Makefile used for building GS2 on my local system

Makefile.ubuntu_2004

# Makefile for Ubuntu 20.04 LTS 
# Maintainer: [email protected]

# Check the path to the libraries on your system
# ldconfig -p | grep fftw
# ldconfig -p | grep netcdf
# and edit the paths below accordingly


F90FLAGS += -ffree-line-length-none -fno-backslash

COMPILER ?=gcc
USE_HDF5=
include Makefile.$(COMPILER)

HAS_ISO_C_BINDING=true

ifeq ($(USE_FFT),fftw3)
	FFT_LIB = -L/lib/x86_64-linux-gnu -lfftw3 -lfftw3f -lfftw3_mpi -lfftw3f_mpi
	FFT_INC = -I/usr/include
endif

ifdef USE_NETCDF
	NETCDF_INC = -I/usr/include
	NETCDF_LIB = -L/lib/x86_64-linux-gnu -lnetcdff -lnetcdf
ifdef USE_PARALLEL_NETCDF
	#NETCDF_LIB += -lhdf5_hl -lhdf5
endif
endif