Index: /trunk/configure
===================================================================
--- /trunk/configure	(revision 57922)
+++ /trunk/configure	(revision 57923)
@@ -1534,5 +1534,5 @@
       fi
     fi
-    if ! test -n "${foundqt4}"; then
+    if test -z "${foundqt4}"; then
       # do it the old way (e.g. user has specified QT4DIR)
       for q in $QT4DIR "$PWD/tools/linux.$TARGET_MACHINE"/qt/v4.8.*; do