Re: Problem building OOTs with GR 3.9.3.0 PPA package

[Daniel Estévez]

Hi,

I can confirm that when the Docker container builds, it's installing 
pybind11-dev 2.5.0 from the PPA, as schneider mentions.

This happens in https://github.com/daniestevez/gr-satellites/runs/3910245472

Get:406 http://ppa.launchpad.net/gnuradio/gnuradio-releases/ubuntu 
focal/main amd64 pybind11-dev all 2.5.0-4~ubuntu20.04.1~ppa1 [138 kB]

Yet I get the import error. So it seems something is wrong regarding the 
pybind11-dev package in the PPA?

Best,

Dani

El 16/10/21 a las 20:10, schneider escribió:
> Hi
>
> I'm experiencing the same issue with our OOT. I've got pybind11-devc
> 2.5.0-4~ubuntu20.04.1~ppa1 installed from the PPA.
>
> If I also install gnuradio-dev from the PPA, I get the error mentioned
> by Daniel. If I build GNURadio 3.9.3 from source (same pybind version as
> mentioned above), the error goes away.
>
> It's not obvious to me what happening. My first questions would be: Was
> gnuradio-dev in the PPA built using the pybind11 version which is
> available in the PPA? Does pybind11 version in the PPA need an update?
>
> Best
> schneider
>
> On 15.10.21 22:55, Ron Economos wrote:
> > I just went through this myself with a user of my OOT's. It's due to a
> > pybind11 version mismatch. The PPA is built with pybind11 v2.5.0 and if
> > your system (such as Ubuntu 20.04) has a different version, you get that
> > import error.
> >
> > You have to build/install pybind11 v2.5.0 on your system to resolve the
> > issue.
> >
> > Here's the issue on my Github for reference.
> >
> > https://github.com/drmpeg/gr-dvbgse/issues/3
> >
> > Ron
> >
> > On 10/15/21 12:30 PM, Daniel Estévez wrote:
> > > Hi,
> > >
> > > I've encountered a problem in the gr-satellites continuous integration
> > > that I've traced to the change from GNU Radio 3.9.2.0 to 3.9.3.0 in
> > > the Ubuntu 20.04 PPA package (which is what I'm using in my CI Docker
> > > container).
> > >
> > > The problem is that after building gr-satellites from source using GNU
> > > Radio 3.9.3.0 from the PPA package I get this error when importing the
> > > Python module:
> > >
> > > Traceback (most recent call last):
> > >    File "<string>", line 1, in <module>
> > >    File "/usr/local/lib/python3/dist-packages/satellites/__init__.py",
> > > line 44, in <module>
> > >      from .satellites_python import *
> > > ImportError: generic_type: type "ax100_decode" referenced unknown base
> > > type "gr::block"
> > >
> > > The are no unusual messages during the compilation of gr-satellites.
> > >
> > > If instead of using the PPA package I build GNU Radio 3.9.3.0 from
> > > source, then everything works.
> > >
> > > I haven't tried to do this with other OOT modules. Has anyone
> > > encountered this problem?
> > >
> > > I have some Dockerfiles that can be used to replicate this problem.
> > > See here:
> > >
> > > https://github.com/daniestevez/gr-satellites/issues/303#issuecomment-944604966
> > >
> > >
> > > Best,
> > > Dani.

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