libc: first working version
sys_capability.h for runcap
git ignore libc.a
libc: fully working version
libc: arch-dependent stuff in (arch)/bits/
libc: x64 ppoll
use NR_time for time(2), no vdso for now
asm syscalls cleanup
use errno directly, drop errno_location,
top-dir reference for tests
do not use %x in warn
reboot may return EINVAL
asm reboot
sigaction in asm
remove useless generic C sigaction
use .equ instead of #define in asm files
non-cpp asm files
strcpy
use simple-expansion variables, and allow -Os -flto with libc
cleanup