--- ruby/qtruby/src/Qt.cpp.orig	2008-11-21 21:13:38.000000000 +0100
+++ ruby/qtruby/src/Qt.cpp	2008-11-21 21:19:27.000000000 +0100
@@ -693,7 +693,7 @@
 VALUE
 qvariant_value(VALUE /*self*/, VALUE variant_value_klass, VALUE variant_value)
 {
-	char * classname = rb_class2name(variant_value_klass);
+	const char * classname = rb_class2name(variant_value_klass);
     smokeruby_object *o = value_obj_info(variant_value);
 	if (o == 0 || o->ptr == 0) {
 		return Qnil;
@@ -809,7 +809,7 @@
 		}
 	}

-	char * classname = rb_obj_classname(argv[0]);
+	const char * classname = rb_obj_classname(argv[0]);
     smokeruby_object *o = value_obj_info(argv[0]);
 	if (o == 0 || o->ptr == 0) {
 		// Assume the Qt::Variant can be created with a
@@ -872,7 +872,7 @@
 const char *
 get_VALUEtype(VALUE ruby_value)
 {
-	char * classname = rb_obj_classname(ruby_value);
+	const char * classname = rb_obj_classname(ruby_value);
 	const char *r = "";
 	if (ruby_value == Qnil)
 		r = "u";
@@ -1760,7 +1760,7 @@
 }

 static QByteArray *
-find_cached_selector(int argc, VALUE * argv, VALUE klass, char * methodName)
+find_cached_selector(int argc, VALUE * argv, VALUE klass, const char * methodName)
 {
     // Look in the cache
 static QByteArray * mcid = 0;
@@ -1797,7 +1797,7 @@
 static VALUE
 method_missing(int argc, VALUE * argv, VALUE self)
 {
-	char * methodName = rb_id2name(SYM2ID(argv[0]));
+	const char * methodName = rb_id2name(SYM2ID(argv[0]));
     VALUE klass = rb_funcall(self, rb_intern("class"), 0);

 	// Look for 'thing?' methods, and try to match isThing() or hasThing() in the Smoke runtime
@@ -1847,7 +1847,7 @@

 			VALUE retval = rb_funcall2(qt_internal_module, rb_intern("do_method_missing"), argc+3, temp_stack);
 			if (_current_method == -1) {
-				char * op = rb_id2name(SYM2ID(argv[0]));
+				const char * op = rb_id2name(SYM2ID(argv[0]));
 				if (	qstrcmp(op, "-") == 0
 						|| qstrcmp(op, "+") == 0
 						|| qstrcmp(op, "/") == 0
@@ -1954,7 +1954,7 @@
 class_method_missing(int argc, VALUE * argv, VALUE klass)
 {
 	VALUE result = Qnil;
-	char * methodName = rb_id2name(SYM2ID(argv[0]));
+	const char * methodName = rb_id2name(SYM2ID(argv[0]));
 	VALUE * temp_stack = ALLOCA_N(VALUE, argc+3);
     temp_stack[0] = rb_str_new2("Qt");
     temp_stack[1] = rb_str_new2(methodName);