Kernel doesn't compile for 2.4.23 and Ultra1 with Creator 3D

[labrador]

make vmlinux ends like this for me (pretty much same .config worked fine
for 2.4.22):

make[4]: Entering directory `/usr/src/linux-2.4.23-sparc/drivers/char/drm'
sparc64-linux-gcc -D__KERNEL__ -I/usr/src/linux-2.4.23-sparc/include -Wall -Wstr
ict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common -m64 -pipe -
mno-fpu -mcpu=ultrasparc -mcmodel=medlow -ffixed-g4 -fcall-used-g5 -fcall-used-g
7 -Wno-sign-compare -Wa,--undeclared-regs -pg -nostdinc -iwithprefix include -
DKBUILD_BASENAME=ffb_drv -c -o ffb_drv.o ffb_drv.c
In file included from drmP.h:75,
from ffb_drv.c:9:
drm_os_linux.h:16: warning: #warning the author of this code needs to read up on
list_entry
In file included from drm_dma.h:33,
from ffb_drv.c:334:
drm_os_linux.h:16: warning: #warning the author of this code needs to read up on
list_entry
ffb_drv.c:386: redefinition of `ffb_options'
drm_drv.h:138: `ffb_options' previously defined here
{standard input}: Assembler messages:
{standard input}:3559: Error: symbol `ffb_options' is already defined
make[4]: *** [ffb_drv.o] Error 1
make[4]: Leaving directory `/usr/src/linux-2.4.23-sparc/drivers/char/drm'
make[3]: *** [first_rule] Error 2
make[3]: Leaving directory `/usr/src/linux-2.4.23-sparc/drivers/char/drm'
make[2]: *** [_subdir_drm] Error 2
make[2]: Leaving directory `/usr/src/linux-2.4.23-sparc/drivers/char'
make[1]: *** [_subdir_char] Error 2
make[1]: Leaving directory `/usr/src/linux-2.4.23-sparc/drivers'
make: *** [_dir_drivers] Error 2


I emerged my sparc source today and had the USE=ultra1 set

[labrador]

https://bugs.gentoo.org/show_bug.cgi?id=35064

The above is a link to the bug report I've made.