Re: [Buildroot] [PATCH v2 2/2] package/gnuradio: fix gnuradio python libraries for cross-compile - Gwenhael Goavec-Merou

From: Gwenhael Goavec-Merou <gwenj@trabucayre.com>
To: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>,
	Arnout Vandecappelle via buildroot <buildroot@buildroot.org>
Subject: Re: [Buildroot] [PATCH v2 2/2] package/gnuradio: fix gnuradio python libraries for cross-compile
Date: Mon, 17 Jul 2023 17:17:42 +0200	[thread overview]
Message-ID: <20230717171742.457b0500@x230> (raw)
In-Reply-To: <20230710202503.0219463b@windsurf>

Thomas, Arnout, all
Sorry for delay, was away for a correct/stable connection.

On Mon, 10 Jul 2023 20:25:03 +0200
Thomas Petazzoni <thomas.petazzoni@bootlin.com> wrote:

> Hello Gwenhael,
> 
> On Fri, 7 Jul 2023 11:44:21 +0200
> Arnout Vandecappelle via buildroot <buildroot@buildroot.org> wrote:
> 
> > > In fact I see I have missed to explain in my message this issue is
> > > related to pybind.
> > > If PYTHON_MODULE_EXTENSION is unset, .cmake uses a python script
> > > containing sysconfig.get_config_var('EXT_SUFFIX')
> > > This one return .cpython-311-x86_64-linux-gnu.so, because host-python is
> > > used.    
> > 
> >   Ah, in that case the environment variable you need is 
> > _PYTHON_SYSCONFIGDATA_NAME="$(PKG_PYTHON_SYSCONFIGDATA_NAME)"
> > This will make sure the sysconfig that gets used is the one for the target 
> > instead of for the host.
> > 
> >   It's quite likely that you need all of PKG_PYTHON_ENV to be present in
> > the environment.  
> 
> Have you had the chance to test this suggestion from Arnout?
> 
Adding:
GNURADIO_CONF_ENV += _PYTHON_SYSCONFIGDATA_NAME="$(PKG_PYTHON_SYSCONFIGDATA_NAME)" \
    PYTHONPATH=$(PYTHON3_PATH)
Do the job.
Thanks. I have to redo my patch
> Thomas

Gwen
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