ip02:/usr/src/kernel-source-2.6.8# make menuconfig
  HOSTCC  scripts/kconfig/mconf.o
scripts/kconfig/mconf.c:91: error: static declaration of ‘current_menu’ follows non-static declaration
scripts/kconfig/lkc.h:63: error: previous declaration of ‘current_menu’ was here
make[1]: *** [scripts/kconfig/mconf.o] Error 1
make: *** [menuconfig] Error 2