diff --git a/gcc/gcc/config/host-darwin.c b/gcc/gcc/config/host-darwin.c
index b621e7c48d..59cfb8f8ae 100644
--- a/gcc/gcc/config/host-darwin.c
+++ b/gcc/gcc/config/host-darwin.c
@@ -22,6 +22,8 @@
 #include "coretypes.h"
 #include "diagnostic-core.h"
 #include "config/host-darwin.h"
+#include "hosthooks.h"
+#include "hosthooks-def.h"
 
 /* Yes, this is really supposed to work.  */
 /* This allows for a pagesize of 16384, which we have on Darwin20, but should