[Buildroot] [PATCH] linux: CONFIG_KERNEL_LZO option requires host-lzop
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Tue May 14 09:16:51 UTC 2013
Dear Fabio Porcedda,
On Tue, 14 May 2013 11:02:32 +0200, Fabio Porcedda wrote:
> I know that the best solution is to depend on the linux kernel
> configuration, but I don't know a way to do that cleanly.
> Maybe some clever idea?
>
> Adding mandatory dependency is the simplest and always works but as
> you pointed it always builds host-lzop even when is not used.
>
> Choosing the compression within buildroot doesn't wok when using a
> defconfig or linux-xconfig target but at least does build host-lzop
> only when is used.
It does work, as long as the compression type is enforced by Buildroot,
regardless of what was selected by linux-xconfig or the defconfig.
That's what we do today for DEVTMPFS/DEVTMPFS_MOUNT/INITRAMFS_SOURCE
for example.
However, before going ahead and implementing that, I'd like to have the
opinion of Peter and maybe others.
Thomas
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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