[Buildroot] [PATCH 1/1 v2] build host lz4 to support lz4 compression in the kernel.

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Wed Apr 1 20:37:52 UTC 2015


Dear Sagaert Johan,

On Wed,  1 Apr 2015 22:12:33 +0200, Sagaert Johan wrote:

> +# lz4 kernel compression is only available on ARM and kernel >= 3.11
> +# we always build host-lz4 when the target is ARM.
> +# (how could i use LINUX_VERSION_PROBED to check for >=3.11 ?)
> +ifeq ($(BR2_arm),y)
> +LINUX_DEPENDENCIES += host-lz4
> +endif

No that still isn't good: LZ4 compressed kernel is available on ARM,
MIPS, x86 and S390 (we don't care about the latter in Buildroot).

No, I really think we need to add new options in linux/Config.in.

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com


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