--- makefile.orig	2020-02-08 04:35:40 UTC
+++ makefile
@@ -38,13 +38,13 @@ endif
 # Add inputs and outputs from these tool invocations to the build variables 
 
 # All Target
-all: libHEAAN.a
+all: libHEAAN.so
 
 # Tool invocations
-libHEAAN.a: $(OBJS) $(USER_OBJS)
+libHEAAN.so: $(OBJS) $(USER_OBJS)
 	@echo 'Building target: $@'
 	@echo 'Invoking: GCC Archiver'
-	ar -r  "libHEAAN.a" $(OBJS) $(USER_OBJS) $(LIBS)
+	$(CXX) -shared -o "libHEAAN.so" $(OBJS) $(USER_OBJS) $(LIBS) $(LOCALBASE)/lib/libntl.so
 	@echo 'Finished building target: $@'
 	@echo ' '