[yocto] Dependence from image type to image recipe

[Viguera, Javier]

Hi all,

I need a bit of help to add a dependence from an image type to an image recipe 
that build and initramfs.

A bit of background: I have an image type recovery.ubifs that boots using a 
ramdisk. The ramdisk is generated with a different image recipe 
(recovery-initramfs).

So whenever I configure any image (core-image-minimal, core-image-sato) to 
generate recovery images, it should build first the ramdisk and add it to the 
final recovery image.

In Jethro this was working file using IMAGE_DEPENDS in my custom image-creation 
class:

IMAGE_DEPENDS_recovery.ubifs = " \
mtd-utils-native:do_populate_sysroot \
u-boot:do_deploy \
virtual/kernel:do_deploy \
recovery-initramfs:do_rootfs \
"

Now I'm migrating to Morty, and this does not seem to work anymore. When 
instructed to generate a recovery image, it does not detect the dependence on 
the recovery-initramfs image, and fails to generate the final image.

How should I code such dependence? Remember is not a dependence from any other 
image recipe, it's a dependence from an image FSTYPE.

Hope the description is clear enough. Otherwise please say so and I'll try to 
explain it better.

--
Thanks.

Javier Viguera
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Re: [yocto] Dependence from image type to image recipe

[Viguera, Javier]

Hello Andrea,

On 20/02/17 15:45, Andrea Adami wrote:
> 
> Hello,
> I think you have just to adapt to the changes in oe-core [1]
> 
>  -recovery-initramfs:do_rootfs \
>  +recovery-initramfs:do_image_complete \
> 
> Cheers
> Andrea
> 
> 
> [1] 
> http://cgit.openembedded.org/openembedded-core/commit/?id=59a5f596ca29b1eb8283706e3c60fbb39f9c2c23

That was indeed needed, but not enough in my case. But now I know why.

Seems that the new code to generate images, does split IMAGE_FSTYPES in a 
basetype and then coversions.

So for dependences the code is looking for IMAGE_DEPENDS_recovery (without 
\.ubifs), because it thinks the basetype is 'recovery' while I was coding the 
dependences in IMAGE_DEPENDS_recovery.ubifs.

Renaming my image type to recovery_ubifs and changing the dependence to 
'do_image_complete' as you suggested fixes the problem.

Thanks for your help.

Javier Viguera
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[yocto] Literal curly braces inside python expression

[Viguera, Javier]

Hi all,

I'm having a hard time trying to put some literal curly braces in a python 
expression and I need a bit of help to solve this problem.

I minimal example to reproduce this. If in my recipe i have:

VAR1 = "1"
VAR2 = "${@base_conditional('VAR1', '1', '{ONE}', '{TWO}', d)}"

do_install() {
  echo "${VAR2}"
}

Getting the recipe environment I get:

# bitbake -e myrecipe | less

do_install() {
  ...
  echo "${@base_conditional('VAR1', '1', '{ONE}', '{TWO}', d)}"
  ...
}

So bitbake is not resolving the python expression.

If on the other hand I remove the curly braces:

VAR1 = "1"
VAR2 = "${@base_conditional('VAR1', '1', 'ONE', 'TWO', d)}"

then bitbake solves the expression correctly:

# bitbake -e myrecipe | less

do_install() {
  ...
  echo "ONE"
  ...
}

But I do need to put those curly braces. Is there a way?

Thanks in advance.

--
Javier Viguera


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