diff -r ef0373b55136 -r 758a864f9613 src/gui/image/qpnghandler.cpp
--- a/src/gui/image/qpnghandler.cpp	Fri Sep 17 08:34:18 2010 +0300
+++ b/src/gui/image/qpnghandler.cpp	Mon Oct 04 01:19:32 2010 +0300
@@ -389,7 +389,7 @@
 
     while (num_text--) {
         QString key, value;
-#if defined(PNG_iTXt_SUPPORTED)
+#if defined(PNG_iTXt_SUPPORTED) && !defined(QT_NO_TEXTCODEC)
         if (text_ptr->lang) {
             QTextCodec *codec = QTextCodec::codecForName(text_ptr->lang);
             if (codec) {