Merged develop into feature

--HG--
branch : feature

common.pri

@@ -238,7 +238,7 @@ GCC_DEBUG_CXXFLAGS += \
     -Wmissing-include-dirs \
     -Wpacked \
     -Wredundant-decls \
-    -Winline \
+#    -Winline \
     -Winvalid-pch \
     -Wunsafe-loop-optimizations \
     -Wlong-long \
@@ -427,7 +427,7 @@ CLANG_DEBUG_CXXFLAGS += \
     -Winherited-variadic-ctor \
     -Winit-self \
     -Winitializer-overrides \
-    -Winline \
+#    -Winline \
     -Wint-conversion \
     -Wint-conversions \
     -Wint-to-pointer-cast \
@@ -641,7 +641,7 @@ ICC_DEBUG_CXXFLAGS += \
     -Weffc++ \
     -Wextra-tokens \
     -Wformat \
-    #-Winline \
+#    -Winline \
     -Wmain \
     -Wmissing-declarations \
     -Wmissing-prototypes \

src/app/tape/mapplication.cpp

@@ -79,25 +79,25 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
     Q_UNUSED(context)
 
     // Why on earth didn't Qt want to make failed signal/slot connections qWarning?
-    if ((type == QtDebugMsg) && msg.contains("::connect"))
+    if ((type == QtDebugMsg) && msg.contains(QStringLiteral("::connect")))
     {
         type = QtWarningMsg;
     }
 
-#if !defined(V_NO_DEBUG)
+#if !defined(V_NO_ASSERT)
     // I have decided to hide this annoing message for release builds.
-    if ((type == QtWarningMsg) && msg.contains("setGeometryDp: Unable to set geometry"))
+    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("setGeometry: Unable to set geometry")))
     {
         type = QtDebugMsg;
     }
-#endif //!defined(V_NO_DEBUG)
+#endif //!defined(V_NO_ASSERT)
 
 #if defined(Q_OS_MAC)
 #   if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0) && QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
         // Try hide very annoying, Qt related, warnings in Mac OS X
         // QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
         // https://bugreports.qt.io/browse/QTBUG-42846
-        if ((type == QtWarningMsg) && msg.contains("QNSView"))
+        if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QNSView")))
         {
             type = QtDebugMsg;
         }
@@ -106,7 +106,7 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
     // Hide Qt bug 'Assertion when reading an icns file'
     // https://bugreports.qt.io/browse/QTBUG-45537
     // Remove after Qt fix will be released
-    if ((type == QtWarningMsg) && msg.contains("QICNSHandler::read()"))
+    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QICNSHandler::read()")))
     {
         type = QtDebugMsg;
     }
@@ -115,7 +115,8 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
     // this is another one that doesn't make sense as just a debug message.  pretty serious
     // sign of a problem
     // http://www.developer.nokia.com/Community/Wiki/QPainter::begin:Paint_device_returned_engine_%3D%3D_0_(Known_Issue)
-    if ((type == QtDebugMsg) && msg.contains("QPainter::begin") && msg.contains("Paint device returned engine"))
+    if ((type == QtDebugMsg) && msg.contains(QStringLiteral("QPainter::begin"))
+        && msg.contains(QStringLiteral("Paint device returned engine")))
     {
         type = QtWarningMsg;
     }
@@ -123,8 +124,8 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
     // This qWarning about "Cowardly refusing to send clipboard message to hung application..."
     // is something that can easily happen if you are debugging and the application is paused.
     // As it is so common, not worth popping up a dialog.
-    if ((type == QtWarningMsg) && QString(msg).contains("QClipboard::event")
+    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QClipboard::event"))
-            && QString(msg).contains("Cowardly refusing"))
+            && msg.contains(QStringLiteral("Cowardly refusing")))
     {
         type = QtDebugMsg;
     }

src/app/tape/tape.pro

@@ -257,46 +257,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
-            # want them in global list. Compromise decision delete them from local list.
-            QMAKE_CXXFLAGS -= \
-                -Wundefined-reinterpret-cast \
-                -Wmissing-prototypes # rcc folder
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
         QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -311,6 +272,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         DEFINES += V_NO_DEBUG
     } else {

src/app/tape/tmainwindow.cpp

@@ -2002,7 +2002,7 @@ void TMainWindow::ShowHeaderUnits(QTableWidget *table, int column, const QString
     SCASSERT(table != nullptr);
 
     QString header = table->horizontalHeaderItem(column)->text();
-    const int index = header.indexOf(QLatin1Literal("("));
+    const int index = header.indexOf(QLatin1String("("));
     if (index != -1)
     {
         header.remove(index-1, 100);
@@ -2026,7 +2026,7 @@ void TMainWindow::SetCurrentFile(const QString &fileName)
     if (curFile.isEmpty())
     {
         shownName = tr("untitled");
-        mType == MeasurementsType::Standard ? shownName += QLatin1Literal(".vst") : shownName += QLatin1Literal(".vit");
+        mType == MeasurementsType::Standard ? shownName += QLatin1String(".vst") : shownName += QLatin1String(".vit");
         ui->lineEditPathToFile->setText(tr("<Empty>"));
         ui->lineEditPathToFile->setToolTip(tr("File was not saved yet."));
         ui->lineEditPathToFile->setCursorPosition(0);
@@ -2055,7 +2055,7 @@ void TMainWindow::SetCurrentFile(const QString &fileName)
 
 #if defined(Q_OS_MAC)
     static QIcon fileIcon = QIcon(QApplication::applicationDirPath() +
-                                  QLatin1Literal("/../Resources/measurements.icns"));
+                                  QLatin1String("/../Resources/measurements.icns"));
     QIcon icon;
     if (not curFile.isEmpty())
     {

src/app/tape/warnings.pri

@@ -0,0 +1,54 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wundefined-reinterpret-cast \
+        -Wmissing-prototypes # rcc folder
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/app/valentina/core/vapplication.cpp

