Re: [Discuss-gnuradio] Question on how to derive a class in an out-of-tree module based on a gnuradio class

Hi Marcus, Martin and Bastian, 

Thanks for your help!

You are right, it's a linker error, the reason is absolutely what Martin mentioned that I didn't refer the header files I used i.e packet_header_default.h in my swig file. 

I checked Bastian's swig file and made this class working as expected!

Thanks again!

Best,

Zhe

On Tue, Oct 7, 2014 at 6:39 AM, Bastian Bloessl <bloessl@ccs-labs.org> wrote:

On 07 Oct 2014, at 12:02, Bastian Bloessl <bloessl@ccs-labs.org> wrote:
>
> I did that in gr-ieee802-11 and IIRC I had to define GR_API in the swig config

arg, sorry! I had to #define DIGITAL_API and include packet_header_default.h

>
> https://github.com/bastibl/gr-ieee802-11/blob/master/swig/ieee802_11_swig.i#L18

I think that I also had some problems with the swig bindings without those includes and defines.

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--
Zhe Feng 

Electrical Engineering: System 

University of Michigan Ann Arbor 

Tel: 734-834-3188