--- ./src/debug.c.orig	2017-12-12 12:01:14 +0100
+++ ./src/debug.c	2018-12-05 15:11:17 +0100
@@ -70,7 +70,7 @@
 
 #ifdef HAVE_TLS
 #define FRAME_NR
-static __thread int frame_nr = 0;
+static __thread int frame_nr  __attribute__((tls_model("local-dynamic"))) = 0;
 #endif
 
 void