Patch from Michael E Brown <mebrown@michaels-house.net> to support setting DEVEL_PREFIX and BUILD_DIR at runtime instead of having to recompile the wrapper.  Minor changes by me.
Patch from Michael E Brown <mebrown@michaels-house.net> to
support setting DEVEL_PREFIX and BUILD_DIR at runtime instead
of having to recompile the wrapper.  Minor changes by me.

joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc