grab some macros for internal ldso usage and fix strong_alias/hidden_strong_alias when .set support is disabled
grab some macros for internal ldso usage and fix strong_alias/hidden_strong_alias when .set support is disabled

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