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Date: Wed, 3 May 2023 11:44:11 +0200
From: Jens Gustedt <Jens.Gustedt@...ia.fr>
To: musl@...ts.openwall.com
Subject: [C23 feature tests 1/6] C23: provide fallbacks for the use of C
attributes
---
include/features.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/features.h b/include/features.h
index 85cfb72a..8e1d84e3 100644
--- a/include/features.h
+++ b/include/features.h
@@ -35,6 +35,26 @@
#define _Noreturn
#endif
+#ifdef __has_c_attribute
+# if __has_c_attribute(__noreturn__)
+# define __noreturn [[__noreturn__]]
+# endif
+# if __has_c_attribute(__deprecated__)
+# define __deprecated [[__deprecated__]]
+# endif
+#endif
+
+#ifndef __noreturn
+# define __noreturn _Noreturn
+#endif
+#ifndef __deprecated
+# if defined(__GNUC__)
+# define __deprecated __attribute__((__deprecated__))
+# else
+# define __deprecated
+# endif
+#endif
+
#define __REDIR(x,y) __typeof__(x) x __asm__(#y)
#endif
--
2.34.1
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