It may be the case that gr-sigmf hasn’t been converted to gr-3.8 yet. 

The gr-sigmf folks are on this list as far as I know. 

Sent from my iPhone

> On Jun 18, 2020, at 11:39 AM, Ellie White <elliewhite1...@gmail.com> wrote:
> 
> 
> Hi Marcus,
> 
> Thanks so much for the advice, I really appreciate it! So when I tried that, 
> it did work, and I was able to run a flowgraph successfully in GNU Radio 3.7, 
> so that's good. 
> 
> In the process of attempting to install some more packages (specifically 
> gr-ata), I found that I needed to upgrade to GNU Radio version 3.8 or 3.9. So 
> I followed these instructions: 
> https://wiki.gnuradio.org/index.php/InstallingGR#Ubuntu_PPA_Installation to 
> install GNU Radio 3.9.0. Then, I deleted the gr-sigmf directory I had cloned 
> and built from, then attempted to re-install gr-sigmf (again using these 
> instructions: https://github.com/skysafe/gr-sigmf). For some reason I now can 
> get through running cmake, but things get stuck when I try to run make; 
> here's the output: 
> 
> [  2%] Building CXX object lib/CMakeFiles/gnuradio-sigmf.dir/sink_impl.cc.o
> /home/ewhite/src/gr-sigmf/lib/sink_impl.cc: In static member function ‘static 
> gr::sigmf::sink::sptr gr::sigmf::sink::make(std::__cxx11::string, 
> std::__cxx11::string, gr::sigmf::sigmf_time_mode, bool)’:
> /home/ewhite/src/gr-sigmf/lib/sink_impl.cc:81:40: error: could not convert 
> ‘gnuradio::get_initial_sptr(T*) [with T = gr::sigmf::sink_impl]()’ from 
> ‘std::shared_ptr<gr::sigmf::sink_impl>’ to ‘gr::sigmf::sink::sptr {aka 
> boost::shared_ptr<gr::sigmf::sink>}’
>        return gnuradio::get_initial_sptr(new sink_impl(type, filename, 
> time_mode, append));
>               
> ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from /usr/include/gnuradio/basic_block.h:16:0,
>                  from /usr/include/gnuradio/block.h:15,
>                  from /usr/include/gnuradio/sync_block.h:15,
>                  from /home/ewhite/src/gr-sigmf/include/sigmf/sink.h:24,
>                  from /home/ewhite/src/gr-sigmf/lib/sink_impl.h:33,
>                  from /home/ewhite/src/gr-sigmf/lib/sink_impl.cc:45:
> /home/ewhite/src/gr-sigmf/lib/sink_impl.cc: In member function ‘void 
> gr::sigmf::sink_impl::on_command_message(pmt::pmt_t)’:
> /home/ewhite/src/gr-sigmf/lib/sink_impl.cc:306:55: error: invalid operands of 
> types ‘const char [22]’ and ‘uint64_t {aka long unsigned int}’ to binary 
> ‘operator<<’
>          GR_LOG_INFO(d_logger, "setting capture meta(" << index_int << "," << 
> key << ", " << val << ")");
>                                ~~~~~~~~~~~~~~~~~~~~~~~~^~~~
> lib/CMakeFiles/gnuradio-sigmf.dir/build.make:110: recipe for target 
> 'lib/CMakeFiles/gnuradio-sigmf.dir/sink_impl.cc.o' failed
> make[2]: *** [lib/CMakeFiles/gnuradio-sigmf.dir/sink_impl.cc.o] Error 1
> CMakeFiles/Makefile2:174: recipe for target 
> 'lib/CMakeFiles/gnuradio-sigmf.dir/all' failed
> make[1]: *** [lib/CMakeFiles/gnuradio-sigmf.dir/all] Error 2
> Makefile:140: recipe for target 'all' failed
> make: *** [all] Error 2
> 
> Do you have any idea what might be going on here, or what I should do next? 
> Thanks Marcus! Have a good morning.
> 
> Cheers,
> Ellie
> 
>> On Thu, Jun 18, 2020 at 10:46 AM Marcus D. Leech <patchvonbr...@gmail.com> 
>> wrote:
>> On 06/18/2020 09:45 AM, Ellie White wrote:
>>> Hi again, all -- 
>>> 
>>> Ok, so thanks to Marcus I was able to get through installing gr-sigmf. 
>>> However, I just attempted to make a flow graph using a sigMF source and 
>>> unfortunately have hit another roadblock; when I attempt to run the 
>>> flowgraph (attached; it is not well-developed yet but I was just testing 
>>> some things), I get the following error: 
>>> 
>>> Traceback (most recent call last):
>>>   File "/home/ewhite/research/ewhite-bl-seti/top_block.py", line 29, in 
>>> <module>
>>>     import gr_sigmf
>>>   File "/usr/local/lib/python2.7/dist-packages/gr_sigmf/__init__.py", line 
>>> 63, in <module>
>>>     _prepare_sigmf_swig()
>>>   File "/usr/local/lib/python2.7/dist-packages/gr_sigmf/__init__.py", line 
>>> 43, in _prepare_sigmf_swig
>>>     import gr_sigmf_swig
>>>   File "/usr/local/lib/python2.7/dist-packages/gr_sigmf/gr_sigmf_swig.py", 
>>> line 17, in <module>
>>>     _gr_sigmf_swig = swig_import_helper()
>>>   File "/usr/local/lib/python2.7/dist-packages/gr_sigmf/gr_sigmf_swig.py", 
>>> line 16, in swig_import_helper
>>>     return importlib.import_module('_gr_sigmf_swig')
>>>   File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
>>>     __import__(name)
>>> ImportError: No module named _gr_sigmf_swig
>>> 
>>> Is there some additional package or module I need to install here, or did 
>>> something go wrong when I installed the blocks? If anyone has any 
>>> suggestions on how to fix this I'd be really grateful. 
>>> 
>>> Have a good day and take care! 
>>> 
>>> Thanks,
>>> Ellie
>>> 
>>> 
>> After doing the install, try:
>> 
>> sudo ldconfig
>> 
>> And see if that fixes things.
>> 
>> 
> 
> 
> -- 
> Ellie White
> Co-Director, Open Source Radio Telescopes
> Student at Marshall University
> 304-654-9381
> www.catseyeenterprises.net

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