Hi,
-current from today, I'm getting
--- kern-TWINPPC.MP ---
/data/home/chris/tmp/netbsd/src/sys/compat/linux/arch/powerpc/linux_machdep.c: 
In function 'linux_sys_rt_sigreturn':
/data/home/chris/tmp/netbsd/src/sys/compat/linux/arch/powerpc/linux_machdep.c:324:2: 
error: too few arguments to function 'fpu_discard'
  fpu_discard();
  ^
In file included from ./machine/fpu.h:3:0,
                 from 
/data/home/chris/tmp/netbsd/src/sys/compat/linux/arch/powerpc/linux_machdep.c:69:
./powerpc/fpu.h:107:1: note: declared here
 fpu_discard(lwp_t *l)
 ^
/data/home/chris/tmp/netbsd/src/sys/compat/linux/arch/powerpc/linux_machdep.c: 
In function 'linux_sys_sigreturn':
/data/home/chris/tmp/netbsd/src/sys/compat/linux/arch/powerpc/linux_machdep.c:418:2: 
error: too few arguments to function 'fpu_discard'
  fpu_discard();
  ^
In file included from ./machine/fpu.h:3:0,
                 from 
/data/home/chris/tmp/netbsd/src/sys/compat/linux/arch/powerpc/linux_machdep.c:69:
./powerpc/fpu.h:107:1: note: declared here
 fpu_discard(lwp_t *l)
 ^
regards,
chris