@@ -75,25 +75,25 @@ Q_DECL_CONSTEXPR auto DAYS_TO_KEEP_LOGS = 3;
 inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &context, const QString &msg)
 {
     // Why on earth didn't Qt want to make failed signal/slot connections qWarning?
-    if ((type == QtDebugMsg) && msg.contains("::connect"))
+    if ((type == QtDebugMsg) && msg.contains(QStringLiteral("::connect")))
     {
         type = QtWarningMsg;
     }
 
-#if !defined(V_NO_DEBUG)
+#if !defined(V_NO_ASSERT)
     // I have decided to hide this annoing message for release builds.
-    if ((type == QtWarningMsg) && msg.contains("setGeometryDp: Unable to set geometry"))
+    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("setGeometry: Unable to set geometry")))
     {
         type = QtDebugMsg;
     }
-#endif //!defined(V_NO_DEBUG)
+#endif //!defined(V_NO_ASSERT)
 
 #if defined(Q_OS_MAC)
 #   if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0) && QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
         // Try hide very annoying, Qt related, warnings in Mac OS X
         // QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
         // https://bugreports.qt.io/browse/QTBUG-42846
-        if ((type == QtWarningMsg) && msg.contains("QNSView"))
+        if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QNSView")))
         {
             type = QtDebugMsg;
         }
@@ -102,7 +102,7 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
     // Hide Qt bug 'Assertion when reading an icns file'
     // https://bugreports.qt.io/browse/QTBUG-45537
     // Remove after Qt fix will be released
-    if ((type == QtWarningMsg) && msg.contains("QICNSHandler::read()"))
+    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QICNSHandler::read()")))
     {
         type = QtDebugMsg;
     }
@@ -111,7 +111,8 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
     // this is another one that doesn't make sense as just a debug message.  pretty serious
     // sign of a problem
     // http://www.developer.nokia.com/Community/Wiki/QPainter::begin:Paint_device_returned_engine_%3D%3D_0_(Known_Issue)
-    if ((type == QtDebugMsg) && msg.contains("QPainter::begin") && msg.contains("Paint device returned engine"))
+    if ((type == QtDebugMsg) && msg.contains(QStringLiteral("QPainter::begin"))
+            && msg.contains(QStringLiteral("Paint device returned engine")))
     {
         type = QtWarningMsg;
     }
@@ -119,8 +120,8 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
     // This qWarning about "Cowardly refusing to send clipboard message to hung application..."
     // is something that can easily happen if you are debugging and the application is paused.
     // As it is so common, not worth popping up a dialog.
-    if ((type == QtWarningMsg) && QString(msg).contains("QClipboard::event")
+    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QClipboard::event"))
-            && QString(msg).contains("Cowardly refusing"))
+            && msg.contains(QStringLiteral("Cowardly refusing")))
     {
         type = QtDebugMsg;
     }
@@ -132,7 +133,7 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
     const bool isGuiThread = instance && (QThread::currentThread() == instance->thread());
 
     {
-        QString debugdate = "[" + QDateTime::currentDateTime().toString("yyyy.MM.dd hh:mm:ss");
+        QString debugdate = "[" + QDateTime::currentDateTime().toString(QStringLiteral("yyyy.MM.dd hh:mm:ss"));
 
         switch (type)
         {

src/app/valentina/dialogs/dialoglayoutsettings.cpp

@@ -43,11 +43,11 @@
 
 //must be the same order as PaperSizeTemplate constants
 const DialogLayoutSettings::FormatsVector DialogLayoutSettings::pageFormatNames =
-        DialogLayoutSettings::FormatsVector () << QLatin1Literal("A0")
+        DialogLayoutSettings::FormatsVector () << QLatin1String("A0")
-                                               << QLatin1Literal("A1")
+                                               << QLatin1String("A1")
-                                               << QLatin1Literal("A2")
+                                               << QLatin1String("A2")
-                                               << QLatin1Literal("A3")
+                                               << QLatin1String("A3")
-                                               << QLatin1Literal("A4")
+                                               << QLatin1String("A4")
                                                << QApplication::translate("DialogLayoutSettings", "Letter")
                                                << QApplication::translate("DialogLayoutSettings", "Legal")
                                                << QApplication::translate("DialogLayoutSettings", "Roll 24in")

src/app/valentina/dialogs/dialogsavelayout.cpp

@@ -67,7 +67,7 @@ DialogSaveLayout::DialogSaveLayout(int count, const QString &fileName, QWidget *
     ui->lineEditFileName->setValidator( new QRegExpValidator(QRegExp(baseFilenameRegExp), this));
 #endif
 
-    const QString mask = fileName+QLatin1Literal("_");
+    const QString mask = fileName+QLatin1String("_");
     if (VApplication::IsGUIMode())
     {
         ui->lineEditFileName->setText(mask);
@@ -299,15 +299,15 @@ bool DialogSaveLayout::TestPdf()
 QVector<std::pair<QString, QString>> DialogSaveLayout::InitAvailFormats()
 {
     QVector<std::pair<QString, QString>> list;
-    list.append(std::make_pair(tr("Svg files (*.svg)"), QLatin1Literal(".svg")));
+    list.append(std::make_pair(tr("Svg files (*.svg)"), QLatin1String(".svg")));
-    list.append(std::make_pair(tr("PDF files (*.pdf)"), QLatin1Literal(".pdf")));
+    list.append(std::make_pair(tr("PDF files (*.pdf)"), QLatin1String(".pdf")));
-    list.append(std::make_pair(tr("Images (*.png)"), QLatin1Literal(".png")));
+    list.append(std::make_pair(tr("Images (*.png)"), QLatin1String(".png")));
-    list.append(std::make_pair(tr("Wavefront OBJ (*.obj)"), QLatin1Literal(".obj")));
+    list.append(std::make_pair(tr("Wavefront OBJ (*.obj)"), QLatin1String(".obj")));
     if (SupportPSTest())
     {
-        list.append(std::make_pair(tr("PS files (*.ps)"), QLatin1Literal(".ps")));
+        list.append(std::make_pair(tr("PS files (*.ps)"), QLatin1String(".ps")));
-        list.append(std::make_pair(tr("EPS files (*.eps)"), QLatin1Literal(".eps")));
+        list.append(std::make_pair(tr("EPS files (*.eps)"), QLatin1String(".eps")));
     }
-    list.append(std::make_pair(tr("DXF files (*.dxf)"), QLatin1Literal(".dxf")));
+    list.append(std::make_pair(tr("DXF files (*.dxf)"), QLatin1String(".dxf")));
     return list;
 }

