K 10 svn:author V 2 ed K 8 svn:date V 27 2014-09-03T06:34:16.748186Z K 7 svn:log V 248 Partially revert r270964. Don't test for C++11 to define _Thread_local. In addition to Clang 3.3, it turns out that GCC 4.7 in Ports also does not support the _Thread_local keyword. Let's document this in a bit more detail. Reported by: antoine@ END