Fixed makefile such that final linking isnt redone. Still need to ensure bu...

Joel Grunbaum

2021-07-22 be3e40aa40ba12262aba550b2bab6a69e8b4db2e

 gens.h

@@ -4,6 +4,7 @@

class gen: public ast_visitor {
public:
   virtual ~gen()=default;
   virtual void set_file(std::string file_name)=0;
   virtual void* visit_Document(Document *d)=0;
   virtual void* visit_Block_Table(Block_Table *bt)=0;