This implementation is ported from the scc compiler with
the author permission to re license it with sbase license.
Using this make implementation to bootstrap sbase removes
the problems found by some buggy make implementations
(specially in the case of OpenBSD). It has a drawback
that the options passed for parallel build with -j are
ignored(improvement are expected).
Due to the multi file nature of make, embedding it in
sbas-box creates some problems, and for now, we keep
it out of sbase-box.
The target tried to execute a non valid shell script
and there was a possibility to fatorize the creation
of the proto file instead of repeating it in all
the actions that required.
when sbase-box is executed without argument, the check sbase-box
options doesn't verify the argument count leading to a segfault.
Add a check on the argc before parsing sbase-box options (currently
only `-i`)
The Makefile rule was too complex and these cases is better to just
move it to a script where will be eassier to use sed properly
and not looping over all the files 4 times.
