Fix regression in creating mkspecs/default

Copy all files from original mkspec to default one and modify
*.conf, *.prf, and  *.h to include their original counterparts.

Task-number: QTBUG-17258
Reviewed-by: Oswald Buddenhagen
(cherry picked from commit b52bf57e46520fb65d3d4c43bdb9c3d972690cb8)

3 files changed, 66 insertions, 29 deletions

diff --git a/tools/configure/configureapp.cpp b/tools/configure/configureapp.cpp
index 9dda3bd..34585ba 100644
--- a/tools/configure/configureapp.cpp
+++ b/tools/configure/configureapp.cpp
@@ -3242,8 +3242,7 @@ void Configure::generateConfigfiles()
     }
 
     // Copy configured mkspec to default directory, but remove the old one first, if there is any
-    QString mkspecsPath = buildPath + "/mkspecs";
-    QString defSpec = mkspecsPath + "/default";
+    QString defSpec = buildPath + "/mkspecs/default";
     QFileInfo defSpecInfo(defSpec);
     if (defSpecInfo.exists()) {
         if (!Environment::rmdir(defSpec)) {
@@ -3253,30 +3252,13 @@ void Configure::generateConfigfiles()
         }
     }
 
-    QDir mkspecsDir(mkspecsPath);
-    if (!mkspecsDir.mkdir("default")) {
-        cout << "Couldn't create default mkspec dir!" << endl;
-        dictionary["DONE"] = "error";
-        return;
-    }
-
     QString spec = dictionary.contains("XQMAKESPEC") ? dictionary["XQMAKESPEC"] : dictionary["QMAKESPEC"];
     QString pltSpec = sourcePath + "/mkspecs/" + spec;
-    outName = defSpec + "/qmake.conf";
-    QFile qmakeConfFile(outName);
-    if (qmakeConfFile.open(QFile::WriteOnly | QFile::Text)) {
-        QTextStream qmakeConfStream;
-        qmakeConfStream.setDevice(&qmakeConfFile);
-        // While QMAKESPEC_ORIGINAL being relative or absolute doesn't matter for the
-        // primary use of this variable by qmake to identify the original mkspec, the
-        // variable is also used for few special cases where the absolute path is required.
-        // Conversely, the include of the original qmake.conf must be done using relative path,
-        // as some Qt binary deployments are done in a manner that doesn't allow for patching
-        // the paths at the installation time.
-        qmakeConfStream << "QMAKESPEC_ORIGINAL=" << pltSpec << endl << endl;
-        qmakeConfStream << "include(" << "../" << spec << "/qmake.conf)" << endl << endl;
-        qmakeConfStream.flush();
-        qmakeConfFile.close();
+    QString includeSpec = buildPath + "/mkspecs/" + spec;
+    if (!Environment::cpdir(pltSpec, defSpec, includeSpec)) {
+        cout << "Couldn't update default mkspec! Does " << qPrintable(pltSpec) << " exist?" << endl;
+        dictionary["DONE"] = "error";
+        return;
     }
 
     // Generate the new qconfig.cpp file
diff --git a/tools/configure/environment.cpp b/tools/configure/environment.cpp
index 05fd567..9d1c23a 100644
--- a/tools/configure/environment.cpp
+++ b/tools/configure/environment.cpp
@@ -407,10 +407,25 @@ int Environment::execute(QStringList arguments, const QStringList &additionalEnv
     return exitCode;
 }
 
-bool Environment::cpdir(const QString &srcDir, const QString &destDir)
+/*!
+    Copies the \a srcDir contents into \a destDir.
+
+    If \a includeSrcDir is not empty, any files with 'h', 'prf', or 'conf' suffixes
+    will not be copied over from \a srcDir. Instead a new file will be created
+    in \a destDir with the same name and that file will include a file with the
+    same name from the \a includeSrcDir using relative path and appropriate
+    syntax for the file type.
+
+    Returns true if copying was successful.
+*/
+bool Environment::cpdir(const QString &srcDir,
+                        const QString &destDir,
+                        const QString &includeSrcDir)
 {
     QString cleanSrcName = QDir::cleanPath(srcDir);
     QString cleanDstName = QDir::cleanPath(destDir);
+    QString cleanIncludeName = QDir::cleanPath(includeSrcDir);
+
 #ifdef CONFIGURE_DEBUG_CP_DIR
     qDebug() << "Attempt to cpdir " << cleanSrcName << "->" << cleanDstName;
 #endif
@@ -421,21 +436,59 @@ bool Environment::cpdir(const QString &srcDir, const QString &destDir)
 
