diff -up qt-x11-opensource-src-4.5.1/src/corelib/kernel/qcoreapplication.cpp.kde4_plugins qt-x11-opensource-src-4.5.1/src/corelib/kernel/qcoreapplication.cpp

--- qt-x11-opensource-src-4.5.1/src/corelib/kernel/qcoreapplication.cpp.kde4_plugins	2009-04-21 18:57:41.000000000 -0500

+++ qt-x11-opensource-src-4.5.1/src/corelib/kernel/qcoreapplication.cpp	2009-05-06 13:53:40.258081854 -0500

@@ -2061,6 +2061,15 @@ QStringList QCoreApplication::libraryPat

                 app_libpaths->append(installPathPlugins);

         }

+        // hack in support for kde4 plugin paths -- Rex

+        QString kde4PathPlugins = QLibraryInfo::location(QLibraryInfo::LibrariesPath) + QLatin1String("/kde4/plugins");

+        if (QFile::exists(kde4PathPlugins)) {

+            // Make sure we convert from backslashes to slashes.

+            // kde4PathPlugins = QDir(kde4PathPlugins).canonicalPath();

+            if (!app_libpaths->contains(kde4PathPlugins))

+                app_libpaths->append(kde4PathPlugins);

+        }

+

         // If QCoreApplication is not yet instantiated,

         // make sure we add the application path when we construct the QCoreApplication

         if (self) self->d_func()->appendApplicationPathToLibraryPaths();