COMP: Fix Qt4 build adding fallback implementation for qUtf8Printable() (#909)

Author: jcfr

Libs/Core/Testing/Cpp/CMakeLists.txt

@@ -35,7 +35,6 @@ set(KITTests_SRCS
   ctkLoggerTest1.cpp
   ctkModelTesterTest1.cpp
   ctkModelTesterTest2.cpp
-  ctkUtf8Test1.cpp
   ctkUtilsCopyDirRecursivelyTest1.cpp
   ctkUtilsQtHandleToStringTest1.cpp
   ctkUtilsTest.cpp
@@ -52,7 +51,11 @@ set(KITTests_SRCS
   ctkWorkflowTest2.cpp
   ctkWorkflowTest3.cpp
   )
-
+if(CTK_QT_VERSION VERSION_GREATER "4")
+  list(APPEND KITTests_SRCS
+    ctkUtf8Test1.cpp
+    )
+endif()
 if(HAVE_BFD)
   list(APPEND KITTests_SRCS
     ctkBinaryFileDescriptorTest1.cpp

Libs/Core/ctkCompatibility_p.h

@@ -0,0 +1,38 @@
+/*=========================================================================
+
+  Library:   CTK
+
+  Copyright (c) Kitware Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0.txt
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+=========================================================================*/
+
+#ifndef __ctkCompatibility_p_h
+#define __ctkCompatibility_p_h
+
+//
+// This file is not part of the CTK API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtGlobal>
+
+#if (QT_VERSION < QT_VERSION_CHECK(5, 4, 0))
+#define qUtf8Printable(string) QString(string).toUtf8().constData()
+#endif
+
+#endif

Libs/ctkExport.h.in

@@ -8,6 +8,7 @@
 #ifndef __@MY_EXPORT_HEADER_PREFIX@Export_h
 #define __@MY_EXPORT_HEADER_PREFIX@Export_h
 
+#include "ctkCompatibility_p.h"
 #include "ctkCompilerDetections_p.h"
 
 #include <QtGlobal>