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-rw-r--r--dist/changes-5.2.019
1 files changed, 19 insertions, 0 deletions
diff --git a/dist/changes-5.2.0 b/dist/changes-5.2.0
index 659bb21370..4dd1604fcc 100644
--- a/dist/changes-5.2.0
+++ b/dist/changes-5.2.0
@@ -57,6 +57,25 @@ information about a particular change.
3rd party build systems not based on qmake or cmake.
****************************************************************************
+* Platform deprecation notice *
+****************************************************************************
+
+ - The support for the old implementation of QAtomicInt and
+ QAtomicPointer is deprecated in Qt 5.2 and will be removed in Qt
+ 5.3. Building with the following compilers or environments will not
+ be possible in Qt 5.3 or the build will suffer greatly in
+ performance, unless support is revived by writing new atomics code.
+ * Green Hills compiler for INTEGRITY
+ * Sun Studio compiler suite for Solaris
+ * IBM Visual Age compiler suite for AIX
+ * Kernel-mode VxWorks
+
+ Developers interested in picking up support should contact the
+ development mailing list at development@qt-project.org for more
+ information. Note that those platforms are currently not tested. Most
+ likely, they have further problems than just the atomics code.
+
+****************************************************************************
* Library *
****************************************************************************