Allow parallel building in libm
Allow parallel building in libm

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