From 46003d8e74324fba9b9871a8f1ed6c08ccdf74cf Mon Sep 17 00:00:00 2001
From: Yann Collet <cyan@fb.com>
Date: Wed, 29 Jan 2025 09:56:38 -0800
Subject: [PATCH] update version to employ XXH_NO_EXTERNC_GUARD

---
 lib/common/xxhash.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/common/xxhash.h b/lib/common/xxhash.h
index 2ef260444..210f04128 100644
--- a/lib/common/xxhash.h
+++ b/lib/common/xxhash.h
@@ -23,6 +23,7 @@
 #define XXH_memcpy ZSTD_memcpy
 #define XXH_memset ZSTD_memset
 
+
 /*!
  * @mainpage xxHash
  *
@@ -231,7 +232,7 @@
  * xxHash prototypes and implementation
  */
 
-#if defined (__cplusplus)
+#if defined(__cplusplus) && !defined(XXH_NO_EXTERNC_GUARD)
 extern "C" {
 #endif
 
@@ -7328,6 +7329,6 @@ XXH3_generateSecret_fromSeed(XXH_NOESCAPE void* secretBuffer, XXH64_hash_t seed)
 #endif  /* XXH_IMPLEMENTATION */
 
 
-#if defined (__cplusplus)
+#if defined (__cplusplus) && !defined(XXH_NO_EXTERNC_GUARD)
 } /* extern "C" */
 #endif
-- 
2.47.2