1 CC := gcc

     2 CFLAGS := -g -O2 -Wall -Werror

     3 

     4 prefix ?= /usr/bin

     5 

     6 hgsh: hgsh.o

     7 	$(CC) -o $@ $<

     8 

     9 install: hgsh

    10 	install -m755 hgsh $(prefix)

    11 

    12 clean:

    13 	rm -f *.o hgsh