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.

wbx-github/uclibc-ng,foss-xtensa/uClibc,ysat0/uClibc,skristiansson/uClibc-or1k,foss-for-synopsys-dwc-arc-processors/uClibc,ddcc/klee-uclibc-0.9.33.2,hwoarang/uClibc,ndmsystems/uClibc,hwoarang/uClibc,gittup/uClibc,brgl/uclibc-ng,skristiansson/uClibc-or1k,hjl-tools/uClibc,waweber/uclibc-clang,mephi42/uClibc,ffainelli/uClibc,ChickenRunjyd/klee-uclibc,ysat0/uClibc,waweber/uclibc-clang,ChickenRunjyd/klee-uclibc,atgreen/uClibc-moxie,czankel/xtensa-uclibc,atgreen/uClibc-moxie,ysat0/uClibc,brgl/uclibc-ng,OpenInkpot-archive/iplinux-uclibc,brgl/uclibc-ng,majek/uclibc-vx32,foss-xtensa/uClibc,ddcc/klee-uclibc-0.9.33.2,wbx-github/uclibc-ng,klee/klee-uclibc,klee/klee-uclibc,mephi42/uClibc,m-labs/uclibc-lm32,kraj/uclibc-ng,ChickenRunjyd/klee-uclibc,majek/uclibc-vx32,gittup/uClibc,gittup/uClibc,ndmsystems/uClibc,hjl-tools/uClibc,ndmsystems/uClibc,skristiansson/uClibc-or1k,foss-xtensa/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,hjl-tools/uClibc,m-labs/uclibc-lm32,atgreen/uClibc-moxie,foss-xtensa/uClibc,ffainelli/uClibc,groundwater/uClibc,m-labs/uclibc-lm32,kraj/uclibc-ng,kraj/uClibc,wbx-github/uclibc-ng,ChickenRunjyd/klee-uclibc,wbx-github/uclibc-ng,klee/klee-uclibc,kraj/uclibc-ng,waweber/uclibc-clang,klee/klee-uclibc,czankel/xtensa-uclibc,OpenInkpot-archive/iplinux-uclibc,ddcc/klee-uclibc-0.9.33.2,mephi42/uClibc,czankel/xtensa-uclibc,ffainelli/uClibc,hjl-tools/uClibc,waweber/uclibc-clang,majek/uclibc-vx32,hjl-tools/uClibc,groundwater/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,groundwater/uClibc,OpenInkpot-archive/iplinux-uclibc,hwoarang/uClibc,OpenInkpot-archive/iplinux-uclibc,kraj/uClibc,kraj/uclibc-ng,majek/uclibc-vx32,ffainelli/uClibc,mephi42/uClibc,ddcc/klee-uclibc-0.9.33.2,ysat0/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,ffainelli/uClibc,atgreen/uClibc-moxie,groundwater/uClibc,m-labs/uclibc-lm32,ndmsystems/uClibc,kraj/uClibc,kraj/uClibc,skristiansson/uClibc-or1k,hwoarang/uClibc,gittup/uClibc,czankel/xtensa-uclibc,groundwater/uClibc,brgl/uclibc-ng