Re: [Discuss-gnuradio] Problems building GNURadio

[Philip Balister]

On 09/19/2014 12:08 PM, Mike Jameson wrote:
> This URL might help:
> 
> https://labs.mwrinfosecurity.com/blog/2014/06/18/beaglebone-black-gnu-radio-and-hackrf-one/
> 
> Have you tried disabling NEON?

Disabling NEON on this platform is a bad thing. Hopefully one of the
volk guys sees what is going on. I suspect you need to use the native
build toolchain file.

Philip

> 
> Mike
> 
> --
> Mike Jameson M0MIK BSc MIET
> Ettus Research Technical Support
> Email: address@hidden
> Web: http://ettus.com
> 
> On Fri, Sep 19, 2014 at 4:29 PM, Michal Jakubiak <address@hidden> wrote:
> 
>> I'm refreshing this one since I have a very similar problem. I'm trying to
>> build gr on BeagleBone Black, which is also an ARMv7. I'm using the
>> build-gnuradio script.
>>
>>
>>
>>> [  4%] Building C object volk/lib/CMakeFiles/volk.dir/volk_cpu.c.o
>>> [  4%] Building C object volk/lib/CMakeFiles/volk.dir/volk_machines.c.o
>>> [  4%] Building C object
>>> volk/lib/CMakeFiles/volk.dir/volk_machine_generic_orc.c.o
>>> [  4%] Building C object
>>> volk/lib/CMakeFiles/volk.dir/volk_machine_neon_hardfp_orc.c.o
>>> Linking C shared library libvolk.so
>>> [  4%] Built target volk
>>> [  4%] Building CXX object volk/lib/CMakeFiles/test_all.dir/testqa.cc.o
>>> [  4%] Building CXX object volk/lib/CMakeFiles/test_all.dir/qa_utils.cc.o
>>> Linking CXX executable test_all
>>> libvolk.so.0.0.0: undefined reference to
>>> `volk_32fc_x2_multiply_32fc_neonasm'
>>> libvolk.so.0.0.0: undefined reference to
>>> `volk_16i_max_star_horizontal_16i_neonasm'
>>> libvolk.so.0.0.0: undefined reference to
>>> `volk_32fc_32f_dot_prod_32fc_a_neonasm'
>>> libvolk.so.0.0.0: undefined reference to
>>> `volk_32f_x2_dot_prod_32f_neonasm_opts'
>>> libvolk.so.0.0.0: undefined reference to
>>> `volk_32fc_32f_dot_prod_32fc_a_neonpipeline'
>>> libvolk.so.0.0.0: undefined reference to
>>> `volk_32f_x2_dot_prod_32f_neonasm'
>>> collect2: ld returned 1 exit status
>>> make[2]: *** [volk/lib/test_all] Error 1
>>> make[1]: *** [volk/lib/CMakeFiles/test_all.dir/all] Error 2
>>> make: *** [all] Error 2
>>> make failed
>>> Exiting Gnu Radio build/install
>>
>>
>> I've edited the cmake command in the script:
>>
>> cmake -DENABLE_BAD_BOOST=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo $CMAKE_FLAG1
>> $CMAKE_FLAG2 $CMF1 $CMF2 -DCMAKE_C_FLAGS="-march=armv7-a -mthumb-interwork
>> -mfloat-abi=hard -mfpu=neon -mtune=cortex-a9"
>> -DCMAKE_ASM-ATT_FLAGS="-march=armv7-a -mthumb-interwork -mfloat-abi=hard
>> -mfpu=neon" ../ >>$LOGDEV 2>&1
>>
>> Unfortunately, it had no effect. I'm out of ideas over here :/
>>
>> _______________________________________________
>> Discuss-gnuradio mailing list
>> address@hidden
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>
>>
> 
> 
> 
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