``` module load gnu ./configure --prefix=/homeb/prcdeep/prdeep04/fftw/3.3.8 CFLAGS="-O3 -mcpu=power8" make make install make clean ./configure --prefix=/homeb/prcdeep/prdeep04/fftw/3.3.8 CFLAGS="-O3 -mcpu=power8" --enable-threads make make install ```