Disable __xpg_sigpause until it is implemented (if at all) in uClibc
Disable __xpg_sigpause until it is implemented (if at all) in uClibc

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