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Re: [Discuss-gnuradio] Undefined symbol on starting grc

From: Johnathan Corgan
Subject: Re: [Discuss-gnuradio] Undefined symbol on starting grc
Date: Tue, 21 Feb 2012 10:58:41 -0800

On Tue, Feb 21, 2012 at 10:45, John Coppens <address@hidden> wrote:

> After successful compilation, on running, I find that xxx/top_block.py
> contains the following:
>                self.gr_matfile_source_1 = -------->
>                cannot find 'repeat': gr.matfile_source($file, $repeat)
>                <--------
> which, of course, generates a syntax error. As commented before, I
> copied the code from the wavfile_source code, and 'repeat' is still
> defined in the .cc, .h files.
> What generates this error?

That comes from an error in the GRC XML wrapper for your block, and
happens when there is no <param></param> section for 'repeat', or at
least something like that.


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