From: easyaspi314 (Devin) <easyaspi314@users.noreply.github.com>
Date: Mon, 13 Dec 2021 20:08:50 +0000 (-0500)
Subject: Fix XXH_HAS_C_ATTRIBUTE check
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0d205e5cf327e4b5d6946ca4a09ae65d2c4c194e;p=thirdparty%2Futil-linux.git

Fix XXH_HAS_C_ATTRIBUTE check
---

diff --git a/include/xxhash.h b/include/xxhash.h
index fbd1aab9a..c17521f99 100644
--- a/include/xxhash.h
+++ b/include/xxhash.h
@@ -631,14 +631,12 @@ introduced in CPP17 and C23.
 CPP17 : https://en.cppreference.com/w/cpp/language/attributes/fallthrough
 C23   : https://en.cppreference.com/w/c/language/attributes/fallthrough
 */
-#if XXH_HAS_C_ATTRIBUTE(x)
-# define XXH_FALLTHROUGH [[fallthrough]]
-#elif XXH_HAS_CPP_ATTRIBUTE(x)
+#if XXH_HAS_C_ATTRIBUTE(fallthrough) || XXH_HAS_CPP_ATTRIBUTE(fallthrough)
 # define XXH_FALLTHROUGH [[fallthrough]]
 #elif XXH_HAS_ATTRIBUTE(__fallthrough__)
-# define XXH_FALLTHROUGH __attribute__ ((fallthrough))
+# define XXH_FALLTHROUGH __attribute__ ((__fallthrough__))
 #else
-# define XXH_FALLTHROUGH
+# define XXH_FALLTHROUGH /* fallthrough */
 #endif
 
 /*!