src/app/valentina/mainwindow.cpp

@@ -3020,7 +3020,7 @@ bool MainWindow::SavePattern(const QString &fileName, QString &error)
     const bool result = doc->SaveDocument(fileName, error);
     if (result)
     {
-        if (tempInfo.suffix() != QLatin1Literal("autosave"))
+        if (tempInfo.suffix() != QLatin1String("autosave"))
         {
             setCurrentFile(fileName);
             helpLabel->setText(tr("File saved"));
@@ -4419,7 +4419,7 @@ QString MainWindow::GetPatternFileName()
     {
         shownName = StrippedName(curFile);
     }
-    shownName += QLatin1Literal("[*]");
+    shownName += QLatin1String("[*]");
     return shownName;
 }
 
@@ -4437,10 +4437,10 @@ QString MainWindow::GetMeasurementFileName()
 
         if(mChanges)
         {
-            shownName += QLatin1Literal("*");
+            shownName += QLatin1String("*");
         }
 
-        shownName += QLatin1Literal("]");
+        shownName += QLatin1String("]");
         return shownName;
     }
 }
@@ -4460,7 +4460,7 @@ void MainWindow::UpdateWindowTitle()
 
 #if defined(Q_OS_MAC)
     static QIcon fileIcon = QIcon(QApplication::applicationDirPath() +
-                                  QLatin1Literal("/../Resources/Valentina.icns"));
+                                  QLatin1String("/../Resources/Valentina.icns"));
     QIcon icon;
     if (not curFile.isEmpty())
     {

src/app/valentina/mainwindowsnogui.cpp

@@ -979,7 +979,7 @@ void MainWindowsNoGUI::SetPrinterSettings(QPrinter *printer, const PrintType &pr
             #ifdef Q_OS_WIN
             printer->setOutputFileName(outputFileName);
             #else
-            printer->setOutputFileName(outputFileName + QLatin1Literal(".pdf"));
+            printer->setOutputFileName(outputFileName + QLatin1String(".pdf"));
             #endif
 
             #ifdef Q_OS_MAC

src/app/valentina/valentina.pro

@@ -67,52 +67,10 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                -isystem "$${OUT_PWD}/../../libs/vtools/$${UI_DIR}" \ # For VTools UI files
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                -isystem "$${OUT_PWD}/../../libs/vtools/$${UI_DIR}" \ # For VTools UI files
-                $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
-            # want them in global list. Compromise decision delete them from local list.
-            QMAKE_CXXFLAGS -= \
-                -Wmissing-prototypes \
-                -Wundefined-reinterpret-cast
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS+= \
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                -isystem "$${OUT_PWD}/../../libs/vtools/$${UI_DIR}" \ # For VTools UI files
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
-        QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+            QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
         }
     }
 
@@ -128,6 +86,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         DEFINES += V_NO_DEBUG
     } else {

src/app/valentina/warnings.pri

@@ -0,0 +1,57 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        -isystem "$${OUT_PWD}/../../libs/vtools/$${UI_DIR}" \ # For VTools UI files
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        -isystem "$${OUT_PWD}/../../libs/vtools/$${UI_DIR}" \ # For VTools UI files
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wmissing-prototypes \
+        -Wundefined-reinterpret-cast
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS+= \
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        -isystem "$${OUT_PWD}/../../libs/vtools/$${UI_DIR}" \ # For VTools UI files
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/app/valentina/xml/vpattern.cpp

@@ -355,7 +355,7 @@ bool VPattern::SaveDocument(const QString &fileName, QString &error) const
     }
 
     const bool saved = VAbstractPattern::SaveDocument(fileName, error);
-    if (saved && QFileInfo(fileName).suffix() != QLatin1Literal("autosave"))
+    if (saved && QFileInfo(fileName).suffix() != QLatin1String("autosave"))
     {
         modified = false;
     }

src/libs/fervor/fervor.pro

@@ -48,37 +48,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            -isystem "$${OUT_PWD}/$${UI_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -93,6 +63,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/libs/fervor/fvupdater.cpp

@@ -339,13 +339,13 @@ bool FvUpdater::xmlParseFeed()
 
         if (m_xml.isStartElement())
         {
-            if (m_xml.name() == QLatin1Literal("item"))
+            if (m_xml.name() == QLatin1String("item"))
             {
                 xmlEnclosureUrl.clear();
                 xmlEnclosureVersion.clear();
                 xmlEnclosurePlatform.clear();
             }
-            else if (m_xml.name() == QLatin1Literal("enclosure"))
+            else if (m_xml.name() == QLatin1String("enclosure"))
             {
                 const QXmlStreamAttributes attribs = m_xml.attributes();
                 const QString fervorPlatform = QStringLiteral("fervor:platform");
@@ -381,7 +381,7 @@ bool FvUpdater::xmlParseFeed()
         }
         else if (m_xml.isEndElement())
         {
-            if (m_xml.name() == QLatin1Literal("item"))
+            if (m_xml.name() == QLatin1String("item"))
             {
                 // That's it - we have analyzed a single <item> and we'll stop
                 // here (because the topmost is the most recent one, and thus

src/libs/fervor/warnings.pri

@@ -0,0 +1,45 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/ifc/ifc.pro

@@ -56,43 +56,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-
-        # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
-        # want them in global list. Compromise decision delete them from local list.
-        QMAKE_CXXFLAGS -= \
-            -Wmissing-prototypes \
-            -Wundefined-reinterpret-cast
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -107,6 +71,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/libs/ifc/warnings.pri

