Compiling libfftw3_intel.a library

A simple procedure to get the libfftw3xf_intel.a library which is used for VASP code is as follow.

From $MKL_ROOT/fftw/interfaces/ directory, copy fftw3xf directory to your local directory.

Read the makefile option by typing

make help

This will display the options.

Now, just type

make libintel64   (and Enter)

Without any problem, you will get libfftw3xf_intel.a library.

Now you can use this library file to compile VASP.