diff --git a/gui/gui.pro b/gui/gui.pro
index 5661d5ac5..9d71636b4 100644
--- a/gui/gui.pro
+++ b/gui/gui.pro
@@ -159,7 +159,7 @@ win32 {
 }
 
 contains(QMAKE_CC, gcc) {
-    QMAKE_CXXFLAGS += -std=c++0x
+    QMAKE_CXXFLAGS += -std=c++0x -Wno-missing-field-initializers -Wno-missing-braces -Wno-sign-compare
 }
 
 macx {
diff --git a/gui/mainwindow.cpp b/gui/mainwindow.cpp
index 6838921b9..dd7a6f42b 100644
--- a/gui/mainwindow.cpp
+++ b/gui/mainwindow.cpp
@@ -613,6 +613,12 @@ bool MainWindow::TryLoadLibrary(Library *library, QString filename)
         case Library::ErrorCode::PLATFORM_TYPE_REDEFINED:
             errmsg = tr("Platform type redefined");
             break;
+        case Library::ErrorCode::UNKNOWN_ELEMENT:
+            errmsg = tr("Unknown element");
+            break;
+        default:
+            errmsg = tr("Unknown issue");
+            break;
         }
         if (!error.reason.empty())
             errmsg += " '" + QString::fromStdString(error.reason) + "'";
diff --git a/gui/translationhandler.cpp b/gui/translationhandler.cpp
index b7c4bd539..24ee5ec10 100644
--- a/gui/translationhandler.cpp
+++ b/gui/translationhandler.cpp
@@ -25,19 +25,21 @@
 #include <QFileInfo>
 #include "translationhandler.h"
 
+
+static void unused() __attribute__ ((unused));
 // Provide own translations for standard buttons. This (garbage) code is needed to enforce them to appear in .ts files even after "lupdate gui.pro"
 static void unused()
 {
     // Qt4
-    QT_TRANSLATE_NOOP("QDialogButtonBox", "OK");
-    QT_TRANSLATE_NOOP("QDialogButtonBox", "Cancel");
-    QT_TRANSLATE_NOOP("QDialogButtonBox", "Close");
-    QT_TRANSLATE_NOOP("QDialogButtonBox", "Save");
+    Q_UNUSED(QT_TRANSLATE_NOOP("QDialogButtonBox", "OK"));
+    Q_UNUSED(QT_TRANSLATE_NOOP("QDialogButtonBox", "Cancel"));
+    Q_UNUSED(QT_TRANSLATE_NOOP("QDialogButtonBox", "Close"));
+    Q_UNUSED(QT_TRANSLATE_NOOP("QDialogButtonBox", "Save"));
     // Qt5
-    QT_TRANSLATE_NOOP("QPlatformTheme", "OK");
-    QT_TRANSLATE_NOOP("QPlatformTheme", "Cancel");
-    QT_TRANSLATE_NOOP("QPlatformTheme", "Close");
-    QT_TRANSLATE_NOOP("QPlatformTheme", "Save");
+    Q_UNUSED(QT_TRANSLATE_NOOP("QPlatformTheme", "OK"));
+    Q_UNUSED(QT_TRANSLATE_NOOP("QPlatformTheme", "Cancel"));
+    Q_UNUSED(QT_TRANSLATE_NOOP("QPlatformTheme", "Close"));
+    Q_UNUSED(QT_TRANSLATE_NOOP("QPlatformTheme", "Save"));
 }
 
 TranslationHandler::TranslationHandler(QObject *parent) :
diff --git a/gui/translationhandler.h b/gui/translationhandler.h
index b2f41e3c0..367ec9882 100644
--- a/gui/translationhandler.h
+++ b/gui/translationhandler.h
@@ -23,7 +23,9 @@
 #include <QTranslator>
 #include <QObject>
 #include <QList>
-
+#ifndef __GNUC__
+#define __attribute__(A)
+#endif
 /// @addtogroup GUI
 /// @{
 
diff --git a/lib/config.h b/lib/config.h
index c30782c9e..05d5dab75 100644
--- a/lib/config.h
+++ b/lib/config.h
@@ -19,6 +19,9 @@
 #  include <crtdbg.h>
 #endif
 
+#ifndef __GNUC__
+#define __attribute__(A)
+#endif
 #include <string>
 static const std::string emptyString;