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authorUlrich Drepper <drepper@gmail.com>2011-12-23 23:20:07 -0500
committerUlrich Drepper <drepper@gmail.com>2012-01-01 07:17:20 -0500
commit8fd8ff3bd8234593a694be045460e471d295a6af (patch)
tree3adf6dcac110a640bad6c591a95a9b25c65c334b /include
parent03a718297d64e68efb36069b0cc14c1039f32d89 (diff)
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Add __USE_ISOCXX11
Diffstat (limited to 'include')
-rw-r--r--include/features.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/features.h b/include/features.h
index b02ff75..173afc1 100644
--- a/include/features.h
+++ b/include/features.h
@@ -100,6 +100,7 @@
#undef __USE_ISOC11
#undef __USE_ISOC99
#undef __USE_ISOC95
+#undef __USE_ISOCXX11
#undef __USE_POSIX
#undef __USE_POSIX2
#undef __USE_POSIX199309
@@ -206,6 +207,15 @@
# 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) && \