Mercurial > hg > ucx / file diff

--- a/src/cx/common.h	Mon Dec 22 00:20:01 2025 +0100
+++ b/src/cx/common.h	Mon Dec 22 00:20:41 2025 +0100
@@ -257,13 +257,22 @@
 
 
 // ---------------------------------------------------------------------------
-//       MSVC specifics
+//       Support for thread_local
 // ---------------------------------------------------------------------------
 
+#ifdef __cplusplus
+#define cx_thread_local thread_local
+#else // ! __cplusplus
 #ifdef _MSC_VER
-// fix missing _Thread_local support
-#define _Thread_local __declspec(thread)
+#define cx_thread_local __declspec(thread)
+#else // ! _MSC_VER
+#if __STDC_VERSION__ < 202300L
+#define cx_thread_local _Thread_local
+#else // C23 or newer
+#define cx_thread_local thread_local
+#endif // C23
 #endif // _MSC_VER
+#endif // __cplusplus
 
 // ---------------------------------------------------------------------------
 //       Exported and inlined functions