[GRASSLIST:2937] Re: can't compile with fftw-3.0.1

Glynn Clements glynn.clements at virgin.net
Sat Mar 13 23:43:29 EST 2004

Liangxu Wang wrote:

> I can't compile the latest grass with fftw-3.0.1,I have compiled
> fftw-3.0.1 first,and installed it into the default
> directory(/usr/local),then I compile grass,there are some errors.

The GRASS programs which use FFTs require FFTW 2.x; FFTW 3.x won't

>checking for location of FFTW includes... /usr/local/include
>checking for fftw.h... no
>configure: error: *** Unable to locate FFTW library.

If you don't need any of i.fft, i.zc, i.shape or r.surf.fractal, use
the --without-fftw switch to disable the checks. If you need those
programs, install FFTW 2.x.

Glynn Clements <glynn.clements at virgin.net>

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