Re: [Discuss-gnuradio] .so: undefined symbol: _ZN2gr6blocks12count_bits16E

[Marcus Müller]

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Hi Raf Raf,

I (and git) can't seem to find the
set(GR_REQUIRED_COMPONENTS
line in your CMakeLists.txt at all. That shouldn't be the case. Please
add it somewhere around line 92 as discussed and give it a try :)

Greetings,
Marcus

On 11.02.2014 11:17, raf raf wrote:
> Hi Marcus,
> 
> 
> 
> I tried to have a lib/CMakeLists.txt  and CMakeLists.txt with a
> same content like in ieee802-15-4 of Bastian, but it didn't work
> and now I had  this error after a modifications :
> 
> 
> ImportError: 
> /usr/local/lib/python2.7/dist-packages/ieee_868_915/_ieee_868_915_swig.so:
>
> 
undefined symbol: _ZN2gr12ieee_868_91511packet_sink4makeEv
> 
> 
> 
> You can get my project from a github :
> 
> https://github.com/zitouni/gr-ieee_868_915
> 
> 
> Thank you a lot
> 
>> Date: Tue, 11 Feb 2014 11:07:42 +0100 From:
>> address@hidden To: address@hidden;
>> address@hidden; address@hidden Subject: Re:
>> [Discuss-gnuradio] .so: undefined symbol:
>> _ZN2gr6blocks12count_bits16E
>> 
>> On 02/11/2014 10:47 AM, Marcus Müller wrote:
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>>> 
>>> Bastians solution seems to have fixed your problem by adding
>>> the gr-blocks library to your linker targets. But now your
>>> error exposes that you didn't link against the gr-runtime. Are
>>> you sure you have something like set(GR_REQUIRED_COMPONENTS
>>> RUNTIME BLOCKS)
>> 
>> ...and maybe also PMT set(GR_REQUIRED_COMPONENTS RUNTIME BLOCKS
>> PMT)
>> 
>>> and not deleted the RUNTIME component, leaving only 
>>> set(GR_REQUIRED_COMPONENTS BLOCKS) ?
> 
> 
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