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Re: [Discuss-gnuradio] simple_ra and Ubuntu 16.04 LTS

From: John Shields
Subject: Re: [Discuss-gnuradio] simple_ra and Ubuntu 16.04 LTS
Date: Mon, 30 May 2016 22:27:12 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0

On 30/05/16 22:05, John Shields wrote:
   Since I moved from 14.04 LTS to 15.10 a couple of weeks ago, I have been experiencing segmentation faults on i965_dri (graphics rendering).

   In order to (hopefully) move away from this issue, yesterday I upgraded to 16.04 LTS and rebuilt GNURadio ( and UHD using Marcus' script - only new
   issue thrown up was:

      Checking for package python-wxgtk2.8
      Failed to find package 'python-wxgtk2.8' in known package repositories

       (16.04 appears to have 3.0 version )

   I have seen this sort of diagnostic before on (Failed to find package 'libzmq1-dev' in known package repositories) but things seemed to work OK so continued.

   I can get into GRC etc.

   I decided that I should re-compile simple_ra gr-ra_blocks and followed the instructions I usually do: cd/trunk; cmake . ; make etc.

   at the cmake level, I got the following warnings:

     CMake Warning (dev) at /usr/local/lib/cmake/gnuradio/GrTest.cmake:45 (get_target_property):
     Policy CMP0026 is not set: Disallow use of the LOCATION target property.
     Run "cmake --help-policy CMP0026" for policy details.  Use the cmake_policy
     command to set the policy and suppress this warning.

     The LOCATION property should not be read from target "test-ra_blocks".  Use
     the target name directly with add_custom_command, or use the generator
     _expression_ $<TARGET_FILE>, as appropriate.

     Call Stack (most recent call first):
     lib/CMakeLists.txt:71 (GR_ADD_TEST)
     This warning is for project developers.  Use -Wno-dev to suppress it.

      -- Checking for module SWIG
      -- Command "/usr/bin/swig2.0 -swiglib" failed with output:

      -- Found SWIG version 2.0.12.
      -- Found PythonLibs: /usr/lib/x86_64-linux-gnu/libpython2.7.so (found version "2.7.11+")
      -- Found PythonLibs: /usr/lib/x86_64-linux-gnu/libpython2.7.so (found suitable version "2.7.11+", minimum required is "2")
      -- Found Doxygen: /usr/bin/doxygen (found version "1.8.11")
      -- Configuring done
      -- Generating done
      -- Build files have been written to: /home/john/gr-ra_blocks/trunk

    when I did a make, I got:

       [ 48%] Generating ra_blocks_swig.tag
       Scanning dependencies of target ra_blocks_swig_swig_2d0df
       [ 52%] Building CXX object swig/CMakeFiles/ra_blocks_swig_swig_2d0df.dir/ra_blocks_swig_swig_2d0df.cpp.o
       [ 56%] Linking CXX executable ra_blocks_swig_swig_2d0df
      Swig source
      /bin/sh: 1: /usr/bin/swig2.0: not found
      swig/CMakeFiles/ra_blocks_swig_swig_2d0df.dir/build.make:134: recipe for target 'swig/ra_blocks_swig_swig_2d0df' failed
      make[2]: *** [swig/ra_blocks_swig_swig_2d0df] Error 127
      make[2]: *** Deleting file 'swig/ra_blocks_swig_swig_2d0df'
      CMakeFiles/Makefile2:274: recipe for target 'swig/CMakeFiles/ra_blocks_swig_swig_2d0df.dir/all' failed
      make[1]: *** [swig/CMakeFiles/ra_blocks_swig_swig_2d0df.dir/all] Error 2
      Makefile:138: recipe for target 'all' failed
      make: *** [all] Error 2

   I wonder if I have made an error some way along, but cannot imagine what.

   Any ideas?

          Kind Regards,


oops, it was not simple_ra that I tried to re-compile against the new GNURadio etc., it was gr-ra_blocks.



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