Meta-swupdate yocto gub instead of u-boot bootloader

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I want to use the swupdate meta layer in my yocto build framework. see: https://github.com/sbabic/meta-swupdate Before I build it with bitbake swupdateI do some configuration with bitbake -c menuconfig swupdate here I can find some configuration for change the bootloader from u-boot to grub. screenshot

Anytime when I call bitbake swupdatethe recipies u-boot is building... If I start only the bitbake u-boot I get an error:

Configuration file ".config" not found!

But there is no option bitbake -c menuconfig u-boot

I'm confused. Is there another .config file for u-boot?

openembedded yocto embedded-linux
1 Answers

If my understanding of the swupdate recipe is correct, the DEPENDS variable is automatically appended depending on the content of the defconfig file that is specified in SRC_URI or in config fragments[1]. Therefore, in order to remove u-boot from the DEPENDS variable, one needs to remove it from the defconfig that is unpacked in the recipe workdir. Running the menuconfig task won't probably be enough. One can probably remove U-Boot from the defconfig by running the menuconfig task, get the resulting defconfig output from the workdir and add it in a bbappend of the swupdate recipe.

[1] https://github.com/sbabic/meta-swupdate/blob/master/recipes-support/swupdate/swupdate.inc#L90-L150

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