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radxa / apt

radxa debian packages repository
http://radxa.com/Rabian
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libmraa broken dependency libjson-c3 in Ubuntu focal 20.04 #18

Closed myroad94 closed 2 years ago

myroad94 commented 2 years ago

Hi,

Hardware: Rock Pi 4C with Penta HAT

OS: Ubuntu https://github.com/radxa/rock-pi-images-released/releases/download/v20210824/rockpi4c_ubuntu_focal_server_arm64_20210823_2200-gpt.img.gz

Current behavior: When following https://wiki.radxa.com/Penta_SATA_HAT curl -sL https://rock.sh/get-rockpi-penta | sudo -E bash -

It fails during the installation of libmraa E: Package 'libjson-c3' has no installation candidate

Expected behavior: Installation of get-rockpi-penta works.

Analysis: The dependency libjson-c3 exist in Ubuntu Bionic but not in Focal anymore. It seems to me that it has been replaced by libjson-c4 in Focal (20.04). And libjson-c5 in Ubuntu Hirsuite (21.04).

Solution: Replace in https://github.com/radxa/apt/blob/gh-pages/focal-stable/dists/focal/main/binary-arm64/Packages#L151 the dependency by libjson-c4.

myroad94 commented 2 years ago

Workaround: I remark that the fix is done at focal-testing https://github.com/radxa/apt/blob/gh-pages/focal-testing/dists/focal/main/binary-arm64/Packages#L201 So we can use focal-testing branch of apt radxa:

sudo sed -i -E "s,^deb(.*)focal-stable(.*),#deb\1focal-stable\2,g" /etc/apt/sources.list.d/apt-radxa-com.list
sudo sed -i -E "s,^#( *)deb(.*)focal-testing(.*),deb\2focal-testing\3,g" /etc/apt/sources.list.d/apt-radxa-com.list

Then the installation works.

StephenInVamrs commented 2 years ago

Package libmraa (v1.6) fixes this issue of broken dependency libjson-c3.