* libc/sys/rtems/include/limits.h, libc/sys/rtems/sys/param.h,
libc/sys/rtems/sys/syslimits.h: Update to be in sync with what
constants are defined in each file in the shared versions in
libc/include.
* libc/sys/rtems/crt0.c: Define extra symbols on SH and HP-PA to
autoconf can link programs.
* libc/include/machine/types.h: Explicitly specify signed on
intXX_t types to ensure they are signed.
* libc/sys/rtems/crt0.c (rtems_gxx_mutex_init): Dummy
routine to allow autoconf to determine that building executables
for rtems works.
(rtems_gxx_mutex_lock, rtems_gxx_mutex_unlock): Ditto.
(rtems_gxx_mutex_once): Ditto.
* libc/sys/rtems/crt0.c: Add stubs for functions implicitly
referenced by code generated by gcc 2.8.1.
(a29k): Add stubs for V_SPILL, V_FILL, V_BSD_OS, V_EPI_OS to
satisfy gcc.
Jeff Johnston
Joel Sherrill
Christopher Faylor