make[2]: Entering directory `/home/duncan/linux-2.4/arch/i386/kernel'
gcc -D__KERNEL__ -I/home/duncan/linux-2.4/include -Wall -Wstrict-prototypes -Wno-trigraphs
-O2 -fno-strict-aliasing -fno-common -fomit-frame-pointer -pipe -mpreferred-stack-boundary=2
-march=athlon   -nostdinc -iwithprefix include -DKBUILD_BASENAME=dmi_scan  -c -o dmi_scan.o
dmi_scan.c
dmi_scan.c: In function `exploding_pnp_bios':
dmi_scan.c:521: error: `BROKEN_PNP_BIOS' undeclared (first use in this function)
dmi_scan.c:521: error: (Each undeclared identifier is reported only once
dmi_scan.c:521: error: for each function it appears in.)
dmi_scan.c: In function `dmi_decode':
dmi_scan.c:944: warning: unused variable `data'
make[2]: *** [dmi_scan.o] Error 1
make[2]: Leaving directory `/home/duncan/linux-2.4/arch/i386/kernel'
make[1]: *** [_dir_arch/i386/kernel] Error 2
make[1]: Leaving directory `/home/duncan/linux-2.4'
make: *** [stamp-build] Error 2

.config attached

Duncan.