Re: [Discuss-gnuradio] Problem using FFT-class in my own written block

> Jeroen,
>
> That tutorial you mentioned doesn't give you the whole picture about
> configuring your OOT module with different needs like yours. Also read
> through this one:
>
> http://gnuradio.org/redmine/projects/gnuradio/wiki/OutOfTreeModulesConfig
>
> And note the subtle change between 3.7.2 versus later (currently only
> on git) versions. You're going to have to go in and edit your
> CMakeLists.txt files in both the root directory of your OOT module and
> the lib directory. Right now, what's likely happening is that you
> aren't linking against the libraries you need. This tutorial will
> explain how to find and link against libgnuradio-fft.so.
>
> Tom
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Thanks for the document Tom. I only just found time to proceed with it,
but still getting errors.

I think the reason is that I'm using 3.6.5 which has different needs to
link the FFT lib. I followed your document, found that 3.6 uses GNU_CORE
instead of GNU_RUNTIME, but still got errors. For example 'cmake ../'
complains not being able to find files:

GnuradioConfig.cmake
gnuradio-config.cmake

but those files are not even present on the USB stick environment where
GNU radio is installed.

I literally spent hours with Google to find a solution how to do this in
3.6, can you help me further please? Porting my blocks to 3.7 is only
something for a later stage: right now I'm trying to find a fix in 3.6
and hope to get the blocks working first....

Regards,

Jeroen

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