[PATCH v2 6/6] kbuild: pbl: use same compression algo for both barebox and DTB

[Sascha Hauer]

Hi Ahmad,

On Wed, Jul 13, 2022 at 11:57:30AM +0200, Ahmad Fatoum wrote:
> From: Ahmad Fatoum <ahmad at a3f.at>
> 
> lzop hasn't seen any activity since 2017 and has been recently removed
> from OpenEmbedded, which is unfortunate as we unconditionally use LZO
> for compressing device trees that are referenced via __dtb_z_.
> 
> To make barebox easier to integrate, use the same compression algorithm
> for both barebox and compressed DTB.
> 
> Note that the decompressor code will be in the image twice: Once in PBL
> in uncompressed form to decompress barebox proper and once in compressed
> form to decompress the DTB.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
> v1 -> v2:
>   - drop LZO/LZ4 hardcoding with autodetection, instead use same algo for both
> ---
>  arch/arm/cpu/start.c | 11 ++++++++---
>  images/Makefile      |  6 ------
>  pbl/Kconfig          |  5 ++++-
>  scripts/Makefile.lib | 11 ++++++++++-
>  4 files changed, 22 insertions(+), 11 deletions(-)

This patch breaks compilation of virt2real_defconfig:

/bin/sh: 1: Syntax error: ";" unexpected
make[1]: *** [scripts/Makefile.lib:349: arch/arm/dts/virt2real.dtb.z] Error 2
make: *** [Makefile:953: arch/arm/dts] Error 2
make: *** Waiting for unfinished jobs....

I haven't looked into it yet.

Sascha

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