IncrediBuild: Finish buildstep aspectification

Change-Id: I7135ff47e4c117bf8917cfbd7c90b1e0ba527145
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/incredibuild/commandbuilderaspect.h

@@ -28,6 +28,9 @@
 #include <projectexplorer/buildstep.h>
 #include <projectexplorer/projectconfigurationaspects.h>
 
+#include <QLabel>
+#include <QPointer>
+
 namespace IncrediBuild {
 namespace Internal {
 
@@ -49,5 +52,17 @@ private:
     class CommandBuilderAspectPrivate *d = nullptr;
 };
 
+class TextDisplay final : public ProjectExplorer::ProjectConfigurationAspect
+{
+public:
+    TextDisplay(const QString &message) : m_message(message) {}
+
+private:
+    void addToLayout(ProjectExplorer::LayoutBuilder &builder) final;
+
+    QString m_message;
+    QPointer<QLabel> m_label;
+};
+
 } // namespace Internal
 } // namespace IncrediBuild