Fix build with Clang on Windows

Clemoot · serge-sans-paille · commit e2a4395f8b27 · 2025-07-26T15:31:51.000Z
diff --git a/include/xsimd/config/xsimd_inline.hpp b/include/xsimd/config/xsimd_inline.hpp
@@ -12,8 +12,10 @@
 #ifndef XSIMD_INLINE_HPP
 #define XSIMD_INLINE_HPP
 
-#if defined(__GNUC__)
+#if defined __has_attribute
+#if __has_attribute(always_inline)
 #define XSIMD_INLINE inline __attribute__((always_inline))
+#endif
 #elif defined(_MSC_VER)
 #define XSIMD_INLINE inline __forceinline
 #else
