Re: [Discuss-gnuradio] Porting cgran AIS to the new cmake build system

On 17/07/12 22:24, Nick Foster wrote:
> Christian,
>
> Are you using the version found here?
>
> https://github.com/bistromath/gr-ais
>
> If not, please use this version, as it is significantly more up-to-date
> than the one on CGRAN. I'm going to change the CGRAN page to point to
> the Github repository.

Interesting.

Would you be interested in getting it ported to the new build system? If
so, I'll redo the work on your tree.
As well, I realised that ais_received.py is tailored for the USRP.
I'm currently using a funcube dongle, so I might as well contribute with
a dedicated script, once i start to get things working.

Chris


>
> --n
>
> On Tue, Jul 17, 2012 at 1:42 PM, Christian Gagneraud <chris@techworks.ie
> <mailto:chris@techworks.ie>> wrote:
>
> On 17/07/12 21:31, Josh Blum wrote:
>
>
>
> On 07/17/2012 01:27 PM, Christian Gagneraud wrote:
>
> Hi,
>
> I tried to build https://cgran.org/wiki/AIS against
> gnuradio-3.6, and i
> fails.
> As 3.6 brings in a new build system, I decided to give it a
> go on the
> AIS module. I based everything on gr-howto-write-a-block
>
> [...]
>
> ImportError:
> /usr/local/lib/python2.7/site-__packages/ais/_ais_swig.so:
> undefined symbol: _Z14ais_make_shiftv
>
>
> Just a guess, but
>
> In gnuradio we explicitly export the library symbols. If you
> arent doing
> that for libgnuradioais, make sure that the visibility flag is
> being set
> to default. You can read more here:
> http://gcc.gnu.org/wiki/__Visibility
> <http://gcc.gnu.org/wiki/Visibility>
>
>
> Hi Josh,
>
> Actually, I've just discovered this was needed! So, yes that was it.
> No it's complaining about usrp stuff, but it's another story. I
> don't have a USRP, I'm using a FUNcube dongle.
>
> BTW, should I make this package install in
> lib/python2.7/site-packages/__gnuradio/ais instead of
> lib/python2.7/site-packages/__ais
> Same with the include dir: include/gnuradio/ais instead of include/ais?
>
> I would like to be able to use gnuradio-companion, and pick up the
> AIS block from the selection list, but it's not there. This might be
> due to the current install dir. Any comment?
>
> Chris
>
>
>
>
>
> -josh
>
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>
>
> --
> Christian Gagneraud,
> Embedded systems engineer.
> Techworks Marine
> 1 Harbour road
> Dun Laoghaire
> Co. Dublin
> Ireland
> Tel: + 353 (0) 1 236 5990 <tel:%2B%20353%20%280%29%201%20236%205990>
> Web: http://www.techworks.ie/
>
>
>
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>


--
Christian Gagneraud,
Embedded systems engineer.
Techworks Marine
1 Harbour road
Dun Laoghaire
Co. Dublin
Ireland
Tel: + 353 (0) 1 236 5990
Web: http://www.techworks.ie/



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