Re: [Discuss-gnuradio] FFTW usage in a new signal processing block

[Felipe Fideles]

On Thu, Aug 25, 2011 at 09:57:30AM -0300, Felipe Fideles wrote:
> Hello All,
>
> I'm trying to use FFTW in the development of a new signal processing block.
> The ./boostrap and ./configure commands work fine, but when I type the make
> command, I get the following error:
>
> /usr/src/gnuradio/gr-deteccao/

lib/.libs/libgnuradio-deteccao.so: undefined
> reference to `fftw_execute'
> /usr/src/gnuradio/gr-deteccao/lib/.libs/libgnuradio-deteccao.so: undefined
> reference to `fftw_plan_dft_1d'
> /usr/src/gnuradio/gr-deteccao/lib/.libs/libgnuradio-deteccao.so: undefined
> reference to `fftw_destroy_plan'
> collect2: ld returned 1 exit status
>
> It sounds weird because the fftw in already at the gnuradio files.

   It's solved. Just type ./configure LIBS=-lfftw3 that it works.

-- 
Felipe Fideles