From 2a76ef7e990404340f53cafbe4f85d8f124da0f1 Mon Sep 17 00:00:00 2001
From: Robin Burchell <robin.burchell@jollamobile.com>
Date: Thu, 28 Nov 2013 11:37:11 +0100
Subject: qdbusxml2cpp: Use the mtime on the input XML to avoid needless source
 changes.

These can cause rebuilds unnecessarily when repeatedly running qdbusxml2cpp.

Change-Id: I902954d4bed6fe68802183e51d82700fe30af437
Reviewed-by: Mathias Hasselmann <mathias.hasselmann@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'src')

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;
-- 
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