Re: [Buildroot] [PATCH 1/1] package/jailhouse: fix build when python helper scripts are enabled

[Thomas Petazzoni via buildroot <buildroot@buildroot.org>]

Hello,

On Mon, 28 Oct 2024 20:22:09 +0100
Julien Olivain <ju.o@free.fr> wrote:

> I agree, the Python error message is somewhat cryptic ;) The hint is
> "sysconfig.py". A more detailed explanation of the situation would be:
> 
> """
> Jailhouse Python scripts are using setuptools with host-python3 which
> reads its sysconfig data from the target-python3. See:
> https://gitlab.com/buildroot.org/buildroot/-/blob/2024.08.1/package/pkg-python.mk?ref_type=tags#L33
> 
> If the target python3 is not installed, this get expanded as an empty
> string, leading to this "ValueError: Empty module name" error.
> 
> Pure Python packages which are using the python-package infrastructure
> usually get this dependency automatically from:
> https://gitlab.com/buildroot.org/buildroot/-/blob/2024.08.1/package/pkg-python.mk?ref_type=tags#L295
> 
> Here, the jailhouse package rather uses the generic-package
> infrastructure, then installs the Python scripts (if enabled) with
> dedicated macros. This is why the target python3 is needed.
> """
> 
> Do you want me to send a v2 adding that to the commit log?

Yes, would be nice, thanks a lot!

Thomas
-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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