dump.c in ox-1.4.2

- old
+ new

@@ -695,11 +695,11 @@
                 rb_ivar_foreach(obj, dump_var, (VALUE)out);
                 out->depth = od;
                 out->w_end(out, &e);
             }
 #else
-#ifdef JRUBY
+#if (defined JRUBY || defined RBX_Qnil)
             VALUE       vars = rb_funcall2(obj, rb_intern("instance_variables"), 0, 0);
 #else
             VALUE       vars = rb_obj_instance_variables(obj);
 #endif            
             e.type = ObjectCode;
@@ -783,19 +783,19 @@
         dump_value(out, StringValuePtr(rs), RSTRING_LEN(rs));
         e.indent = -1;
         out->w_end(out, &e);
         break;
     }
-#ifdef T_COMPLEX
+#if (defined T_COMPLEX && defined RCOMPLEX)
     case T_COMPLEX:
         e.type = ComplexCode;
         out->w_start(out, &e);
         dump_obj(0, RCOMPLEX(obj)->real, depth + 1, out);
         dump_obj(0, RCOMPLEX(obj)->imag, depth + 1, out);
         out->w_end(out, &e);
         break;
 #endif
-#ifdef T_RATIONAL
+#if (defined T_RATIONAL && defined RRATIONAL)
     case T_RATIONAL:
         e.type = RationalCode;
         out->w_start(out, &e);
         dump_obj(0, RRATIONAL(obj)->num, depth + 1, out);
         dump_obj(0, RRATIONAL(obj)->den, depth + 1, out);