Re: [Discuss-gnuradio] cmake error

[Martin Braun]

Are you using the latest GNU Radio? It was not possible to do Py-only
OOTs until recently.

M

On 08/21/2014 11:05 AM, sreena p h wrote:
> Hi
> 
> I tried to implement python OOT module as given in the new tutorial.
> Everything was fine till I reached the installation step. cmake command
> made the following error.. 
> -- Build type not specified: defaulting to release.
> -- Boost version: 1.49.0
> -- Found the following Boost libraries:
> --   filesystem
> --   system
> You have called ADD_LIBRARY for library gnuradio-qpsk_demod without any
> source files. This typically indicates a problem with your
> CMakeLists.txt file
> -- Configuring done
> CMake Error: CMake can not determine linker language for
> target:gnuradio-qpsk_demod
> 
> Going through mailing list I found that this can be overcome by removing
> the lib subdirectory from the CMakeLists.txt file. I removed that file
> and run cmake .. It ran fine. Then make command was given,.. the
> following was the result
> 
> Scanning dependencies of target _qpsk_demod_swig_swig_tag
> [  6%] Building CXX object
> swig/CMakeFiles/_qpsk_demod_swig_swig_tag.dir/_qpsk_demod_swig_swig_tag.cpp.o
> Linking CXX executable _qpsk_demod_swig_swig_tag
> [  6%] Built target _qpsk_demod_swig_swig_tag
> Scanning dependencies of target _qpsk_demod_swig_doc_tag
> [ 13%] Building CXX object
> swig/CMakeFiles/_qpsk_demod_swig_doc_tag.dir/_qpsk_demod_swig_doc_tag.cpp.o
> Linking CXX executable _qpsk_demod_swig_doc_tag
> [ 13%] Built target _qpsk_demod_swig_doc_tag
> [ 20%] Generating doxygen xml for qpsk_demod_swig_doc docs
> warning: Tag `SHOW_DIRECTORIES' at line 477 of file
> /home/ttl/Documents/augest/gr-qpsk_demod/build/swig/qpsk_demod_swig_doc_swig_docs/Doxyfile
> has become obsolete.
> To avoid this warning please remove this line from your configuration
> file or upgrade it using "doxygen -u"
> warning: Tag `HTML_ALIGN_MEMBERS' at line 803 of file
> /home/ttl/Documents/augest/gr-qpsk_demod/build/swig/qpsk_demod_swig_doc_swig_docs/Doxyfile
> has become obsolete.
> To avoid this warning please remove this line from your configuration
> file or upgrade it using "doxygen -u"
> warning: Tag `USE_INLINE_TREES' at line 956 of file
> /home/ttl/Documents/augest/gr-qpsk_demod/build/swig/qpsk_demod_swig_doc_swig_docs/Doxyfile
> has become obsolete.
> To avoid this warning please remove this line from your configuration
> file or upgrade it using "doxygen -u"
> [ 26%] Generating qpsk_demod_swig_doc.i
> [ 33%] Generating qpsk_demod_swig.tag
> [ 40%] Swig source
> Scanning dependencies of target _qpsk_demod_swig
> [ 46%] Building CXX object
> swig/CMakeFiles/_qpsk_demod_swig.dir/qpsk_demod_swigPYTHON_wrap.cxx.o
> Linking CXX shared module _qpsk_demod_swig.so
> /usr/bin/ld: cannot find -lgnuradio-qpsk_demod
> collect2: error: ld returned 1 exit status
> make[2]: *** [swig/_qpsk_demod_swig.so] Error 1
> make[1]: *** [swig/CMakeFiles/_qpsk_demod_swig.dir/all] Error 2
> make: *** [all] Error 2
> 
> 
> How to get out of this. 
> 
> Thanks in advance
> 
> Sreena
> 
> 
> 
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