@echo "test - test a single testdriver (Usage: FILE=\"test.[rt]\" make test)"
@echo "tests - build and run test drivers (link pdclib.a)"
@echo " testdrivers - build but do not run test drivers"
@echo "test - test a single testdriver (Usage: FILE=\"test.[rt]\" make test)"
@echo "tests - build and run test drivers (link pdclib.a)"
@echo " testdrivers - build but do not run test drivers"