Hi, In the latest staging tree I cant do "make menuconfig" or even "make config" prashant@mint11 ~/linux-2.6 $ make menuconfig HOSTCC scripts/kconfig/mconf.o HOSTCC scripts/kconfig/zconf.tab.o In file included from scripts/kconfig/zconf.tab.c:90:0: scripts/kconfig/lkc.h:27:22: fatal error: lkc_defs.h: No such file or directory compilation terminated. make[1]: *** [scripts/kconfig/zconf.tab.o] Error 1 make: *** [menuconfig] Error 2 Even against the latest linux 3.0.0 tree I get this HOSTCC scripts/kconfig/zconf.tab.o In file included from scripts/kconfig/zconf.tab.c:90:0: scripts/kconfig/lkc.h:27:22: fatal error: lkc_defs.h: No such file or directory compilation terminated. make[1]: *** [scripts/kconfig/zconf.tab.o] Error 1 make: *** [menuconfig] Error 2 I am using latest version of Mint Linux