Re: [gentoo-user] ZFS on Linux (spl build error)

[Bruce Hill]

On Sat, Dec 14, 2013 at 01:13:06AM +0100, Volker Armin Hemmann wrote:
> >
> > Any time you can't see how to enable a kernel option, just search for it and
> > look at the Selected By field to see what you need to turn it on:
> >
> > Symbol: ZLIB_DEFLATE [=y]
> > Type  : tristate
> >   Defined at lib/Kconfig:198
> >   Selected by: PPP_DEFLATE [=n] && NETDEVICES [=y] && PPP [=n] || BTRFS_FS [=n] && BLOCK [=y] || JFFS2_ZLIB [=n] && MISC_FILESYSTEMS [=y] && JFFS2_FS [=n] || LOGFS [=n] && MISC_FILESYSTEMS [=y] && (MTD [=n] || BLOCK [=y]
>
> and you are missing half of it:
> Selected by: PPP_DEFLATE [=n] && NETDEVICES [=y] && PPP [=n] || BTRFS_FS
> [=n] && BLOCK [=y] || JFFS2_ZLIB [=n] && MISC_FILESYSTEMS [=y] &&
> JFFS2_FS [=n] || LOGFS [=n] && MISC_FILESYSTEMS [=y] && (MTD [=n] ||
> BLOCK [=y]) || CRYPTO_DEFLATE [=y] && CRYPTO [=y] || CRYPTO_ZLIB [=m] &&
> CRYPTO [=y]
>
> oh look: crypto_zlib turns it on too.
>
> > My personal preference is nconfig ... easy to navigate, nice colors on black bgd.
>
> but it seems that nconfig is hiding information from you, that xconfig
> delivers.

No, it was 100% user error. Trying to do 14 things at once, and no matter what
any human says, when we "multi-task" we don't do *any* of the >1 tasks as well
as we do "exec task1 ; exec task2 ; exec task3 ; done"

Here's what I should have pasted:

Selected by: PPP_DEFLATE [=n] && NETDEVICES [=y] && PPP [=n] || BTRFS_FS [=n] && BLOCK [=y] || JFFS2_ZLIB [=n] && MISC_FILESYSTEMS [=y] && JFFS2_FS [=n] || LOGFS [=n] && MISC_FILESYSTEMS [=y] && (MTD [=n] || BLOCK [=y]) || PSTORE [=n] && MISC_FILESYSTEMS [=y] || CRYPTO_DEFLATE [=y] && CRYPTO [=y] || CRYPTO_ZLIB [=y] && CRYPTO [=y]
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