--- lisp-kernel/gc-common.c.orig 2020-04-19 21:32:56 UTC
+++ lisp-kernel/gc-common.c
@@ -24,6 +24,9 @@
#include <stdlib.h>
#include <string.h>
+LispObj *GCrelocptr, *global_reloctab;
+LispObj GCfirstunmarked;
+
#ifndef WINDOWS
#include <sys/time.h>
#endif