Re: [Discuss-gnuradio] howto_square_ff require Gruel

[Josh Blum]

> I have tryed the gr-howto-write-a-block in gnuradio-3.6.1 source code.As
> I want to use it in grc,I add this
> 'add_subdirectory(gr-howto-write-a-block)' in
> $PREFIX/gnuradio-3.6.1/CMakeList.txt.I think this is the point that
> makes CMake fail. And libgruel.so exists in
> $PREFIX/gnuradio-3.6.1/build/gruel/src/lib.

Basically, dont do that.

Every gr-* directory (gr-directory, gr-filter...) is an example of how
to create blocks as an *in-tree* build. However, gr-howto-write-a-block
is an example of how to create blocks as an *out-of-tree* build.

You must install gnuradio, and treat gr-howto-write-a-block as a top
level build system, and configure gr-howto-write-a-block with paths to
the installed gnuradio files.

-josh

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