Adding suffix ".c" Adding suffix ".d" defining transformation from `.c' to `.d' inserting ".c" (1) at end of list inserting ".d" (2) at end of list Adding suffix ".e" defining transformation from `.d' to `.e' inserting ".d" (2) at end of list inserting ".e" (3) at end of list Adding suffix ".f" defining transformation from `.e' to `' inserting ".e" (3) at end of list inserting "" (0) at end of list defining transformation from `.e' to `.f' inserting ".e" (3) at end of list inserting ".f" (4) at end of list defining transformation from `.f' to `.e' inserting ".f" (4) at end of list inserting ".e" (3) at end of list transformation .e complete transformation .e.f complete transformation .f.e complete Wildcard expanding "all"... SuffFindDeps "all" No known suffix on all. Using .NULL suffix adding suffix rules trying all.e...not there trying all.d...not there trying all.f...not there trying all.c...not there trying all.e...not there FindThem: skipping duplicate "all.e" Wildcard expanding "issue6.f"...suffix is ".f"... SuffFindDeps "issue6.f" trying issue6.e...not there trying issue6.d...not there trying issue6.f...got it applying .f -> .e to "issue6.e" applying .e -> .f to "issue6.f" suffix is ".e"... make: Graph cycles through issue6.f `all' not remade because of errors. Stop. make: stopped making "all" in unit-tests exit status 1