* sysdeps/unix/sysv/linux/alpha/init-first.h,
sysdeps/unix/sysv/linux/m68k/init-first.h,
sysdeps/unix/sysv/linux/i386/init-first.h: New files.
* sysdeps/unix/sysv/linux/init-first.c: Use platform-dependent
init-first.h to make abstract machine dependent parts of
initialization.
* math/Makefile (headers): Add fpu_control.h.
(aux): New variable, list fpu_control and setfpucw.
* sysdeps/generic/fpu_control.c: New file.
* sysdeps/stub/fpu_control.h: New file.
* sysdeps/unix/sysv/linux/m68k/fpu_control.h: Moved to ...
* sysdeps/m68k/fpu_control.h: here.
* sysdeps/unix/sysv/linux/i386/fpu_control.h: Moved to ...
* sysdeps/i386/fpu_control.h: here.
* sysdeps/unix/sysv/linux/alpha/fpu_control.h: Moved to ...
* sysdeps/alpha/fpu/fpu_control.h: here. Fixed copyright.
* sysdeps/unix/sysv/linux/alpha/Makefile (sysdep_routines): Remove
setfpucw, fpu_control.
* sysdeps/unix/sysv/linux/alpha/fpu_control.c: File removed.
* sysdeps/unix/sysv/linux/setfpucw.c: Moved to ...
* sysdeps/generic/setfpucw.c: here.
(__fpu_control): Variable removed.
(__setfpucw): Use SET even if zero.
* sysdeps/unix/sysv/linux/m68k/sysdep.h (SYS_ify): Redefine.
(CALL_MCOUNT): New macro, empty unless [PROF].
(ENTRY): Do CALL_MCOUNT just after the label.
(JUMPTARGET): New macro.
(SYSCALL_ERROR_HANDLER): Fix syntax.