From 1b7fc163fe442d850779c082fd77aa5b1a948d14 Mon Sep 17 00:00:00 2001
From: Kai Koehne <kai.koehne@nokia.com>
Date: Thu, 7 Apr 2011 12:46:10 +0200
Subject: [PATCH] QMakeStep: Show error output if qmlsdebuggerlib build fails

Reviewed-by: dt
---
 src/plugins/qt4projectmanager/qmakestep.cpp | 28 ++++++++++++++++-----
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/src/plugins/qt4projectmanager/qmakestep.cpp b/src/plugins/qt4projectmanager/qmakestep.cpp
index 520213d4ad9..e9c5c3d1328 100644
--- a/src/plugins/qt4projectmanager/qmakestep.cpp
+++ b/src/plugins/qt4projectmanager/qmakestep.cpp
@@ -42,6 +42,7 @@
 #include "qt4target.h"
 #include "qtversionmanager.h"
 #include "debugginghelperbuildtask.h"
+#include "ui_showbuildlog.h"
 
 #include <projectexplorer/buildsteplist.h>
 #include <projectexplorer/toolchain.h>
@@ -556,12 +557,27 @@ void QMakeStepConfigWidget::buildQmlDebuggingHelper()
 
 void QMakeStepConfigWidget::debuggingHelperBuildFinished(int qtVersionId, const QString &output)
 {
-    m_step->qt4BuildConfiguration()->qtVersion()->invalidateCache();
-    m_ui.qmlDebuggingLibraryCheckBox->setChecked(m_step->linkQmlDebuggingLibrary());
-    m_ui.qmlDebuggingLibraryCheckBox->setEnabled(m_step->isQmlDebuggingLibrarySupported());
-    updateSummaryLabel();
-    updateEffectiveQMakeCall();
-    updateQmlDebuggingWarningsLabel();
+    QtVersion *version = QtVersionManager::instance()->version(qtVersionId);
+    if (!version) // qt version got deleted in between
+        return;
+    version->invalidateCache();
+
+    if (version == m_step->qt4BuildConfiguration()->qtVersion()) {
+        m_ui.qmlDebuggingLibraryCheckBox->setChecked(m_step->linkQmlDebuggingLibrary());
+        m_ui.qmlDebuggingLibraryCheckBox->setEnabled(m_step->isQmlDebuggingLibrarySupported());
+        updateSummaryLabel();
+        updateEffectiveQMakeCall();
+        updateQmlDebuggingWarningsLabel();
+    }
+
+    if (!version->hasQmlDebuggingLibrary()) {
+        Ui::ShowBuildLog ui;
+        QDialog dialog;
+        ui.setupUi(&dialog);
+
+        ui.log->setPlainText(output);
+        dialog.exec();
+    }
 }
 
 void QMakeStepConfigWidget::updateSummaryLabel()