test_format: test_format.o format_thousands.o
	ifort -o test_format test_format.o format_thousands.o -lpcre

test_format.o: test_format.f90
	ifort -c test_format.f90

format_thousands.o: format_thousands.c
	icc -c -std=c99 format_thousands.c

PHONY: clean run

clean:
	rm -f test_format *.o

run:
	./test_format