Last change: 2005/7/16
libfftw version: 2.1.5
www.fftw.org
NOTE: use version 2.1.5, not 3.0 - GRASS doesn't support v3.0 yet.
In a Terminal type:
$ cd path_to_folder_containing_fftw_source.tar.gz
$ tar -zxf fftw-2.1.5.tar.gz
$ cd fftw-2.1.5
$ ./configure --mandir=/usr/local/share/man --infodir=/usr/local/share/info --enable-threads --enable-shared --disable-fortran
$ make
$ sudo make install