Re: [gentoo-dev] USE="minimal" for kernel sources

[solar]

On Mon, 2005-09-05 at 22:08 +0300, Petteri Räty wrote:
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> I have a couple of old machines I maintain and emerging and unmerging
> kernel sources take a while because there are so many files. Also one
> set of gentoo sources takes about 230MB of disk space. By removing stuff
> not belonging to x86 I was able to succesfully run make with 58MB/230MB
> removed. The stuff I removed:
> arch/* except i386 and x86_64
> include/asm-* expect asm-generic, asm-i386 and asm-x86_64


> So I propose we implement a minimal USE flag in the kernel-2 eclass that
> would make the cleaning I succested before the merging. One problem
> coming from the clean is that make clean does not work and at the moment
> it is run before unmerging, which is of course a good thing. If the
> kernel devs think this is a good idea, I can make an implementation for
> this.

Would something like an unpack.mask/UNPACK_MASK="paths/ wildcards.."
work for you? Perhaps you can simply just take advantage of tar's
--exclude=/-e options in the unpack() function of ebuild.sh when
USERLAND == GNU.  Untested patch attached if you want to play
with/perfect the idea. By excluding it from tar you should be able to
save space/cpu/ram all the way around the board while getting the same
end result.