--- ceph-15.1.0/src/common/bit_str.h.orig	2020-02-03 09:47:20.047149798 -0500
+++ ceph-15.1.0/src/common/bit_str.h	2020-02-03 09:47:50.213149798 -0500
@@ -17,6 +17,7 @@
 #include <cstdint>
 #include <iosfwd>
 #include <functional>
+#include <ostream>
 
 namespace ceph {
   class Formatter;
--- ceph-15.2.4/src/global/signal_handler.h.orig        2020-07-17 12:57:54.763628429 -0400
+++ ceph-15.2.4/src/global/signal_handler.h     2020-07-17 12:58:10.610628429 -0400
@@ -16,6 +16,8 @@
 #define CEPH_GLOBAL_SIGNAL_HANDLER_H

 #include <signal.h>
+#include <string>
+
 #include "acconfig.h"

 typedef void (*signal_handler_t)(int);