--- src/Makefile.orig	2010-03-09 08:00:16.000000000 +0800
+++ src/Makefile	2010-08-17 17:52:59.000000000 +0800
@@ -1,4 +1,4 @@
-LDFLAGS=-L../lib -L/usr/lib
+LDFLAGS=-L../lib -L/usr/lib -lm
 INCLUDES=-I/usr/include -I../include
 LIBS=-ldisorder
 #OPTS=-Wall -g -pg
@@ -12,14 +12,18 @@
 
 library: libdisorder.a
 
-libdisorder.a: disorder.o
+libdisorder.a: disorder.o disorder.So
 	ar rc $@ disorder.o
 	mkdir -p ../lib
 	mv libdisorder.a ../lib
+	ld -shared -o libdisorder.so disorder.So
 
 disorder: disorder.c ../include/disorder.h
 	gcc $(OPTS) -c disorder.c
 
+disorder.So: disorder.c ../include/disorder.h
+	gcc $(OPTS) -c disorder.c -fPIC -o disorder.So
+
 test:	../test/test.c
 	gcc $(OPTS) $(LDFLAGS) $(INCLUDES) -o $(TESTOUT) $(TESTSRC) $(LIBS)
 
@@ -27,11 +31,11 @@
 	gcc $(OPTS) $(LDFLAGS) $(INCLUDES) -o $(TOOLOUT) $(TOOLSRC) $(LIBS)
 
 clean:
-	@/bin/rm -f *~ *.o *.a $(TESTOUT) $(TOOLOUT)
+	@/bin/rm -f *~ *.o *.a *.So *.so $(TESTOUT) $(TOOLOUT)
 	@/bin/rm -f ../test/*~
 	@/bin/rm -f ../tool/*~
 	@/bin/rm -Rf ../test/testexec.dSYM/
 	@/bin/rm -Rf ../tool/ropy.dSYM/
 	@/bin/rm -f ../include/*~
 	@/bin/rm -f ../lib/*.a
-	@/bin/rm -f ../*~
\ No newline at end of file
+	@/bin/rm -f ../*~