http://bugs.gentoo.org/261604

--- test/OfficialSuite.cpp
+++ test/OfficialSuite.cpp
@@ -21,6 +21,7 @@
  * Sebastian Pipping, sping@xiph.org
  */
 
+#include <cstdio>
 #include "OfficialSuite.h"
 #include <xspf/XspfReaderCallback.h>
 using namespace Xspf;
--- test/ProjectOpus/ProjectOpusSuite.cpp
+++ test/ProjectOpus/ProjectOpusSuite.cpp
@@ -21,6 +21,7 @@
  * Sebastian Pipping, sping@xiph.org
  */
 
+#include <cstdio>
 #include "ProjectOpusSuite.h"
 #include <xspf/XspfReader.h>
 #include <xspf/XspfTrack.h>