--- ./third_party/heimdal/lib/base/heimbase-atomics.h_orig	2024-12-02 03:57:16.585375626 -0500
+++ ./third_party/heimdal/lib/base/heimbase-atomics.h	2024-12-02 03:58:13.173784463 -0500
@@ -155,6 +155,8 @@
 
 #define heim_base_atomic_barrier()	__isync()
 
+#define heim_base_atomic(T)             volatile T
+
 #define heim_base_atomic_inc_32(x)	(fetch_and_add((atomic_p)(x),  1) + 1)
 #define heim_base_atomic_dec_32(x)	(fetch_and_add((atomic_p)(x), -1) - 1)
 #define heim_base_atomic_inc_64(x)	(fetch_and_addlp((atomic_l)(x),  1) + 1)