PPA compiling RISC-V binaries

Asked by Florian


I am a member of the Eclipse eCAL team. eCAL is a middleware from the Eclipse Software Defined Vehicle group. The Eclipse Foundation is partner of the OpenHW Group.

We would like to try compiling eCAL on RISC-V. In the PPA settings I have seen, that there is a "RISC-V" checkbox, that I however cannot activate myself. I assume, the limitation is due to computational power on RISC-V hardware by launchpad and/or due to the beta-status of RISC-V Ubuntu.

My questions now are:
- What are the reasons for the checkbox being disabled?
- Would it be possible to activate RISC-V for one or multiple of our PPAs?
- What do we have to consider to ensure fair-use of Launchpad's resources?

Thanks in advance 😊

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Colin Watson (cjwatson) said :

The reason that checkbox is disabled is because our RISC-V builders aren't currently properly secured: a build run on them could currently contaminate other builds run later on the same builder. As a result of that, we can only offer RISC-V build capability to Canonical employees or Ubuntu core developers.

We hope to be able to lift this restriction in the next few months, once a new internal cloud region comes online. At that point you'll be able to enable that checkbox yourself.

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Florian (freim) said :

Thank you very much, I am looking forward to this!

I think we may start with tests on local hardware, until then. Do you have any recommendations for running Ubuntu and compiling software for RISC-V? QEmu? One of those dev boards?

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