1 files changed, 48 insertions, 1 deletions
diff --git a/src/corelib/tools/qstring_compat.cpp b/src/corelib/tools/qstring_compat.cpp
index c776092569..d4f21e483a 100644
--- a/src/corelib/tools/qstring_compat.cpp
+++ b/src/corelib/tools/qstring_compat.cpp
@@ -31,16 +31,42 @@
 **
 ****************************************************************************/
 
-#if defined(QSTRING_H)
+#if defined(QSTRING_H) || defined(QBYTEARRAY_H)
 #  error "This file cannot be compiled with pre-compiled headers"
 #endif
 #define QT_COMPILING_QSTRING_COMPAT_CPP
 
+#include "qbytearray.h"
 #include "qstring.h"
 
 QT_BEGIN_NAMESPACE
 
 // all these implementations must be the same as the inline versions in qstring.h
+QString QString::trimmed() const
+{
+    return trimmed_helper(*this);
+}
+
+QString QString::simplified() const
+{
+    return simplified_helper(*this);
+}
+
+QString QString::toLower() const
+{
+    return toLower_helper(*this);
+}
+
+QString QString::toCaseFolded() const
+{
+    return toCaseFolded_helper(*this);
+}
+
+QString QString::toUpper() const
+{
+    return toUpper_helper(*this);
+}
+
 QByteArray QString::toLatin1() const
 {
     return toLatin1_helper(*this);
@@ -56,4 +82,25 @@ QByteArray QString::toUtf8() const
     return toUtf8_helper(*this);
 }
 
+// ditto, for qbytearray.h (because we're lazy)
+QByteArray QByteArray::toLower() const
+{
+    return toLower_helper(*this);
+}
+
+QByteArray QByteArray::toUpper() const
+{
+    return toUpper_helper(*this);
+}
+
+QByteArray QByteArray::trimmed() const
+{
+    return trimmed_helper(*this);
+}
+
+QByteArray QByteArray::simplified() const
+{
+    return simplified_helper(*this);
+}
+
 QT_END_NAMESPACE