From: Yann Collet <cyan@fb.com>
Date: Wed, 5 Feb 2025 21:48:24 +0000 (-0800)
Subject: added __clang__ to compiler-specific alignment attribute
X-Git-Tag: v1.5.7^2~11^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54e9d46db44c4832d031100800f54a397358f896;p=thirdparty%2Fzstd.git

added __clang__ to compiler-specific alignment attribute

when clang is used within msvc, `__GNUC__` isn't defined,
so testing `__clang__` explicitly is required.
---

diff --git a/lib/common/compiler.h b/lib/common/compiler.h
index 66792463b..1f7da50e6 100644
--- a/lib/common/compiler.h
+++ b/lib/common/compiler.h
@@ -302,7 +302,7 @@ MEM_STATIC int ZSTD_isPower2(size_t u) {
 
 #ifndef ZSTD_ALIGNED
 /* C90-compatible alignment macro (GCC/Clang). Adjust for other compilers if needed. */
-# if defined(__GNUC__)
+# if defined(__GNUC__) || defined(__clang__)
 #  define ZSTD_ALIGNED(a) __attribute__((aligned(a)))
 # elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) /* C11 */
 #  define ZSTD_ALIGNED(a) _Alignas(a)