Fresh sources, freshly built toolchain from same sources, up to date as of
last night. From ./build.sh -D /misc/dest:

/misc/tools/toolchain-gcc2/bin/i386--netbsdelf-gcc -O2 -ffreestanding -pipe
-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
-Wno-sign-compare -Wno-traditional -Wno-uninitialized  -Werror
-DCOMPAT_SVR4 -DSYSVSEM -DSYSVMSG -DSYSVSHM  -DSVR4_COMPAT_SOLARIS2
-DCOMPAT_IBCS2 -nostdinc -I.
-I/misc/cvs/netbsd/current/src/sys/lkm/compat/ibcs2 -isystem
/misc/cvs/netbsd/current/src/sys -isystem
/misc/cvs/netbsd/current/src/sys/arch -D_KERNEL -D_LKM  -c
/misc/cvs/netbsd/current/src/sys/compat/ibcs2/ibcs2_ipc.c
nbmake: don't know how to make i386/include/reg.h. Stop

nbmake: stopped in /misc/cvs/netbsd/current/src/sys/lkm/compat/ibcs2

*** Failed target:  dependall
*** Failed command: cd /misc/cvs/netbsd/current/src/sys/lkm/compat/ibcs2;
/misc/tools/toolchain-gcc2/bin/nbmake realall
*** Error code 2

Stop.
nbmake: stopped in /misc/cvs/netbsd/current/src/sys/lkm/compat/ibcs2

*** Failed target:  dependall-ibcs2
*** Failed command: targ=dependall;dir=ibcs2; case "$dir" in /*) echo "$targ
===> $dir"; cd "$dir"; /misc/tools/toolchain-gcc2/bin/nbmake
"_THISDIR_=$dir/" $targ; ;; *) echo "$targ ===> sys/lkm/compat/$dir"; cd
"/misc/cvs/netbsd/current/src/sys/lkm/compat/$dir";
/misc/tools/toolchain-gcc2/bin/nbmake "_THISDIR_=sys/lkm/compat/$dir/"
$targ; ;; esac
*** Error code 1

Stop.
nbmake: stopped in /misc/cvs/netbsd/current/src/sys/lkm/compat

*** Failed target:  dependall-compat
*** Failed command: targ=dependall;dir=compat; case "$dir" in /*) echo
"$targ ===> $dir"; cd "$dir"; /misc/tools/toolchain-gcc2/bin/nbmake
"_THISDIR_=$dir/" $targ; ;; *) echo "$targ ===> sys/lkm/$dir"; cd
"/misc/cvs/netbsd/current/src/sys/lkm/$dir";
/misc/tools/toolchain-gcc2/bin/nbmake "_THISDIR_=sys/lkm/$dir/" $targ; ;;
esac
*** Error code 1

Stop.
nbmake: stopped in /misc/cvs/netbsd/current/src/sys/lkm

*** Failed target:  dependall-lkm
*** Failed command: targ=dependall;dir=lkm; case "$dir" in /*) echo "$targ
===> $dir"; cd "$dir"; /misc/tools/toolchain-gcc2/bin/nbmake
"_THISDIR_=$dir/" $targ; ;; *) echo "$targ ===> sys/$dir"; cd
"/misc/cvs/netbsd/current/src/sys/$dir";
/misc/tools/toolchain-gcc2/bin/nbmake "_THISDIR_=sys/$dir/" $targ; ;; esac
*** Error code 1

Stop.
nbmake: stopped in /misc/cvs/netbsd/current/src/sys

*** Failed target:  dependall-sys
*** Failed command: targ=dependall;dir=sys; case "$dir" in /*) echo "$targ
===> $dir"; cd "$dir"; /misc/tools/toolchain-gcc2/bin/nbmake
"_THISDIR_=$dir/" $targ; ;; *) echo "$targ ===> $dir"; cd
"/misc/cvs/netbsd/current/src/$dir"; /misc/tools/toolchain-gcc2/bin/nbmake
"_THISDIR_=$dir/" $targ; ;; esac
*** Error code 1

Stop.
nbmake: stopped in /misc/cvs/netbsd/current/src

*** Failed target:  do-build
*** Failed command: (cd /usr/src && /misc/tools/toolchain-gcc2/bin/nbmake
dependall BUILD_tools=no BUILD_lib=no)
*** Error code 1

Stop.
nbmake: stopped in /usr/src

*** Failed target:  build
*** Failed command: (cd /usr/src && /misc/tools/toolchain-gcc2/bin/nbmake
do-build)
*** Error code 1

Stop.
nbmake: stopped in /usr/src

ERROR: Failed to make build
*** BUILD ABORTED ***

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