config BR2_PACKAGE_FFTW
	bool "fftw"
	help
	  Library for computing Fast Fourier Transforms.

	  This library computes Fast Fourier Transforms (FFT) in one
	  or more dimensions.  It is extremely fast. This package
	  contains the shared library version of the fftw libraries in
	  double precision.

	  http://www.fftw.org