$OpenBSD$
Index: test/TestPfsRotate.cpp
--- test/TestPfsRotate.cpp.orig
+++ test/TestPfsRotate.cpp
@@ -24,7 +24,7 @@
 #if GTEST_HAS_COMBINE
 
 #include <algorithm>
-#include <tuple>
+#include <boost/tuple/tuple.hpp>
 
 #include <Libpfs/array2d.h>
 #include <Libpfs/manip/rotate.h>
