Trying to compile a current kernel with latest changes of christos@
and cl@ it fails on kern_sig.c:

/data/current/tools/bin/i386--netbsdelf-gcc   -ffreestanding  -O2 -pipe
-march=athlon-xp -mcpu=athlon-xp -Werror -Wall -Wno-main -Wno-format-zero-length
-Wpointer-arith -Wmissing-prototypes -Wstrict-prototypes -Wno-sign-compare
-Wno-uninitialized  -Di386 -I.  -I/usr/src/sys/arch -I/usr/src/sys -nostdinc
-DLKM -DMAXUSERS=128 -D_KERNEL -D_KERNEL_OPT   -c
/usr/src/sys/kern/kern_sig.c/usr/src/sys/kern/kern_sig.c: In function
`trapsignal':/usr/src/sys/kern/kern_sig.c:877: error: `ktr' undeclared (first
use in this function)/usr/src/sys/kern/kern_sig.c:877: error: (Each undeclared
identifier is reported only once/usr/src/sys/kern/kern_sig.c:877: error: for
each function it appears in.)

*** Failed target:  kern_sig.o
*** Failed command: /data/current/tools/bin/i386--netbsdelf-gcc -ffreestanding
-O2 -pipe -march=athlon-xp -mcpu=athlon-xp -Werror -Wall -Wno-main
-Wno-format-zero-length -Wpointer-arith -Wmissing-prototypes -Wstrict-prototypes
-Wno-sign-compare -Wno-uninitialized -Di386 -I. -I/usr/src/sys/arch
-I/usr/src/sys -nostdinc -DLKM -DMAXUSERS=128 -D_KERNEL -D_KERNEL_OPT -c
/usr/src/sys/kern/kern_sig.c

*** Error code 1

sys/kern/kern_sig.c:
     $NetBSD: kern_sig.c,v 1.155 2003/09/16 12:07:11 christos Exp $

TIA,
-- 
Juan RP <juan AT xtraeme DOT UnixBSD DOT org>