakechroot, which actually failed atm. as I found no way of using it w/o heavily influence the host installation. And doing that would make the whole effort of avoiding root access futil$
But, it cleaned up the make targets pretty much.

- added options to get system info and to clean intermediate files.
- fixed a small issue in the argument parser, so that you can pass a different filename instead of "Wharfile"

Initial import of Wharfie