Author: ed Date: Wed Sep 3 06:34:16 2014 New Revision: 270994 URL: http://svnweb.freebsd.org/changeset/base/270994
Log: 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@ Modified: head/sys/sys/cdefs.h Modified: head/sys/sys/cdefs.h ============================================================================== --- head/sys/sys/cdefs.h Wed Sep 3 06:25:34 2014 (r270993) +++ head/sys/sys/cdefs.h Wed Sep 3 06:34:16 2014 (r270994) @@ -298,7 +298,12 @@ #endif #if !__has_extension(c_thread_local) -#if (defined(__cplusplus) && __cplusplus >= 201103L) || \ +/* + * XXX: Some compilers (Clang 3.3, GCC 4.7) falsely announce C++11 mode + * without actually supporting the thread_local keyword. Don't check for + * the presence of C++11 when defining _Thread_local. + */ +#if /* (defined(__cplusplus) && __cplusplus >= 201103L) || */ \ __has_extension(cxx_thread_local) #define _Thread_local thread_local #else _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"