I have now tried with both db-5.1.19.tar.gz and db-5.2.28.tar.gz just to see if 5.1.19 was a too old version of the library. It doesn't seem to make any difference -- the compiler error is the exact same.

Could anyone please list all the dependencies of bitcoin? Or is that stated somewhere in the documentation, have I managed to overlook it? It would be a great help to know exactly what the dependencies/requirements of bitcoin are in order for me to make it work. Am I really the only one that has this problem?