--- a/backends/flint/flint_version.cc
+++ b/backends/flint/flint_version.cc
@@ -20,6 +20,7 @@
  */
 
 #include <config.h>
+#include <stdio.h>
 
 #include "safeerrno.h"
 
--- a/bin/xapian-progsrv.cc
+++ b/bin/xapian-progsrv.cc
@@ -19,6 +19,7 @@
  */
 
 #include <config.h>
+#include <stdio.h>
 
 #include "remoteserver.h"
 
--- a/bin/xapian-tcpsrv.cc
+++ b/bin/xapian-tcpsrv.cc
@@ -21,6 +21,7 @@
  */
 
 #include <config.h>
+#include <stdio.h>
 
 #include <cstdlib>
 
--- a/examples/delve.cc
+++ b/examples/delve.cc
@@ -21,6 +21,7 @@
  */
 
 #include <config.h>
+#include <stdio.h>
 
 #include <xapian.h>
 
--- a/examples/quest.cc
+++ b/examples/quest.cc
@@ -19,6 +19,7 @@
  */
 
 #include <config.h>
+#include <stdio.h>
 
 #include <xapian.h>