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Re: [Discuss-gnuradio] New block outside of gnuradio-core

From: Lee Patton
Subject: Re: [Discuss-gnuradio] New block outside of gnuradio-core
Date: Thu, 11 May 2006 16:24:29 -0400

Never mind.  I was basing my rad.i file on gr_file_source.i.  However,
gr_file_source.i is not stand-alone (unlike the *.i file in the howto).
Instead, it is included in io.i. 

So, I was missing some requisite SWIG file stuff.

On Thu, 2006-05-11 at 16:07 -0400, Lee Patton wrote:
> I successfully built the how-to-write-a-block example outside of
> gnuradio-core. Now, I would like to implement my own version of
> gr_file_source, and I was hoping to do it outside of gnuradio-core.  
> As a first step, I copied gr_file_source.* from core into a directory
> structure similar to that used in the howto, and then changed all
> occurrences of gr_file* to rad_file* and made the appropriate (?)
> changes to configure.ac and all the Makefile.am.
> However, on make, SWIG reports that it doesn't know anything about
> gr_sync_block, which is inherited from rad_file_source. Here's what make
> says:
> make  all-recursive
> make[1]: Entering directory `/home/pattonlk/grrad/radar'
> Making all in config
> make[2]: Entering directory `/home/pattonlk/grrad/radar/config'
> make[2]: Nothing to be done for `all'.
> make[2]: Leaving directory `/home/pattonlk/grrad/radar/config'
> Making all in src
> make[2]: Entering directory `/home/pattonlk/grrad/radar/src'
> Making all in lib
> make[3]: Entering directory `/home/pattonlk/grrad/radar/src/lib'
> /gnuradio/gr/bin/swig -c++ -fvirtual -python -modern -
> I/gnuradio/gr/include/gnuradio/swig -I/gnuradio/gr/include/gnuradio -
> module rad -o rad.cc rad.i
> rad.i:31: Error: Syntax error in input(1).
> rad.i:35: Warning(401): Nothing known about base class 'gr_sync_block'.
> Ignored.
> make[3]: *** [rad.cc] Error 1
> make[3]: Leaving directory `/home/pattonlk/grrad/radar/src/lib'
> make[2]: *** [all-recursive] Error 1
> make[2]: Leaving directory `/home/pattonlk/grrad/radar/src'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/home/pattonlk/grrad/radar'
> make: *** [all] Error 2
> gr_sync_block.h is in /gnuradio/gr/include/gnuradio, which is in the
> include path. Do I need a -L or something? Does anyone have any idea
> what bone-headed thing I'm doing wrong?  I've attached logs of configure
> and make, along with my swig file.
> Thanks,
>  - Lee
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