diff --git a/qtcompat_p.h b/qtcompat_p.h
new file mode 100644
index 0000000000..12024b2249
--- /dev/null
+++ b/qtcompat_p.h
@@ -0,0 +1,64 @@
+/*
+    Copyright (c) 2017 Kevin Funk <kfunk@.kde.org
+
+    This library is free software; you can redistribute it and/or modify it
+    under the terms of the GNU Library General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    This library is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
+    License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to the
+    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+    02110-1301, USA.
+*/
+
+#ifndef KDEVELOP_QTCOMPAT_P_H
+#define KDEVELOP_QTCOMPAT_P_H
+
+#include <qglobal.h>
+
+#if QT_VERSION < QT_VERSION_CHECK(5,7,0)
+namespace QtPrivate
+{
+template <typename T> struct QAddConst {
+    typedef const T Type;
+};
+}
+
+// this adds const to non-const objects (like std::as_const)
+template <typename T>
+Q_DECL_CONSTEXPR typename QtPrivate::QAddConst<T>::Type &qAsConst(T &t) Q_DECL_NOTHROW { return t; }
+// prevent rvalue arguments:
+template <typename T>
+void qAsConst(const T &&) Q_DECL_EQ_DELETE;
+#endif
+
+#endif
+
+// compat for Q_FALLTHROUGH
+#if QT_VERSION < QT_VERSION_CHECK(5,8,0)
+
+#if defined(__has_cpp_attribute)
+#    if __has_cpp_attribute(fallthrough)
+#        define Q_FALLTHROUGH() [[fallthrough]]
+#    elif __has_cpp_attribute(clang::fallthrough)
+#        define Q_FALLTHROUGH() [[clang::fallthrough]]
+#    elif __has_cpp_attribute(gnu::fallthrough)
+#        define Q_FALLTHROUGH() [[gnu::fallthrough]]
+#    endif
+#endif
+
+#ifndef Q_FALLTHROUGH
+#    if defined(__GNUC__) && !defined(__INTEL_COMPILER) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 700)
+#        define Q_FALLTHROUGH() __attribute__((fallthrough))
+#    else
+#        define Q_FALLTHROUGH() (void)0
+#    endif
+#endif
+
+#endif