--- Makefile.orig	2000-01-01 00:00:00.000000000 +1100
+++ Makefile	2013-09-27 22:31:44.000000000 +1000
@@ -11,22 +11,34 @@
 # http://www.opensource.org/licenses/cpl1.0.php
 #
 
-COMPILER      = -cc
-OPTIONS       = -std=c99 -pedantic -Wall -o
-OPTIONS_LIBS  = -std=c99 -pedantic -Wall -c
+PREFIX        ?= /opt/local
+COMPILER      = $(CC)
+OPTIONS       = $(CFLAGS) -std=c99 -pedantic -Wall -o
+OPTIONS_LIBS  = $(CFLAGS) -std=c99 -pedantic -Wall -c
+VERSION       = 0.0.2
 
+all: GeneralHashFunctions.o HashTest dylib
 
-all: GeneralHashFunctions.o HashTest
+dylib: GeneralHashFunctions.o
+	$(COMPILER) $(LDFLAGS) -dynamiclib -install_name $(PREFIX)/lib/libghash.$(VERSION).dylib -current_version $(VERSION) -o libghash.$(VERSION).dylib GeneralHashFunctions.o
 
 GeneralHashFunctions.o: GeneralHashFunctions.c GeneralHashFunctions.h
 	$(COMPILER) $(OPTIONS_LIBS) GeneralHashFunctions.c
 
-HashTest: GeneralHashFunctions.c HashTest.c
+HashTest: GeneralHashFunctions.o HashTest.c
 	$(COMPILER) $(OPTIONS) HashTest HashTest.c GeneralHashFunctions.o
 
+test: HashTest
+	./HashTest
+
 clean:
 	rm -f core *.o *.bak *stackdump *#
 
+install:
+	install -m 644 GeneralHashFunctions.h $(DESTDIR)$(PREFIX)/include/libghash.h
+	install -m 644 libghash.$(VERSION).dylib $(DESTDIR)$(PREFIX)/lib
+	cd $(DESTDIR)$(PREFIX)/lib && ln -s libghash.$(VERSION).dylib libghash.dylib
+
 #
 # The End !
-#
\ No newline at end of file
+#