2.4.19-pre8 non-kernel files in wan/8253x
drivers/net/wan/8253x/Makefile contains these lines
8253xcfg: 8253xcfg.c
$(CC) -o 8253xcfg $(EXTRA_CFLAGS) -U__KERNEL__ 8253xcfg.c
8253xmac: 8253xmac.c
$(CC) -o 8253xmac $(EXTRA_CFLAGS) -U__KERNEL__ 8253xmac.c
8253xspeed: 8253xspeed.c
$(CC) -o 8253xspeed $(EXTRA_CFLAGS) -U__KERNEL__ 8253xspeed.c
8253xpeer: 8253xpeer.c
$(CC) -o 8253xpeer $(EXTRA_CFLAGS) -U__KERNEL__ 8253xpeer.c
eprom9050: eprom9050.c
$(CC) -o eprom9050 $(EXTRA_CFLAGS) -U__KERNEL__ eprom9050.c
All of those .c files are user space utilities, they do not fit the kernel build system and do not belong in the kernel. Please move these files to a separate user space package and delete from 2.4.19-pre*.