--- a/GNUmakefile
+++ b/GNUmakefile
@@ -20,10 +20,8 @@

 all: $(OUTPUT)

-lunbound.o: lunbound.c
-
-%.so: %.o
-	$(LD) $(LDFLAGS) -o $@ $^ $(LDLIBS)
+%.so: %.c
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) $(LDLIBS)

 install:
 	$(MKDIR) $(DESTDIR)$(LUA_LIBDIR)/