# The following lines are required because standard make does not
# recognize the Objective-C .m suffix.

.SUFFIXES: .o .m
.m.o:
        $(CC) -c $(CFLAGS) $<


# Macros

CC = gcc
CFLAGS = -g
LIBS = -lobjc
SRC=main.m Person.m Student.m Teacher.m
OBJ=main.o Person.o Student.o Teacher.o


# Explicit rule

hist: $(OBJ)
	$(CC) $(CFLAGS) -o main $(OBJ) $(LIBS)


# Implicit rules

Person.o: Person.h Person.m
Student.o: Person.h Student.h Student.m
Teacher.o: Person.h Teacher.h Teacher.m
main.o: Student.h Teacher.h