[root linux]# make zImage
make[1]: Entering directory `/usr/src/linux-2.3.99-pre6/arch/ppc/kernel'
gcc -I/usr/src/linux/include -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -D__KERNEL__ -fno-builtin -o checks checks.c
checks.c: In function `main':
checks.c:39: warning: implicit declaration of function `printf'
./checks
Task size        : 960 bytes
Tss size         : 288 bytes
pt_regs size     : 176 bytes
Kernel stack size: 7232 bytes
make[1]: Leaving directory `/usr/src/linux-2.3.99-pre6/arch/ppc/kernel'
gcc -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -o scripts/split-include scripts/split-include.c
scripts/split-include include/linux/autoconf.h include/config
gcc -D__KERNEL__ -I/usr/src/linux/include -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -fno-strict-aliasing -D__powerpc__ -fsigned-char -msoft-float
 -ffixed-r2 -Wno-uninitialized -mmultiple -mstring  -c -o init/main.o init

gcc -D__KERNEL__ -I/usr/src/linux/include -Wall -Wstrict-prototypes -O2 -f
rame-pointer -fno-strict-aliasing -D__powerpc__ -fsigned-char -msoft-float
 -ffixed-r2 -Wno-uninitialized -mmultiple -mstring -DUTS_MACHINE='"ppc"' -
nit/version.o init/version.c
make -C  kernel
make[1]: Entering directory `/usr/src/linux-2.3.99-pre6/kernel'
make all_targets
make[2]: Entering directory `/usr/src/linux-2.3.99-pre6/kernel'
gcc -D__KERNEL__ -I/usr/src/linux/include -Wall -Wstrict-prototypes -O2 -f
rame-pointer -fno-strict-aliasing -D__powerpc__ -fsigned-char -msoft-float
 -ffixed-r2 -Wno-uninitialized -mmultiple -mstring   -DEXPORT_SYMTAB -c si
signal.c: In function `do_sigaction':
signal.c:914: fixed or forbidden register 68 (0) was spilled for class CR0
This may be due to a compiler bug or to impossible asm
statements or clauses.
cpp: output pipe has been closed
make[2]: *** [signal.o] Error 1
make[2]: Leaving directory `/usr/src/linux-2.3.99-pre6/kernel'
make[1]: *** [first_rule] Error 2
make[1]: Leaving directory `/usr/src/linux-2.3.99-pre6/kernel'
make: *** [_dir_kernel] Error 2