# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1766359241 -3600
# Node ID aa8621b58cd7caa0605daa6de90506f61dc77803
# Parent  fef6bc928c87d6d7a027c516bab4837b04b2f0f3
define own cx_thread_local macro that is compatible to C11/C17, C23, and MSVC

diff -r fef6bc928c87 -r aa8621b58cd7 src/array_list.c
--- a/src/array_list.c	Mon Dec 22 00:20:01 2025 +0100
+++ b/src/array_list.c	Mon Dec 22 00:20:41 2025 +0100
@@ -356,8 +356,8 @@
 }
 
 #ifndef WITH_QSORT_R
-static _Thread_local cx_compare_func2 cx_array_fn_for_qsort;
-static _Thread_local void *cx_array_context_for_qsort;
+static cx_thread_local cx_compare_func2 cx_array_fn_for_qsort;
+static cx_thread_local void *cx_array_context_for_qsort;
 static int cx_array_qsort_wrapper(const void *l, const void *r) {
     return cx_array_fn_for_qsort(l, r, cx_array_context_for_qsort);
 }
diff -r fef6bc928c87 -r aa8621b58cd7 src/cx/common.h
--- 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