From 922df2c2339288299fe8d9d5c781397f18532ba3 Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Date: Mon, 15 Jul 2013 16:46:28 +0200
Subject: don't change timestamp of unchanged files

Change-Id: Ifa5c15a37d072c6c8edb50f8a4343d99ee0dccf9
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
---
 tools/configure/configureapp.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'tools/configure/configureapp.cpp')

diff --git a/tools/configure/configureapp.cpp b/tools/configure/configureapp.cpp
index 50b31bbb95..5b62e8f106 100644
--- a/tools/configure/configureapp.cpp
+++ b/tools/configure/configureapp.cpp
@@ -4235,6 +4235,12 @@ FileWriter::FileWriter(const QString &name)
 bool FileWriter::flush()
 {
     QTextStream::flush();
+    QFile oldFile(m_name);
+    if (oldFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        if (oldFile.readAll() == m_buffer.data())
+            return true;
+        oldFile.close();
+    }
     QString dir = QFileInfo(m_name).absolutePath();
     if (!QDir().mkpath(dir)) {
         cout << "Cannot create directory " << qPrintable(QDir::toNativeSeparators(dir)) << ".\n";
-- 
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