Compiling euler code with only link errors

ccodegen.cpp

@@ -273,7 +273,7 @@ gen_ast(Ast *ast){
 
     CASE(VAR, Decl){
       gen_var(node->name, node->type, node->expr, is_inside_struct ? DONT_EMIT_VALUE : ALWAYS_EMIT_VALUE);
-      gen(";");
+      if(!is_flag_set(ast->flags, AST_EXPR)) gen(";");
       BREAK();
     }
 
@@ -477,7 +477,7 @@ compile_files(Array<String> filename){
     resolve_package(it);
   }
 
-#if 0
+#if 1
   gen(R"==(
 #include <stdint.h>
 #include <stdio.h>