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Re: gr-fosphor (pybombs): CMake Error: The following variables are used

From: Vasil Velichkov
Subject: Re: gr-fosphor (pybombs): CMake Error: The following variables are used in this project, but they are set to NOTFOUND
Date: Mon, 22 Nov 2021 16:11:42 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0

Hi Marcin,

On 21/11/2021 20.48, Marcin Puchlik via GNU Radio, the Free & Open-Source 
Toolkit for Software Radio wrote:
> Please set them or make sure they are set and tested correctly in the CMake 
> files:
> /home/ubuntu/prefixes/gnuradio39/src/gr-fosphor/lib/Boost_INCLUDE_DIR
>    used as include directory in directory 
> /home/ubuntu/prefixes/gnuradio39/src/gr-fosphor/lib/

Usually such errors indicate that the development files for a library are not 
installed (Boost in your case)

> -- Found Boost: /lib/x86_64-linux-gnu/cmake/Boost-1.71.0/BoostConfig.cmake 
> (found suitable version "1.71.0", minimum required is "1.65") found 
> components: system chrono thread

But it seems that you do have them. Also as you are using pybombs it should 
install the boost development packages in case they are not installed.

First check what is the value of the various boost variables in CMakeCache.txt

  grep -i boost 

Then make sure that you have libboost-all-dev package installed and installed 
it if missing. Then delete the build directory (or CMakeCache.txt) and try a 
clean rebuild.

> GNU Radio version:

Which Ubuntu version are you using?


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