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Re: Undefined symbol _ZN2gr12msg_accepter4postEN5boost13intrusive_ptrIN3
Re: Undefined symbol _ZN2gr12msg_accepter4postEN5boost13intrusive_ptrIN3pmt8pmt_baseEEES5_
Mon, 8 Nov 2021 16:28:30 +0100
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0
as discussed on chat: this happens if, and only if, you're linking at build
time to a
different library than your runtime shared library loader finds.
The fix is simple: make sure you've *not* got two versions of GNU Radio around,
which your linker finds during building of gr-osmosdr, and a different one your
On 04.11.21 20:35, John Coppens wrote:
> Hi all.
> I've been suffering trying to install gnuradio. I tried different versions,
> and different
> combinations with gr-osmosdr, as I don't see a list of which versions go
> Using, eg. gr-osmosdr.so.0.2.0 and gnuradio-188.8.131.52, which I have compiled
> on my Slackware64-current system, I get an error at run-time:
> Executing: /usr/bin/python3 -u /usr/local/projects/rf/gnuradio/VHF_NBFM.py
> Traceback (most recent call last):
> File "/usr/local/projects/rf/gnuradio/VHF_NBFM.py", line 40, in <module>
> import osmosdr
> File "/usr/lib64/python3.9/site-packages/osmosdr/__init__.py", line 25, in
> from .osmosdr_swig import *
> File "/usr/lib64/python3.9/site-packages/osmosdr/osmosdr_swig.py", line 13,
> in <module>
> from . import _osmosdr_swig
> ImportError: /usr/lib64/libgnuradio-osmosdr.so.0.2.0: undefined symbol:
> c++filt translates that symbol to
> I have Python 3.9.5, Slackware64-current, librtlsdr installed and working
> (the included
> codes runs fine). SWIG is version 4.0.2.
> The gr-osmosdr problem seems to be the only remaining issue.
> Can anyone indicate me where to search?