adapt to older boost on travis

2018-12-28 19:14:00 +01:00 · 2018-12-28 19:14:00 +01:00 · 30b9a78059
parent 6790f50612
commit 30b9a78059
1 changed files with 5 additions and 0 deletions
--- a/lmdb-safe.hh
+++ b/lmdb-safe.hh
@ -11,9 +11,14 @@
 #include <mutex>

 #if __cplusplus < 201703L
+#if BOOST_VERSION > 105400
 #include <boost/utility/string_view.hpp>
 using boost::string_view;
 #else
+#include <boost/utility/string_ref.hpp>
+using string_view = boost::string_ref;
+#endif
+#else // C++17
 using std::string_view;
 #endif