@@ -0,0 +1,51 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+        checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+            QMAKE_CXXFLAGS += -Werror
+        }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wmissing-prototypes \
+        -Wundefined-reinterpret-cast
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/ifc/xml/vabstractconverter.cpp

@@ -57,7 +57,7 @@ void VAbstractConverter::Convert()
     }
 
     QString error;
-    const QString backupFileName = fileName + QLatin1Literal(".backup");
+    const QString backupFileName = fileName + QLatin1String(".backup");
     if (SafeCopy(fileName, backupFileName, error) == false)
     {
         const QString errorMsg(tr("Error creating a backup file: %1.").arg(error));

src/libs/ifc/xml/vabstractpattern.cpp

@@ -164,7 +164,7 @@ QStringList VAbstractPattern::ListMeasurements() const
         const QList<QString> tValues = tokens.values();
         for (int j = 0; j < tValues.size(); ++j)
         {
-            if (tValues.at(j) == QLatin1Literal("-"))
+            if (tValues.at(j) == QLatin1String("-"))
             {
                 continue;
             }
@@ -1232,11 +1232,11 @@ QDomElement VAbstractPattern::CheckTagExists(const QString &tag)
                 element = createElement(TagGradation);
 
                 QDomElement heights = createElement(TagHeights);
-                heights.setAttribute(AttrAll, QLatin1Literal("true"));
+                heights.setAttribute(AttrAll, QLatin1String("true"));
                 element.appendChild(heights);
 
                 QDomElement sizes = createElement(TagSizes);
-                sizes.setAttribute(AttrAll, QLatin1Literal("true"));
+                sizes.setAttribute(AttrAll, QLatin1String("true"));
                 element.appendChild(sizes);
                 break;
             }

src/libs/ifc/xml/vdomdocument.cpp

@@ -771,7 +771,7 @@ bool VDomDocument::SafeCopy(const QString &source, const QString &destination, Q
     qt_ntfs_permission_lookup++; // turn checking on
 #endif /*Q_OS_WIN32*/
 
-    QTemporaryFile destFile(destination + QLatin1Literal(".XXXXXX"));
+    QTemporaryFile destFile(destination + QLatin1String(".XXXXXX"));
     destFile.setAutoRemove(false);
     if (not destFile.open())
     {

src/libs/ifc/xml/vdomdocument.h

@@ -139,9 +139,7 @@ template <typename T>
  */
 inline void VDomDocument::SetAttribute(QDomElement &domElement, const QString &name, const T &value) const
 {
-    QString val = QString().setNum(value);
+    domElement.setAttribute(name, QString().setNum(value).replace(QLatin1String(","), QLatin1String(".")));
-    val = val.replace(",", ".");
-    domElement.setAttribute(name, val);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -156,16 +154,7 @@ inline void VDomDocument::SetAttribute<QString>(QDomElement &domElement, const Q
 template <>
 inline void VDomDocument::SetAttribute<bool>(QDomElement &domElement, const QString &name, const bool &value) const
 {
-    QString string;
+    domElement.setAttribute(name, value ? QStringLiteral("true") : QStringLiteral("false"));
-    if (value)
-    {
-        string = "true";
-    }
-    else
-    {
-        string = "false";
-    }
-    domElement.setAttribute(name, string);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -173,14 +162,8 @@ template <>
 inline void VDomDocument::SetAttribute<MeasurementsType>(QDomElement &domElement, const QString &name,
                                                               const MeasurementsType &value) const
 {
-    if (value == MeasurementsType::Standard)
+    domElement.setAttribute(name, value == MeasurementsType::Standard ? QStringLiteral("standard") :
-    {
+                                                                        QStringLiteral("individual"));
-        domElement.setAttribute(name, "standard");
-    }
-    else
-    {
-        domElement.setAttribute(name, "individual");
-    }
 }
 
 #ifdef Q_CC_GNU

src/libs/ifc/xml/vpatternconverter.cpp

@@ -181,7 +181,7 @@ void VPatternConverter::ApplyPatches()
     catch (VException &e)
     {
         QString error;
-        const QString backupFileName = fileName + QLatin1Literal(".backup");
+        const QString backupFileName = fileName + QLatin1String(".backup");
         if (SafeCopy(backupFileName, fileName, error) == false)
         {
             const QString errorMsg(tr("Error restoring backup file: %1.").arg(error));
@@ -896,7 +896,7 @@ void VPatternConverter::ParseModelingToV0_2_4(const QDomElement &modeling)
     QDomElement node = modeling.firstChild().toElement();
     while (not node.isNull())
     {
-        if (node.tagName() == QLatin1Literal("tools"))
+        if (node.tagName() == QLatin1String("tools"))
         {
             const quint32 toolId = node.attribute(QStringLiteral("id")).toUInt();
             QVector<quint32> children;

src/libs/ifc/xml/vvitconverter.cpp

@@ -110,7 +110,7 @@ void VVITConverter::ApplyPatches()
     catch (VException &e)
     {
         QString error;
-        const QString backupFileName = fileName + QLatin1Literal(".backup");
+        const QString backupFileName = fileName + QLatin1String(".backup");
         if (SafeCopy(backupFileName, fileName, error) == false)
         {
             const QString errorMsg(tr("Error restoring backup file: %1.").arg(error));

src/libs/ifc/xml/vvstconverter.cpp

@@ -104,7 +104,7 @@ void VVSTConverter::ApplyPatches()
     catch (VException &e)
     {
         QString error;
-        const QString backupFileName = fileName + QLatin1Literal(".backup");
+        const QString backupFileName = fileName + QLatin1String(".backup");
         if (SafeCopy(backupFileName, fileName, error) == false)
         {
             const QString errorMsg(tr("Error restoring backup file: %1.").arg(error));

src/libs/qmuparser/qmuparser.pro

@@ -65,34 +65,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -107,6 +80,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noStripDebugSymbols {
         # do nothing
     } else {

src/libs/qmuparser/warnings.pri

@@ -0,0 +1,42 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vdxf/vdxf.pro

@@ -43,34 +43,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -85,6 +58,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/libs/vdxf/warnings.pri

