From 2d3c25cd8588d86c3c3c84a5ad81f75c9ac67f1d Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <patrick.pelissier@gmail.com>
Date: Mon, 13 Mar 2023 23:45:28 +0100
Subject: [PATCH] TCC doesn't support the __thread attribute, which is a GCC
 extension. Use this extension only for GCC.

---
 m-thread.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/m-thread.h b/m-thread.h
index 1e0b2bdb..34237641 100644
--- a/m-thread.h
+++ b/m-thread.h
@@ -480,7 +480,11 @@ static inline void m_once_call(m_once_t o, void (*func)(void))
   pthread_once(o,func);
 }
 
-#define M_THREAD_ATTR __thread
+#ifdef defined(__GNUC__)
+# define M_THREAD_ATTR __thread
+#else
+# define M_THREAD_ATTR  /* Not supported */
+#endif
 
 M_END_PROTECTED_CODE