Fix for Qt 4.2 (patch mostly from JMarc).

[features.git] / src / frontends / qt4 / GuiApplication.cpp

diff --git a/src/frontends/qt4/GuiApplication.cpp b/src/frontends/qt4/GuiApplication.cpp
index c56524fd24cf187f0e3e42aacf472a6f87ef886f..4daecb0e4217f41dc46e24ffd609fae1a6affd58 100644 (file)
--- a/src/frontends/qt4/GuiApplication.cpp
+++ b/src/frontends/qt4/GuiApplication.cpp
@@ -104,7 +104,9 @@
 #include <QTextCodec>
 #include <QTimer>
 #include <QTranslator>
+#if QT_VERSION >= 0x040300
 #include <QThreadPool>
+#endif
 #include <QWidget>
 
 #ifdef Q_WS_X11
@@ -822,10 +824,12 @@ GuiApplication::GuiApplication(int & argc, char ** argv)
                this, SLOT(handleRegularEvents()));
        d->general_timer_.start();
 
+#if QT_VERSION >= 0x040300
        // maxThreadCount() defaults in general to 2 on single or dual-processor.
        // This is clearly not enough in a time where we use threads for
        // document preview and/or export. 20 should be OK.
        QThreadPool::globalInstance()->setMaxThreadCount(20);
+#endif
 }