@@ -0,0 +1,42 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vformat/vformat.pro

@@ -49,34 +49,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -91,6 +64,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/libs/vformat/warnings.pri

@@ -0,0 +1,42 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vgeometry/vgeometry.pro

@@ -45,34 +45,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -87,6 +60,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/libs/vgeometry/warnings.pri

@@ -0,0 +1,42 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vlayout/vlayout.pro

@@ -48,48 +48,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
-            # want them in the global list. Compromise decision is to delete them from the local list.
-            QMAKE_CXXFLAGS -= \
-                -Wlong-long \
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
-            # want them in global list. Compromise decision delete them from local list.
-            QMAKE_CXXFLAGS -= \
-                -Wundefined-reinterpret-cast \
-                -Wmissing-prototypes # rcc folder
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -104,6 +63,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     QMAKE_CXXFLAGS -= -O2 # Disable default optimization level
     QMAKE_CXXFLAGS += -O3 # For vlayout library enable speed optimizations
 

src/libs/vlayout/warnings.pri

@@ -0,0 +1,56 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
+    # want them in the global list. Compromise decision is to delete them from the local list.
+    QMAKE_CXXFLAGS -= \
+        -Wlong-long \
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wundefined-reinterpret-cast \
+        -Wmissing-prototypes # rcc folder
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vmisc/projectversion.cpp

@@ -44,13 +44,13 @@ QString compilerString()
 #if defined(Q_CC_INTEL) // must be before GNU, Clang and MSVC because ICC/ICL claim to be them
     QString iccCompact;
 #ifdef __INTEL_CLANG_COMPILER
-    iccCompact = QLatin1Literal("Clang");
+    iccCompact = QLatin1String("Clang");
 #elif defined(__INTEL_MS_COMPAT_LEVEL)
-    iccCompact = QLatin1Literal("Microsoft");
+    iccCompact = QLatin1String("Microsoft");
 #elif defined(__GNUC__)
-    iccCompact = QLatin1Literal("GCC");
+    iccCompact = QLatin1String("GCC");
 #else
-    iccCompact = QLatin1Literal("no");
+    iccCompact = QLatin1String("no");
 #endif
     QString iccVersion;
     if (__INTEL_COMPILER >= 1300)

src/libs/vmisc/vabstractapplication.cpp

@@ -79,6 +79,12 @@ VAbstractApplication::VAbstractApplication(int &argc, char **argv)
         // Connect this slot with VApplication::aboutToQuit.
         Settings()->sync();
     });
+
+#if !defined(V_NO_ASSERT)
+    // Ignore SSL-related warnings
+    // See issue #528: Error: QSslSocket: cannot resolve SSLv2_client_method.
+    qputenv("QT_LOGGING_RULES", "qt.network.ssl.warning=false");
+#endif //!defined(V_NO_ASSERT)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -102,12 +108,12 @@ QString VAbstractApplication::translationsPath(const QString &locale) const
     QString mainPath;
     if (locale.isEmpty())
     {
-        mainPath = QApplication::applicationDirPath() + QLatin1Literal("/../Resources") + trPath;
+        mainPath = QApplication::applicationDirPath() + QLatin1String("/../Resources") + trPath;
     }
     else
     {
-        mainPath = QApplication::applicationDirPath() + QLatin1Literal("/../Resources") + trPath + QLatin1Literal("/")
+        mainPath = QApplication::applicationDirPath() + QLatin1String("/../Resources") + trPath + QLatin1String("/")
-                + locale + QLatin1Literal(".lproj");
+                + locale + QLatin1String(".lproj");
     }
     QDir dirBundle(mainPath);
     if (dirBundle.exists())

src/libs/vmisc/vlockguard.h

@@ -156,10 +156,10 @@ bool VLockGuard<Guarded>::TryLock(const QString &lockName, int stale, int timeou
 
 #if QT_VERSION >= QT_VERSION_CHECK(5, 1, 0)
 
-    lockFile = lockName + QLatin1Literal(".lock");
+    lockFile = lockName + QLatin1String(".lock");
 #if defined(Q_OS_UNIX)
     QFileInfo info(lockFile);
-    lockFile = info.absolutePath() + QLatin1Literal("/.") + info.fileName();
+    lockFile = info.absolutePath() + QLatin1String("/.") + info.fileName();
 #endif
     lock.reset(new QLockFile(lockFile));
 

src/libs/vmisc/vmisc.pro

@@ -51,39 +51,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-
-        # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
-        # want them in global list. Compromise decision delete them from local list.
-        QMAKE_CXXFLAGS -= \
-            -Wmissing-prototypes
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -102,12 +70,13 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
-        DEFINES += V_NO_DEBUG
+        # do nothing
     } else {
-        noCrashReports{
-            DEFINES += V_NO_DEBUG
-        }
         !macx:!win32-msvc*{
             # Turn on debug symbols in release mode on Unix systems.
             # On Mac OS X temporarily disabled. TODO: find way how to strip binary file.

src/libs/vmisc/warnings.pri

@@ -0,0 +1,47 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wmissing-prototypes
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vobj/predicates.cpp

@@ -498,6 +498,10 @@ qreal estimate(int elen, qreal *e)
     return Q;
 }
 
+#if defined(Q_CC_GNU)
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
 qreal incircleadapt(qreal *pa, qreal *pb, qreal *pc, qreal *pd, qreal permanent)
 {
     INEXACT qreal adx, bdx, cdx, ady, bdy, cdy;
@@ -1031,6 +1035,9 @@ qreal incircleadapt(qreal *pa, qreal *pb, qreal *pc, qreal *pd, qreal permanent)
 
     return finnow[finlength - 1];
 }
+#if defined(Q_CC_GNU)
+    #pragma GCC diagnostic pop
+#endif
 
 qreal incircle(qreal *pa, qreal *pb, qreal *pc, qreal *pd)
 {

src/libs/vobj/vobj.pro

@@ -43,34 +43,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -85,6 +58,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/libs/vobj/warnings.pri