     bool result = true;
     QDir dir = QDir(cleanSrcName);
+    QDir destinationDir = QDir(cleanDstName);
     QFileInfoList allEntries = dir.entryInfoList(QDir::AllDirs | QDir::Files | QDir::NoDotAndDotDot);
     for (int i = 0; result && (i < allEntries.count()); ++i) {
         QFileInfo entry = allEntries.at(i);
 	bool intermediate = true;
         if (entry.isDir()) {
+            QString newIncSrcDir;
+            if (!includeSrcDir.isEmpty())
+                newIncSrcDir = QString("%1/%2").arg(cleanIncludeName).arg(entry.fileName());
+
             intermediate = cpdir(QString("%1/%2").arg(cleanSrcName).arg(entry.fileName()),
-                            QString("%1/%2").arg(cleanDstName).arg(entry.fileName()));
+                                 QString("%1/%2").arg(cleanDstName).arg(entry.fileName()),
+                                 newIncSrcDir);
         } else {
             QString destFile = QString("%1/%2").arg(cleanDstName).arg(entry.fileName());
 #ifdef CONFIGURE_DEBUG_CP_DIR
 	    qDebug() << "About to cp (file)" << entry.absoluteFilePath() << "->" << destFile;
 #endif
 	    QFile::remove(destFile);
-            intermediate = QFile::copy(entry.absoluteFilePath(), destFile);
-            SetFileAttributes((wchar_t*)destFile.utf16(), FILE_ATTRIBUTE_NORMAL);
+            QString suffix = entry.suffix();
+            if (!includeSrcDir.isEmpty() && (suffix == "prf" || suffix == "conf" || suffix == "h")) {
+                QString relativeIncludeFilePath = QString("%1/%2").arg(cleanIncludeName).arg(entry.fileName());
+                relativeIncludeFilePath = destinationDir.relativeFilePath(relativeIncludeFilePath);
+#ifdef CONFIGURE_DEBUG_CP_DIR
+                qDebug() << "...instead generate relative include to" << relativeIncludeFilePath;
+#endif
+                QFile currentFile(destFile);
+                if (currentFile.open(QFile::WriteOnly | QFile::Text)) {
+                    QTextStream fileStream;
+                    fileStream.setDevice(&currentFile);
+
+                    if (suffix == "prf" || suffix == "conf") {
+                        if (entry.fileName() == "qmake.conf") {
+                            // While QMAKESPEC_ORIGINAL being relative or absolute doesn't matter for the
+                            // primary use of this variable by qmake to identify the original mkspec, the
+                            // variable is also used for few special cases where the absolute path is required.
+                            // Conversely, the include of the original qmake.conf must be done using relative path,
+                            // as some Qt binary deployments are done in a manner that doesn't allow for patching
+                            // the paths at the installation time.
+                            fileStream << "QMAKESPEC_ORIGINAL=" << cleanSrcName << endl << endl;
+                        }
+                        fileStream << "include(" << relativeIncludeFilePath << ")" << endl << endl;
+                    } else if (suffix == "h") {
+                        fileStream << "#include \"" << relativeIncludeFilePath << "\"" << endl << endl;
+                    }
+
+                    fileStream.flush();
+                    currentFile.close();
+                }
+            } else {
+                intermediate = QFile::copy(entry.absoluteFilePath(), destFile);
+                SetFileAttributes((wchar_t*)destFile.utf16(), FILE_ATTRIBUTE_NORMAL);
+            }
         }
 	if(!intermediate) {
 	    qDebug() << "cpdir: Failure for " << entry.fileName() << entry.isDir();
diff --git a/tools/configure/environment.h b/tools/configure/environment.h
index e3e8629..61e97eb 100644
--- a/tools/configure/environment.h
+++ b/tools/configure/environment.h
@@ -69,7 +69,9 @@ public:
     static bool detectExecutable(const QString &executable);
 
     static int execute(QStringList arguments, const QStringList &additionalEnv, const QStringList &removeEnv);
-    static bool cpdir(const QString &srcDir, const QString &destDir);
+    static bool cpdir(const QString &srcDir,
+                      const QString &destDir,
+                      const QString &includeSrcDir = QString());
     static bool rmdir(const QString &name);
 
     static QString symbianEpocRoot();