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-rw-r--r--newlib/libc/include/_ansi.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/newlib/libc/include/_ansi.h b/newlib/libc/include/_ansi.h
index 8bebd1457..6c7beb3cd 100644
--- a/newlib/libc/include/_ansi.h
+++ b/newlib/libc/include/_ansi.h
@@ -74,4 +74,21 @@
#define _ATTRIBUTE(attrs)
#endif
+/* ISO C++. */
+
+#ifdef __cplusplus
+#if !(defined(_BEGIN_STD_C) && defined(_END_STD_C))
+#ifdef _HAVE_STD_CXX
+#define _BEGIN_STD_C namespace std { extern "C" {
+#define _END_STD_C } }
+#else
+#define _BEGIN_STD_C extern "C" {
+#define _END_STD_C }
+#endif
+#endif
+#else
+#define _BEGIN_STD_C
+#define _END_STD_C
+#endif
+
#endif /* _ANSIDECL_H_ */