Problem - Kernel 2.5/make dep

Hi, I have dumb problem compiling 2.5.21 kernel. After "make menuconfig" "make dep" fails with: su37:/usr/src/linux-2.5.21 # make dep make[1]: Entering directory `/usr/src/linux-2.5.21' make[2]: Entering directory `/usr/src/linux-2.5.21/arch/i386/boot' make[2]: Nothing to be done for `dep'. make[2]: Leaving directory `/usr/src/linux-2.5.21/arch/i386/boot' make[1]: Nothing to be done for `include/linux/modversions.h'. make[1]: Leaving directory `/usr/src/linux-2.5.21' In short, nothing have been done (.depend file is simply empty). However, with 2.4 kernel there are no such problem. Thanks in advance for any suggestions. Andrei