My money is on this being a linking error. Did you ensure the proper linking is being done in the cmake file?
Also, when I had I a similar problem this helped debug: in the python/ directory, look at the __init__.py file and remove the try / except around the "from xxx_swig import *". You should actually see what the issue is once you run it again. I suspect an undefined symbol. PWG ________________________________ From: Discuss-gnuradio <[email protected]> on behalf of Myers, David <[email protected]> Sent: Thursday, January 19, 2017 1:36:09 PM To: [email protected] Cc: Harper, Andrew Subject: [Discuss-gnuradio] issue with boost::chrono:: Hello, I'm trying to use boost::chrono clocks in my OOT block. When I try to include the following line of code in this block all the blocks in the OOT module to stop working: boost::chrono::system_clock::now(); To be clear my OOT module still compiles and installs without error, but with this line of code in a single block all my blocks fail to run. Anytime I try to run a block from my OOT module in GNURadio I get the following error: AttributeError: 'module' object has no attribute 'name_of_my_oot_block' It's worth noting I am able to compile and run code using the same boost::chrono functions outside GNU Radio using a gcc compiler with no issue. I'm using GNU Radio v3.7.10.1 and my block uses the following special include testaments: #include <boost/chrono.hpp> #include <boost/thread/locks.hpp> #include <boost/thread/thread.hpp> Any guidance you can offer would be greatly appreciated! With thanks, David Myers Georgia Tech Research Institute
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