1 files changed, 8 insertions, 3 deletions
diff --git a/src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp b/src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp
index 6dd88824b5..560b58817e 100644
--- a/src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp
+++ b/src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp
@@ -43,6 +43,7 @@
 #include <qdatetime.h>
 #include <qdebug.h>
 #include <qfile.h>
+#include <qfileinfo.h>
 #include <qstring.h>
 #include <qstringlist.h>
 #include <qtextstream.h>
@@ -65,6 +66,7 @@ static QString parentClassName;
 static QString proxyFile;
 static QString adaptorFile;
 static QString inputFile;
+static QDateTime classCreationTime;
 static bool skipNamespaces;
 static bool verbose;
 static bool includeMocs;
@@ -216,10 +218,13 @@ static void parseCmdLine(QStringList args)
 static QDBusIntrospection::Interfaces readInput()
 {
     QFile input(inputFile);
-    if (inputFile.isEmpty() || inputFile == QLatin1String("-"))
+    if (inputFile.isEmpty() || inputFile == QLatin1String("-")) {
         input.open(stdin, QIODevice::ReadOnly);
-    else
+        classCreationTime = QDateTime::currentDateTime();
+    } else {
         input.open(QIODevice::ReadOnly);
+        classCreationTime = QFileInfo(input).lastModified();
+    }
 
     QByteArray data = input.readAll();
 
@@ -556,7 +561,7 @@ static void writeProxy(const QString &filename, const QDBusIntrospection::Interf
     }
     includeGuard = QString(QLatin1String("%1_%2"))
                    .arg(includeGuard)
-                   .arg(QDateTime::currentDateTime().toTime_t());
+                   .arg(classCreationTime.toTime_t());
     hs << "#ifndef " << includeGuard << endl
        << "#define " << includeGuard << endl
        << endl;