--- lidia-core/use-rdkit.hh.old	2017-06-15 20:46:21.245950862 +0200
+++ lidia-core/use-rdkit.hh	2017-06-15 20:46:28.492679795 +0200
@@ -5,6 +5,7 @@
 #include <vector>
 #include <algorithm>
 #include <string>
+#include <queue>

 #ifndef WINDOWS_MINGW
 #define ENABLE_NLS // fixes dcgettext() header problems on including