Re: [Discuss-gnuradio] GNU Radio in Python Tutorial - installing python block without C++

[Martin Braun]

Michael,

we do point out in our tutorials that you require GNU Radio 3.7.4 or
later to run these tutorials. The possibility of writing Python-only
OOTs is the main reason for this.

However, you *probably* don't need to upgrade if you don't like. One way
to do this is to clone gr-tutorial, and remove all the source files,
then start adding them again as you go through the exercises.

Cheers,
M

On 10/21/2014 05:53 PM, Michael Rahaim wrote:
> Hi all,
> 
> I've been going through the tutorials with a fresh install of GNURadio
> (Version 3.7.2.1) through Ubuntu's package manager (Ubuntu 14.04) and
> I've run into a few issues when attempting to install a python block
> (without any C++, as indicated in the tutorial:
> http://gnuradio.org/redmine/projects/gnuradio/wiki/Guided_Tutorial_GNU_Radio_in_Python#Installing-Python-Blocks).
> 
> 
> I think I resolved the first issue below, but any pointers for resolving
> the second error would be greatly appreciated:
> 
> 1-) Running cmake threw an error "CMAKE error: cannot determine link
> language for target "gnuradio-tutorial"
> 
> -As mentioned in the "bug" report #522, I was able to eliminate the
> error by removing the lib folder and commenting out the line
> "add_subdirectory(lib)" from CMakeLists.txt
> 
> 
> 2-) Running make now gives the error when attempting to link the
> tutorial module:
> Linking CXX shared module _tutorial_swig.so
> /usr/bin/ld: cannot find -lgnuradio-tutorial
> collect2: error: ld returned 1 exit status
> 
> -Is there something else that needs to be edited before running cmake
> since there isn't any C++ code?
> 
> 
> Thanks in advance,
> 
> -Mike
> 
> 
> 
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