2.5.9, 2.5.10 shellscript error

rm -f include/asm
( cd include ; ln -sf asm-i386 asm)
make -C scripts kconfig.tk
make[1]: Entering directory `/usr/src/linux-2.5.10/scripts' cat header.tk >> ./kconfig.tk
./tkparse < ../arch/i386/config.in >> kconfig.tk drivers/isdn/Config.in: 10: incorrect argument make[1]: *** [kconfig.tk] Error 1
make[1]: Leaving directory `/usr/src/linux-2.5.10/scripts'
make: *** [xconfig] Error 2