--- Makefile.in.orig	1997-05-23 10:18:22.000000000 +0800
+++ Makefile.in	2014-01-09 20:47:32.000000000 +0800
@@ -13,6 +13,10 @@ LDFLAGS = @LDFLAGS@
 RANLIB = @RANLIB@
 
 LIBS = @LIBS@ @X_LIBS@ @X_PRE_LIBS@ -lXmu -lXaw -lXt -lX11 @X_EXTRA_LIBS@
+LIBS+=		-Wl,-rpath,$(LOCALBASE)/lib
+SHLDFLAGS=	-shared -x -soname $@
+DNDLIB=		libDnd.so.1
+DNDPLUSLIB=	libDnd++.so.1
 
 prefix = @prefix@
 exec_prefix = @exec_prefix@
@@ -23,20 +27,30 @@ COMPILE = $(CC) $(INCLUDES) $(CFLAGS) -c
 CXXCOMPILE = $(CXX) $(INCLUDES) $(CXXFLAGS) -c
 LINK = $(CC) $(LDFLAGS) -o $@
 
+SOCOMPILE= $(COMPILE) -fpic 
+SOCXXCOMPILE = $(CXX) $(INCLUDES) $(CXXFLAGS) -c -fpic
+
 default: all
 
-all: libC libCpp dndtest
+all: libC libCpp dndtest libC-so libCpp-so
 
 install: libCpp libC
-	install -d $(INC_DIR)
-	install DragAndDrop.h DragAndDropTypes.h $(INC_DIR)
-	install -d $(LIB_DIR)
-	install libDnd.a libDnd++.a $(LIB_DIR)
+	install -d $(DESTDIR)$(INC_DIR)
+	install -c -m 644 DragAndDrop.h DragAndDropTypes.h $(DESTDIR)$(INC_DIR)
+	install -d $(DESTDIR)$(LIB_DIR)
+	install -c -m 644 libDnd.a libDnd++.a $(DESTDIR)$(LIB_DIR)
+	install -c $(DNDLIB) $(DNDPLUSLIB) $(DESTDIR)$(LIB_DIR)
+	cd $(DESTDIR)/$(LIB_DIR); ln -sf $(DNDLIB) libDnd.so
+	cd $(DESTDIR)/$(LIB_DIR); ln -sf $(DNDPLUSLIB) libDnd++.so
 
 libC: libDnd.a
 
 libCpp: libDnd++.a
 
+libC-so: $(DNDLIB)
+
+libCpp-so: $(DNDPLUSLIB)
+
 dndtest: dndtest.c libDnd.a
 	rm -f dndtest
 	$(COMPILE) dndtest.c
@@ -57,6 +71,16 @@ libDnd++.a: DragAndDrop.c
 	$(AR) cru libDnd++.a DragAndDrop.o
 	$(RANLIB) libDnd++.a
 
-clean:
-	rm -f *.o *.cxx *.a dndtest *~ *bak
+$(DNDLIB): DragAndDrop.c
+	rm -f DragAndDrop.so 
+	$(SOCOMPILE) -o DragAndDrop.so DragAndDrop.c
+	$(LD) $(SHLDFLAGS) -o $(DNDLIB) DragAndDrop.so
 
+$(DNDPLUSLIB): DragAndDrop.c
+	rm -f DragAndDrop.so DragAndDrop.cxx
+	ln -s DragAndDrop.c DragAndDrop.cxx
+	$(SOCXXCOMPILE) -o DragAndDrop.so DragAndDrop.cxx
+	$(LD) $(SHLDFLAGS) -o $(DNDPLUSLIB) DragAndDrop.so
+
+clean:
+	rm -f *.o *.so *.cxx *.a dndtest *~ *bak