@@ -0,0 +1,42 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vpatterndb/vpatterndb.pro

@@ -46,34 +46,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -88,6 +61,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/libs/vpatterndb/warnings.pri

@@ -0,0 +1,42 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vpropertyexplorer/vpropertyexplorer.pro

@@ -63,45 +63,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                # Key -isystem disable checking errors in system headers.
-                $$GCC_DEBUG_CXXFLAGS \ # See common.pri for more details.
-
-            # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
-            # want them in global list. Compromise decision delete them from local list.
-            QMAKE_CXXFLAGS -= \
-                -Wswitch-default
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-
-        # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
-        # want them in global list. Compromise decision delete them from local list.
-        QMAKE_CXXFLAGS -= \
-            -Wundefined-reinterpret-cast
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
         QMAKE_CXXFLAGS += $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -116,6 +78,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     !macx:!win32-msvc*{
         noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
             # do nothing

src/libs/vpropertyexplorer/warnings.pri

@@ -0,0 +1,52 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        # Key -isystem disable checking errors in system headers.
+        $$GCC_DEBUG_CXXFLAGS \ # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wswitch-default
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wundefined-reinterpret-cast
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vtools/dialogs/tools/dialogalongline.cpp

@@ -179,7 +179,7 @@ void DialogAlongLine::ChosenObject(quint32 id, const SceneObject &type)
                             line->RefreshGeometry();
                             if (buildMidpoint)
                             {
-                                SetFormula(currentLength + QLatin1Literal("/2"));
+                                SetFormula(currentLength + QLatin1String("/2"));
                             }
                             prepare = true;
                             this->setModal(true);

src/libs/vtools/dialogs/tools/dialogdetail.cpp

@@ -640,7 +640,7 @@ bool DialogDetail::DetailIsValid() const
     QByteArray byteArray;
     QBuffer buffer(&byteArray);
     pixmap.save(&buffer, "PNG");
-    QString url = QString("<img src=\"data:image/png;base64,") + byteArray.toBase64() + QLatin1Literal("\"/> ");
+    QString url = QString("<img src=\"data:image/png;base64,") + byteArray.toBase64() + QLatin1String("\"/> ");
 
     if(CreateDetail().ContourPoints(data).count() < 3)
     {

src/libs/vtools/dialogs/tools/dialogsplinepath.cpp

@@ -934,6 +934,6 @@ void DialogSplinePath::ShowPointIssue(const QString &pName)
     }
     else
     {
-       item->setText(pName + QLatin1Literal("(!)"));
+       item->setText(pName + QLatin1String("(!)"));
     }
 }

src/libs/vtools/vtools.pro

@@ -53,42 +53,7 @@ INCLUDEPATH += $$PWD/../vpatterndb
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-#                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-
-        # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
-        # want them in global list. Compromise decision delete them from local list.
-        QMAKE_CXXFLAGS -= \
-            -Wundefined-reinterpret-cast
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -103,6 +68,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/libs/vtools/warnings.pri

@@ -0,0 +1,50 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+#                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wundefined-reinterpret-cast
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/libs/vwidgets/vwidgets.pro

@@ -45,39 +45,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            # Key -isystem disable checking errors in system headers.
-            -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-
-        # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
-        # want them in global list. Compromise decision delete them from local list.
-        QMAKE_CXXFLAGS -= \
-            -Wundefined-reinterpret-cast
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -92,6 +60,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/libs/vwidgets/warnings.pri

@@ -0,0 +1,47 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wundefined-reinterpret-cast
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/test/ParserTest/ParserTest.pro

@@ -51,34 +51,7 @@ $$enable_ccache()
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-        QMAKE_CXXFLAGS += \
-            $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
-
-        # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
-        # want them in global list. Compromise decision delete them from local list.
-        QMAKE_CXXFLAGS -= \
-            -Wmissing-prototypes
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
         QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -90,6 +63,10 @@ CONFIG(debug, debug|release){
     !win32-msvc*:CONFIG += silent
     DEFINES += QT_NO_DEBUG_OUTPUT
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/test/ParserTest/warnings.pri

@@ -0,0 +1,42 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        $$CLANG_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    # -isystem key works only for headers. In some cases it's not enough. But we can't delete this warnings and
+    # want them in global list. Compromise decision delete them from local list.
+    QMAKE_CXXFLAGS -= \
+        -Wmissing-prototypes
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}

src/test/ValentinaTest/ValentinaTest.pro

@@ -92,41 +92,7 @@ DEFINES += TS_DIR=\\\"$${PWD}/../../../share/translations\\\"
 CONFIG(debug, debug|release){
     # Debug mode
     unix {
-        #Turn on compilers warnings.
+        include(warnings.pri)
-        *-g++{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
-
-            noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
-                # do nothing
-            } else {
-                #gcc’s 4.8.0 Address Sanitizer
-                #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
-                QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-                QMAKE_LFLAGS += -fsanitize=address
-            }
-        }
-        clang*{
-            QMAKE_CXXFLAGS += \
-                # Key -isystem disable checking errors in system headers.
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$CLANG_DEBUG_CXXFLAGS \ # See common.pri for more details.
-                -Wno-gnu-zero-variadic-macro-arguments\ # See macros QSKIP
-        }
-        *-icc-*{
-            QMAKE_CXXFLAGS += \
-                -isystem "$${OUT_PWD}/$${UI_DIR}" \
-                -isystem "$${OUT_PWD}/$${MOC_DIR}" \
-                -isystem "$${OUT_PWD}/$${RCC_DIR}" \
-                $$ICC_DEBUG_CXXFLAGS
-        }
     } else {
         *-g++{
             QMAKE_CXXFLAGS += $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
@@ -140,6 +106,10 @@ CONFIG(debug, debug|release){
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
     }
 
