CC = g++-8
PROM = /usr/local/sbin/grad2d
CFLAGS = -L /usr/local/Cellar/fftw/3.3.8/lib -lfftw3.3
IFLAGS = -I /usr/local/Cellar/fftw/3.3.8/include
DEPS = $(shell find . -name "*.h")
SRC = $(shell find . -name "*.cpp")
OBJ = $(SRC:%.cpp=%.o)

$(PROM): $(OBJ)
	$(CC) -o $(PROM) $(OBJ) $(CFLAGS) ${IFLAGS}

%.o:%.cpp $(DEPS)
	$(CC) -c $< -o $@ $(CFLAGS) ${IFLAGS}

clean:
	rm -rf $(OBJ)