Unknown FFT library: FFTW3

Yudong Sun yud... at nag.co.uk
Thu Jul 10 14:06:12 CEST 2008


I have compiled cp2k on Cray XT4 using pgi. The compilation has 
completed. However the execution job fails with the following error:

  *** ERROR in init_fft  ***

  *** Unknown FFT library:                                    FFTW3  ***

My makefile is based on Linux-x86-64-pgi.popt with some modifications:

CC       = cc
CPP      = cpp
FC       = ftn -Mfree
LD       = ftn
AR       = ar -r
FFTW_INC = /opt/fftw/fftw/cnos/include
            -D__parallel -D__BLACS -D__SCALAPACK \
CPPFLAGS = -traditional -C $(DFLAGS) -P -I$(FFTW_INC)
FCFLAGS  = -fastsse -tp amd64 -I$(FFTW_INC)
LIBS     = -lacml -lsci -lfftw3


I have loaded fftw/3.1.1 module into my environment. Any idea about how 
to fix the problem?



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