* Szabolcs Nagy <nsz@port70.net> [2014-02-08 03:49:22 +0100]:
> attached second try (fixes install, dirs, symlink)
> 
> for in-tree builds it creates spurious '.mark' files
> otherwise the same make should work in-tree and out-of-tree

third try, with configure changes and some simplifications

(configure detects out-of-tree build and copies the Makefile,
there is an ifndef block in the Makefile to add extra rules
for directory creation)