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-rw-r--r--src/history.cc6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/history.cc b/src/history.cc
index dbcdc823..d5eb727c 100644
--- a/src/history.cc
+++ b/src/history.cc
@@ -39,7 +39,11 @@
#include "history.h"
template <typename T>
-struct f_max : public std::binary_function<T, T, bool> {
+struct f_max
+#if __cplusplus < 201103L
+: public std::binary_function<T, T, bool>
+#endif
+{
T operator()(const T& x, const T& y) const {
return std::max(x, y);
}