Re: Problems with gr-modtool on Ubuntu 20.04 (gnuradio 3.10.4)

[Vasil Velichkov]

Hi Michael,

Your problem looks a lot like one described in the USRP manual 
https://files.ettus.com/manual/page_build_guide.html#generate_unix

> If you encounter this issue, ensure that /usr/bin appears before /bin in the 
> PATH environment variable of the process executing CMake. Alternatively, you 
> can pass the CMAKE_FIND_ROOT_PATH configuration variable to CMake with a 
> value of /usr to point it to the right starting directory for filesystem item 
> searches.
> 
> Example usage:
> 
> cmake -DCMAKE_FIND_ROOT_PATH=/usr ../

Regards,
Vasil

On 03/10/2022 21.12, Michael Matthews wrote:
> Hi Vasil,
> 
> I installed gnuradio from the ppa. Specifically, I did:
> 
>          $ sudo add-apt-repository ppa:gnuradio/gnuradio-releases
>          $ sudo apt-get update
>          $ sudo apt-get install gnuradio python3-packaging
>          $ sudo apt install libiio-dev libad9361-dev libspdlog-dev 
> python3-packaging python3-jsonschema
>          $ sudo apt-get install gnuradio-dev cmake libspdlog-dev clang-format
> 
> The instillation wiki does note that the python packaging module might need 
> to 
> be installed using pip for 3.10. Running that installation just tells me that 
> "the requirement is already satisfied" so I believe it is already up to date. 
> It 
> is also mentioned on Ubuntu 18.04 there is an issue with gr_modtool when 
> installed from the PPA, but it says the issue is not appearing for Ubuntu 19 
> and 
> later.
> 
> As far as the date_time dependency is concerned, I am unsure where that is 
> being 
> used. I did not import it myself. The Cmake was procedurally generated using 
> the 
> gr-modtool, following the tutorial exactly. The tutorial is fairly simple, 
> adding a boolean selector, which determines whether two input values should 
> either be multiplied or divided with:
> 
> {
>      auto in0 = static_cast<const input_type*>(input_items[0]);
>      auto in1 = static_cast<const input_type*>(input_items[1]);
>      auto out = static_cast<output_type*>(output_items[0]);
> 
>      for (int index = 0; index < noutput_items; index++) {
>          if (_selector) { out[index] = in0[index] * in1[index]; }
>          else{ out[index] = in0[index] / in1[index]; }
>      }
> 
>      // Tell runtime system how many output items we produced.
>      return noutput_items;
> }
> 
> Thank you for your help,
> 
> Michael Matthews
> Graduate Software Engineer
> Mobile: +1 847 714 4809
> 
>       
> Micro-X <https://micro-x.com>
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> 
> -----Original Message-----
> From: Vasil Velichkov <vvvelichkov@gmail.com>
> Sent: Monday, October 3, 2022 8:47 AM
> To: Michael Matthews <mmatthews@micro-x.com>; discuss-gnuradio@gnu.org
> Subject: Re: Problems with gr-modtool on Ubuntu 20.04 (gnuradio 3.10.4)
> 
> Hi Michael,
> 
> On 03/10/2022 08.21, Michael Matthews wrote:
>  > Hello,
>  >
>  > I am new to gnuradio and have been going through the tutorials. I have 
> been 
> specifically interested in Creating C++  OOT with 
> gr-modtool<https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.gnuradio.org%2Findex.php%3Ftitle%3DCreating_c%252B%252B_OOT_with_gr-modtool&amp;data=05%7C01%7Cmmatthews%40micro-x.com%7C579e753e09184cc1a5f808daa5567e76%7Cad206e7b8a5d4d9aabf6ab3a9fd2c934%7C0%7C0%7C638004088163904380%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=JH2zIC9QFD5elNu5PDZ8FmvCNhP6UF%2FNbYC25GDNN9w%3D&amp;reserved=0>
>  
> but I seem to be getting errors when trying to use cmake to create the make 
> files.
> 
>  > CMake Error in lib/CMakeLists.txt:
>  >   Imported target "gnuradio::gnuradio-runtime" includes non-existent path
>  >
>  >     "/include"
>  >
>  >   in its INTERFACE_INCLUDE_DIRECTORIES.  Possible reasons include:
> 
> You are probably missing some development dependency installed on your 
> system. 
> How did you install gnuradio 3.10.4 - from the ppa, from source, ...?
> 
>  > CMake Error in python/customModule/bindings/CMakeLists.txt:
>  >   Imported target "Boost::date_time" includes non-existent path
>  >
>  >     "/include"
>  >
>  >   in its INTERFACE_INCLUDE_DIRECTORIES.  Possible reasons include:
> 
> This Boost::data_time dependency is a bit strange. Have you tried adding this 
> to 
> your OOT module?
> 
> Regards,
> Vasil
>