diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1b7dabb6aad..15904da82cb 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2019-08-14  Tom Tromey  <tromey@adacore.com>
+
+	* darwin-nat.c: Include gdbarch.h.
+	* darwin-nat-info.c: Include gdbarch.h.
+
 2019-08-13  Tom Tromey  <tom@tromey.com>
 
 	* tui/tui-data.h (struct tui_gen_win_info) <last_visible_line>:
diff --git a/gdb/darwin-nat-info.c b/gdb/darwin-nat-info.c
index 103ac2a9773..4469cd52136 100644
--- a/gdb/darwin-nat-info.c
+++ b/gdb/darwin-nat-info.c
@@ -34,6 +34,7 @@
 #include "value.h"
 #include "gdbcmd.h"
 #include "inferior.h"
+#include "gdbarch.h"
 
 #include <sys/sysctl.h>
 
diff --git a/gdb/darwin-nat.c b/gdb/darwin-nat.c
index f890e13944c..8f71def069d 100644
--- a/gdb/darwin-nat.c
+++ b/gdb/darwin-nat.c
@@ -37,6 +37,7 @@
 #include "arch-utils.h"
 #include "bfd.h"
 #include "bfd/mach-o.h"
+#include "gdbarch.h"
 
 #include <copyfile.h>
 #include <sys/ptrace.h>