From e1c568025b6cefa99aea1bff1e87e5cd0ab1b1f2 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Mon, 22 Jul 2024 12:12:53 -0400
Subject: sysheaders: cdefs: Add __BEGIN_DECLS/__END_DECLS

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/sys/cdefs.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sys/include/sys/cdefs.h b/sys/include/sys/cdefs.h
index 32d7786..e5d5531 100644
--- a/sys/include/sys/cdefs.h
+++ b/sys/include/sys/cdefs.h
@@ -40,6 +40,14 @@
 #define __unlikely(exp) __builtin_expect(((exp) != 0), 0)
 #define __static_assert _Static_assert
 
+#if defined(__cplusplus)
+#define __BEGIN_DECLS   extern "C" {
+#define __END_DECLS     }
+#else
+#define __BEGIN_DECLS
+#define __END_DECLS
+#endif
+
 #if defined(_KERNEL)
 /*
  *  Align data on a cache line boundary. This is
-- 
cgit v1.2.3