On Wed, Jul 4, 2012 at 9:56 PM, William Hubbs <willi...@gentoo.org> wrote: > Actually the directories do not need write permissions either. Take a > look at the O= option documented in /usr/src/linux/README.
The KBUILD_OUTPUT / O= option seems like the best solution to me (especially so as I build three kernel images from a single sources tree), and it works well, except that it sometimes doesn't with especially monstrous and hard to configure packages such as virtualbox-guest-additions — see bug #424816. [1] https://bugs.gentoo.org/show_bug.cgi?id=424816 -- Maxim Kammerer Liberté Linux: http://dee.su/liberte