Add support for building shared libraries
--- indri-5.4/src/Makefile	2013-09-04 06:16:24.212280233 -0700
+++ indri-5.4/src/Makefile	2013-09-04 06:15:35.997458620 -0700
@@ -17,6 +17,7 @@
 # how to make a library from object files
 $(OBJLIB): $(SPECHEADERS) $(OBJ) $(SPECOBJS)
 	rm -f $@; $(AR) -rs $@ $(OBJ)
+	$(CC) $(CFLAGS) -shared -o $(OBJLIB:.a=.so).1 -h $(OBJLIB:.a=.so).1 $(OBJ) -Wl,-z -Wl,allextract ../contrib/lemur/obj/liblemur.a -Wl,-z -Wl,allextract ../contrib/antlr/obj/libantlr.a
 
 #check this.
 $(SPECHEADERS): $(QUERYSPEC)
@@ -40,6 +41,7 @@
 install:
 	$(INSTALL_DATA) $(ALLHEADER) $(pkgincludedir)
 	$(AR) -rs $(libdir)/$(INDRILIB) $(OBJ)
+	cp $(OBJLIB:.a=.so).1 $(libdir)
 
 stamp:
 	awk -f ../src/version-stamper "stamp=`date`" ../include/indri/indri-platform.h > ../include/indri/indri-platform.h2