+    checkWarnings{
+        unix:include(warnings.pri)
+    }
+
     noDebugSymbols{ # For enable run qmake with CONFIG+=noDebugSymbols
         # do nothing
     } else {

src/test/ValentinaTest/abstracttest.cpp

@@ -55,7 +55,7 @@ QString AbstractTest::ValentinaPath() const
 {
     const QString path = QStringLiteral("/../../../app/valentina/bin/valentina");
 #ifdef Q_OS_WIN
-    return QApplication::applicationDirPath() + path + QLatin1Literal(".exe");
+    return QApplication::applicationDirPath() + path + QLatin1String(".exe");
 #else
     return QApplication::applicationDirPath() + path;
 #endif
@@ -66,7 +66,7 @@ QString AbstractTest::TapePath() const
 {
     const QString path = QStringLiteral("/../../../app/tape/bin/tape");
 #ifdef Q_OS_WIN
-    return QApplication::applicationDirPath() + path + QLatin1Literal(".exe");
+    return QApplication::applicationDirPath() + path + QLatin1String(".exe");
 #else
     return QApplication::applicationDirPath() + path;
 #endif

src/test/ValentinaTest/tst_measurementregexp.cpp

@@ -431,7 +431,7 @@ int TST_MeasurementRegExp::LoadMeasurements(const QString &checkedSystem, const
     const QString path = TranslationsPath();
     const QString file = QString("measurements_%1_%2.qm").arg(checkedSystem).arg(checkedLocale);
 
-    if (QFileInfo(path+QLatin1Literal("/")+file).size() <= 34)
+    if (QFileInfo(path+QLatin1String("/")+file).size() <= 34)
     {
         const QString message = QString("Translation for system = %1 and locale = %2 is empty. \nFull path: %3/%4")
                 .arg(checkedSystem)
@@ -482,7 +482,7 @@ int TST_MeasurementRegExp::LoadVariables(const QString &checkedLocale)
     const QString path = TranslationsPath();
     const QString file = QString("valentina_%1.qm").arg(checkedLocale);
 
-    if (QFileInfo(path+QLatin1Literal("/")+file).size() <= 34)
+    if (QFileInfo(path+QLatin1String("/")+file).size() <= 34)
     {
         const QString message = QString("Translation variables for locale = %1 is empty. \nFull path: %2/%3")
                 .arg(checkedLocale)
@@ -660,7 +660,7 @@ void TST_MeasurementRegExp::CheckUnderlineExists() const
     while (i != data.constEnd())
     {
         const QString translated = trMs->InternalVarToUser(i.key());
-        if ((translated.right(1) == QLatin1Literal("_")) != i.value())
+        if ((translated.right(1) == QLatin1String("_")) != i.value())
         {
             const QString message = QString("String '%1' doesn't contain underline. Original string is '%2'")
                     .arg(translated).arg(i.key());
@@ -676,11 +676,11 @@ void TST_MeasurementRegExp::CheckInternalVaribleRegExp() const
     const QString regex = QStringLiteral("(.){1,}_(.){1,}$");
     foreach(const QString &var, builInVariables)
     {
-        const QString sourceRegex = QLatin1Literal("^") + var + regex;
+        const QString sourceRegex = QLatin1String("^") + var + regex;
         const QRegularExpression sourceRe(sourceRegex);
 
         const QString translated = trMs->InternalVarToUser(var);
-        const QString translationRegex = QLatin1Literal("^") + translated + regex;
+        const QString translationRegex = QLatin1String("^") + translated + regex;
         const QRegularExpression translationRe(translationRegex);
 
         const QStringList originalNames = AllGroupNames() + builInFunctions + builInVariables;

src/test/ValentinaTest/tst_qmuparsererrormsg.cpp

@@ -212,6 +212,6 @@ void TST_QmuParserErrorMsg::CheckStrings(int code, bool tok, bool pos)
     const QString translated = (*msg)[code];
     const QString message = QString("String: '%1'.").arg(translated);
 
-    QVERIFY2((translated.indexOf(QLatin1Literal("$TOK$")) != -1) == tok, qUtf8Printable(message));
+    QVERIFY2((translated.indexOf(QLatin1String("$TOK$")) != -1) == tok, qUtf8Printable(message));
-    QVERIFY2((translated.indexOf(QLatin1Literal("$POS$")) != -1) == pos, qUtf8Printable(message));
+    QVERIFY2((translated.indexOf(QLatin1String("$POS$")) != -1) == pos, qUtf8Printable(message));
 }

src/test/ValentinaTest/tst_tstranslation.cpp

@@ -116,7 +116,7 @@ void TST_TSTranslation::CheckEmptyToolButton()
                 continue;
             }
 
-            if (source == QLatin1Literal("..."))
+            if (source == QLatin1String("..."))
             {
                 const QDomElement translationTag = message.firstChildElement(TagTranslation);
                 if (translationTag.hasAttribute(AttrType))
@@ -210,7 +210,7 @@ void TST_TSTranslation::CheckPlaceMarkerExist()
 
