From 4207a1b60da36fd2d06ca7431fa3d2beffb0b158 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lars=20G=C3=B6ttgens?= <lars.goettgens@rwth-aachen.de>
Date: Thu, 24 Oct 2024 16:14:25 +0200
Subject: [PATCH] Add include

---
 src/weakptr.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/weakptr.c b/src/weakptr.c
index 0ed21ce3c4..c277eeee05 100644
--- a/src/weakptr.c
+++ b/src/weakptr.c
@@ -40,6 +40,13 @@
 #ifdef USE_JULIA_GC
 #include "julia.h"
 #include "julia_gc.h"
+#include <julia_threads.h>    // for jl_get_ptls_states
+
+#if JULIA_VERSION_MAJOR == 1 && JULIA_VERSION_MINOR == 7
+// workaround issue with Julia 1.7 headers which "forgot" to export this
+// function
+JL_DLLEXPORT void * jl_get_ptls_states(void);
+#endif
 #endif
 
 #define RequireWPObj(funcname, op)                                           \