Added exception handling detection, disabled thread support for platforms where we can actually detect whether it is on or not.

[SVN r18234]

libs/config

@@ -1 +1 @@
-Subproject commit 878a7543d7807bd0c521e130db0588dc067b238f
+Subproject commit b22c9ced688932e411044834c1b9d596cd786887