C++          = g++           # use GNU C++ compiler
C++-FLAGS    = -c -Wall      # warn all
LINKER       = g++           # use GNU C++ as linker 
LINKER-FLAGS = -o            # flags for linker
RM           = rm -f         # how to remove files
MAKE         = make          # name of make utility
# you cannot add comments after the continuation character!
OBJS         = input.o   \
               mirror.o  \
               process.o \
               output.o
TARGET       = mirror        # name of executable

.IGNORE:                     # ignore problems (as far as possible)
.SILENT:                     # don't echo commands executed
.SUFFIXES:                   # get rid of predefined rules
.SUFFIXES: .cc .o

$(TARGET):	$(OBJS)
	$(LINKER) $(LINKER-FLAGS) $@ $(OBJS)

.cc.o:
	$(C++) $(C++-FLAGS) $<

# remove object files and core (if any)
clean:
	$(RM) *.o core

# remove object files, core dump, and executable (if any)
distclean:
	$(MAKE) clean
	$(RM) $(TARGET)

# remove object files, core dump, and executable (if any) and
# make them again.
again:
	$(MAKE) distclean
	$(MAKE) $(TARGET)

# echo username
info:
	echo User is: $(USER)