[oe] [RFC] cpio.lzma compression level in bitbake.conf

[Andrea Adami]

On Fri, Mar 11, 2011 at 10:49 AM, Andrea Adami <andrea.adami at gmail.com> wrote:
>> I think this is something we can encapsulate in machine.conf files
>> so unless the general value in bitbake.conf does not fail for almost
>> all cases I would suggest to keep it and instead introduce a new
>> variable to control the level
>> -Khem
>
> Ok, but then we need a weak assignment in bitbake.conf to allow the
> setting  in machine conf.
>
> So, in bitbake.conf
>
> -IMAGE_CMD_cpio.lzma = "type cpio >/dev/null; cd ${IMAGE_ROOTFS} &&
> (find . | cpio -o -H newc | lzma -c -9
>>${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.lzma)
> ${EXTRA_IMAGECMD}"
>
> + LZMA_COMPRESSION_LEVEL ?= "-9"
> +IMAGE_CMD_cpio.lzma = "type cpio >/dev/null; cd ${IMAGE_ROOTFS} &&
> (find . | cpio -o -H newc | lzma -c ${LZMA_COMPRESSION_LEVEL}
>>${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.lzma)
> ${EXTRA_IMAGECMD}"
>
> And in machine.conf e.g.
> + LZMA_COMPRESSION_LEVEL ?= "-7"

Copy and paste is for the lazy..obviously I meant
+ LZMA_COMPRESSION_LEVEL = "-7"


>
> Acceptable?
>
> Regards
>
> Andrea
>