2.4.0 module compile error (DRI for ATI Rage?)

{standard input}: Assembler messages:
{standard input}:8: Warning: Ignoring changed section attributes for
.modinfo
gcc -D__KERNEL__ -I/local/build/2.4.0/include -Wall -Wstrict-prototypes -O2
-fomit-frame-pointer -fno-strict-aliasing -pipe -mpreferred-stack-boundary=2
-march=i686 -DMODULE -DMODVERSIONS -include
/local/build/2.4.0/include/linux/modversions.h   -c -o r128_cce.o r128_cce.c
r128_cce.c: In function `r128_cce_init_ring_buffer':
r128_cce.c:339: structure has no member named `agp'
r128_cce.c:333: warning: `ring_start' might be used uninitialized in this
function
r128_cce.c: In function `r128_cce_packet':
r128_cce.c:1023: warning: unused variable `size'
r128_cce.c:1021: warning: unused variable `buffer'
r128_cce.c:1019: warning: unused variable `dev_priv'
{standard input}: Assembler messages:
{standard input}:8: Warning: Ignoring changed section attributes for
.modinfo
make[3]: *** [r128_cce.o] Error 1
make[3]: Leaving directory `/local/build/2.4.0/drivers/char/drm'
make[2]: *** [_modsubdir_drm] Error 2
make[2]: Leaving directory `/local/build/2.4.0/drivers/char'
make[1]: *** [_modsubdir_char] Error 2
make[1]: Leaving directory `/local/build/2.4.0/drivers'
make: *** [_mod_drivers] Error 2

from a clean, unpatched 2.4.0 source base.