INSTALLATION
- set GK_SYSTEM='system', with system replaced by the appropriate system on which you are running.
- make sure that fftw3 and netcdf libraries are installed.
- set the environmental variables FFTW_LIB_DIR (directory containing libfftw3.a), FFTW_INC_DIR (directory including fftw3.f), NETCDF_LIB_DIR (directory containing libnetcdff.a), and NETCDF_INC_DIR (directory including netcdf.inc)
- set the environmental variable MAKEFLAGS=-IMakefiles
- type 'make'