u-boot-mkimage already builds mkenvimage, you just need to install it in
do_install:

    install -m 0755 tools/mkenvimage ${D}${bindir}/uboot-mkenvimage
    ln -sf uboot-mkenvimage ${D}${bindir}/mkenvimage

This is what we have in recipes-bsp/u-boot/u-boot-mkimage_%.bbappend and it
works fine.

On Mon, Apr 30, 2018 at 8:50 AM, Martin Hundebøll <mnhu@prevas.dk> wrote:

> Hi Lukasz,
>
> On 2018-04-27 16:51, Lukasz Majewski wrote:
>
>> This commit provides the ability to generate u-boot environment(s) as
>> images, which afterwards can be used to produce image (with wic) for
>> flashing (eMMC or SPI-NOR).
>>
>> This change removes the need to run "env default" during production phase,
>> as proper environment (including redundant one) is already stored on
>> persistent memory (the CRC is also correct).
>>
>
> I think we should create a separate recipe to install the native
> mkenvimage binary (e.g. u-boot-mkenvimage_%.bb) or update
> u-boot-mkimage_%.bb install it.
>
> Then a new recipe to create the environment images can depend on
> u-boot-mkenvimage-native.
>
> Also note the recently added upstream support for external environment
> definitions:
> http://git.denx.de/?p=u-boot.git;a=commit;h=f3d8f7dd73ac5dde
> 258eb786d4a01869395b56d7
>
> For our usecase we need the ability to generate environment images in
> yocto from such external definitions.
>
> // Martin
>
>
>> Signed-off-by: Lukasz Majewski <lukma@denx.de>
>>
>> ---
>> This patch depends on "u-boot: Upgrade to 2018.03 release"
>> https://patchwork.openembedded.org/patch/149998/
>> ---
>>   meta/recipes-bsp/u-boot/u-boot.inc | 35 ++++++++++++++++++++++++++++++
>> +++++
>>   1 file changed, 35 insertions(+)
>>
>> diff --git a/meta/recipes-bsp/u-boot/u-boot.inc
>> b/meta/recipes-bsp/u-boot/u-boot.inc
>> index c2bcf99840..2796e503cf 100644
>> --- a/meta/recipes-bsp/u-boot/u-boot.inc
>> +++ b/meta/recipes-bsp/u-boot/u-boot.inc
>> @@ -305,3 +305,38 @@ do_deploy () {
>>   }
>>     addtask deploy before do_build after do_compile
>> +
>> +# Create new rules to extract default envs
>> +UBOOT_ENVS_DEFAULT ?= "uboot-envs-default"
>> +DEFAULT_ENVS ?= "u-boot-env-default.txt"
>> +DEFAULT_ENVS_SIZE ?= "65536"
>> +
>> +# Generate default environment
>> +do_gen_default_envs[doc] = "Generate image with default U-Boot
>> environment(s)"
>> +do_gen_default_envs () {
>> +       ${B}/source/scripts/get_default_envs.sh ${B} >
>> ${B}/${DEFAULT_ENVS}
>> +
>> +       # Generate env image
>> +       ${B}/tools/mkenvimage -s ${DEFAULT_ENVS_SIZE} -o
>> ${B}/${UBOOT_ENVS_DEFAULT} ${B}/${DEFAULT_ENVS}
>> +
>> +       # Generate redundant env image
>> +       ${B}/tools/mkenvimage -r -s ${DEFAULT_ENVS_SIZE} -o
>> ${B}/${UBOOT_ENVS_DEFAULT}_r ${B}/${DEFAULT_ENVS}
>> +
>> +       rm ${B}/${DEFAULT_ENVS}
>> +}
>> +
>> +addtask gen_default_envs before do_deploy_default_envs after do_compile
>> +
>> +# Deploy default environment
>> +do_deploy_default_envs[doc] = "Copy images with default U-Boot
>> environment to deployment directory"
>> +do_deploy_default_envs () {
>> +       install -d ${DEPLOYDIR}
>> +
>> +       install ${B}/${UBOOT_ENVS_DEFAULT} ${DEPLOYDIR}/${UBOOT_ENVS_DEFA
>> ULT}
>> +       install ${B}/${UBOOT_ENVS_DEFAULT}_r
>> ${DEPLOYDIR}/${UBOOT_ENVS_DEFAULT}_r
>> +
>> +       rm ${B}/${UBOOT_ENVS_DEFAULT}
>> +       rm ${B}/${UBOOT_ENVS_DEFAULT}_r
>> +}
>> +
>> +addtask deploy_default_envs before do_deploy after do_gen_default_envs
>>
>> --
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