Index: acinclude.m4.in
===================================================================
--- acinclude.m4.in	(revision 4754)
+++ acinclude.m4.in	(working copy)
@@ -227,7 +227,7 @@
 
 AC_DEFUN([AC_CHECK_QT_SETUP],
 [
-  AC_MSG_CHECKING(for Qt >= 4.x)
+  AC_MSG_CHECKING(for Qt >= 4.2)
 
   AC_CACHE_VAL(ac_cv_qt_setup, 
   [
@@ -246,7 +246,7 @@
       #include <Qt/qglobal.h>
     ],
     [
-      #if QT_VERSION < 0x040000
+      #if QT_VERSION < 0x040200
          choke me
       #endif
     ],
@@ -259,7 +259,7 @@
 
   if test "$ac_cv_qt_setup" != "yes"; then
     AC_MSG_ERROR([
-      Sorry, but you need Qt version 4.x or higher to compile the Qt gui plugin.
+      Sorry, but you need Qt version 4.2 or higher to compile the Qt gui plugin.
     ])
   fi
 ])