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3bafe2fae7
For the newlib part, warnings are all from lack of sync between libc/machine/cris/sys/signal.h and libc/include/sys/signal.h. This commit gets them sufficiently in sync again, functionality-wise and declaration-wise. Still, nothing is declared that isn't supported at the system level (i.e. in libgloss system calls and handled by the CRIS simulator in the gdb project).