             for (int i = 1; i <= 99; ++i)
             {
-                const QString marker = QLatin1Literal("%") + QString().setNum(i);
+                const QString marker = QLatin1String("%") + QString().setNum(i);
                 const bool sourceMark = source.indexOf(marker) != -1;
                 if (sourceMark)
                 {
@@ -218,8 +218,8 @@ void TST_TSTranslation::CheckPlaceMarkerExist()
                     if (sourceMarkCount != i)
                     {
                         const QString message = QString("In source string '%1' was missed place marker ")
-                                .arg(source) + QLatin1Literal("'%") + QString().setNum(sourceMarkCount) +
+                                .arg(source) + QLatin1String("'%") + QString().setNum(sourceMarkCount) +
-                                QLatin1Literal("'.");
+                                QLatin1String("'.");
                         QFAIL(qUtf8Printable(message));
                     }
                 }
@@ -231,8 +231,8 @@ void TST_TSTranslation::CheckPlaceMarkerExist()
                     if (translationMarkCount != i)
                     {
                         const QString message = QString("In translation string '%1' was missed place marker ")
-                                .arg(translation) + QLatin1Literal("'%") + QString().setNum(translationMarkCount) +
+                                .arg(translation) + QLatin1String("'%") + QString().setNum(translationMarkCount) +
-                                QLatin1Literal("'.");
+                                QLatin1String("'.");
                         QFAIL(qUtf8Printable(message));
                     }
                 }
@@ -241,8 +241,8 @@ void TST_TSTranslation::CheckPlaceMarkerExist()
                 {
                     const QString message =
                         QString("Compare to source string in the translation string '%1' was missed place marker ")
-                            .arg(translation) + QLatin1Literal("'%") + QString().setNum(sourceMarkCount) +
+                            .arg(translation) + QLatin1String("'%") + QString().setNum(sourceMarkCount) +
-                            QLatin1Literal("'.");
+                            QLatin1String("'.");
                     QFAIL(qUtf8Printable(message));
                 }
             }

src/test/ValentinaTest/tst_valentinacommandline.cpp

@@ -51,7 +51,7 @@ void TST_ValentinaCommandLine::init()
         }
 
         if (not CopyRecursively(QApplication::applicationDirPath() + QDir::separator() +
-                                QLatin1Literal("tst_valentina"),
+                                QLatin1String("tst_valentina"),
                                 QApplication::applicationDirPath() + QDir::separator() + tmpTestFolder))
         {
             QFAIL("Fail to prepare test files for testing.");
@@ -66,7 +66,7 @@ void TST_ValentinaCommandLine::init()
         }
 
         if (not CopyRecursively(QApplication::applicationDirPath() + QDir::separator() +
-                                QLatin1Literal("tst_valentina_collection"),
+                                QLatin1String("tst_valentina_collection"),
                                 QApplication::applicationDirPath() + QDir::separator() + tmpTestCollectionFolder))
         {
             QFAIL("Fail to prepare collection files for testing.");
@@ -199,25 +199,25 @@ void TST_ValentinaCommandLine::TestMode_data() const
 
     QTest::newRow("Issue #256. Correct individual measurements.")<< "issue_256.val"
                                << QString("--test;;-m;;%1").arg(tmp + QDir::separator() +
-                                                                QLatin1Literal("issue_256_correct.vit"))
+                                                                QLatin1String("issue_256_correct.vit"))
                                << true
                                << V_EX_OK;
 
     QTest::newRow("Issue #256. Wrong individual measurements.")<< "issue_256.val"
                                << QString("--test;;-m;;%1").arg(tmp + QDir::separator() +
-                                                                QLatin1Literal("issue_256_wrong.vit"))
+                                                                QLatin1String("issue_256_wrong.vit"))
                                << false
                                << V_EX_NOINPUT;
 
     QTest::newRow("Issue #256. Correct standard measurements.")<< "issue_256.val"
                                << QString("--test;;-m;;%1").arg(tmp + QDir::separator() +
-                                                                QLatin1Literal("issue_256_correct.vst"))
+                                                                QLatin1String("issue_256_correct.vst"))
                                << true
                                << V_EX_OK;
 
     QTest::newRow("Issue #256. Wrong standard measurements.")<< "issue_256.val"
                                << QString("--test;;-m;;%1").arg(tmp + QDir::separator() +
-                                                                QLatin1Literal("issue_256_wrong.vst"))
+                                                                QLatin1String("issue_256_wrong.vst"))
                                << false
                                << V_EX_NOINPUT;
 
@@ -254,7 +254,7 @@ void TST_ValentinaCommandLine::TestOpenCollection_data() const
     QTest::addColumn<int>("exitCode");
 
     const QString tmp = QApplication::applicationDirPath() + QDir::separator() + tmpTestCollectionFolder;
-    const QString testGOST = QString("--test;;-m;;%1").arg(tmp + QDir::separator() + QLatin1Literal("GOST_man_ru.vst"));
+    const QString testGOST = QString("--test;;-m;;%1").arg(tmp + QDir::separator() + QLatin1String("GOST_man_ru.vst"));
     const QString keyTest = QStringLiteral("--test");
 
     QTest::newRow("bra")               << "bra.val"               << keyTest  << true << V_EX_OK;

src/test/ValentinaTest/warnings.pri

@@ -0,0 +1,49 @@
+#Turn on compilers warnings.
+*-g++{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$GCC_DEBUG_CXXFLAGS # See common.pri for more details.
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+
+    noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
+        # do nothing
+    } else {
+        #gcc’s 4.8.0 Address Sanitizer
+        #http://blog.qt.digia.com/blog/2013/04/17/using-gccs-4-8-0-address-sanitizer-with-qt/
+        QMAKE_CXXFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
+        QMAKE_LFLAGS += -fsanitize=address
+    }
+}
+
+clang*{
+    QMAKE_CXXFLAGS += \
+        # Key -isystem disable checking errors in system headers.
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$CLANG_DEBUG_CXXFLAGS \ # See common.pri for more details.
+        -Wno-gnu-zero-variadic-macro-arguments\ # See macros QSKIP
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}
+
+*-icc-*{
+    QMAKE_CXXFLAGS += \
+        -isystem "$${OUT_PWD}/$${UI_DIR}" \
+        -isystem "$${OUT_PWD}/$${MOC_DIR}" \
+        -isystem "$${OUT_PWD}/$${RCC_DIR}" \
+        $$ICC_DEBUG_CXXFLAGS
+
+    checkWarnings{ # For enable run qmake with CONFIG+=checkWarnings
+        QMAKE_CXXFLAGS += -Werror
+    }
+}