gentoo_box ~ # genkernel --menuconfig all
* Gentoo Linux Genkernel; Version 3.4.4
* Running with options: --menuconfig all

* Linux Kernel 2.6.18-gentoo-r4 for x86...
* mount: /boot mounted successfully!
* kernel: >> Running mrproper...
* config: Using config from /etc/kernels/kernel-config-x86-2.6.18-gentoo-r4
*         Previous config backed up to .config.bak
*         >> Running oldconfig...
* kernel: >> Cleaning...
* config: >> Invoking menuconfig...
#
# configuration written to .config
#


*** End of Linux kernel configuration.
*** Execute 'make' to build the kernel or try 'make help'.

*         >> Compiling 2.6.18-gentoo-r4 bzImage...