2011-12-23 Ulrich Drepper <drepper@gmail.com>
+ * include/features.h: Define __USE_ISOCXX11 when compiling ISo C++11
+ code.
+
[BZ #13528]
* libio/stdio.h: Do not declare gets for ISO C11 and _GNU_SOURCE.
#undef __USE_ISOC11
#undef __USE_ISOC99
#undef __USE_ISOC95
+#undef __USE_ISOCXX11
#undef __USE_POSIX
#undef __USE_POSIX2
#undef __USE_POSIX199309
# define __USE_ISOC95 1
#endif
+/* This is to enable compatibility for ISO C++11.
+
+ So far g++ does not provide a macro. Check the temporary macro for
+ now, too. */
+#if ((defined __cplusplus && __cplusplus >= 201103L) \
+ || defined __GXX_EXPERIMENTAL_CXX0X__)
+# define __USE_ISOCXX11 1
+#endif
+
/* If none of the ANSI/POSIX macros are defined, use POSIX.1 and POSIX.2
(and IEEE Std 1003.1b-1993 unless _XOPEN_SOURCE is defined). */
#if ((!defined __STRICT_ANSI__ || (_XOPEN_SOURCE - 0) >= 500) && \