Making the in-source build detection more robust.
Making the in-source build detection more robust.

sg0/Elemental,justusc/Elemental,justusc/Elemental,justusc/Elemental,birm/Elemental,ahmadia/elemental,ahmadia/elemental,sg0/Elemental,mcopik/Elemental,justusc/Elemental,mcopik/Elemental,mcopik/Elemental,sg0/Elemental,mcopik/Elemental,justusc/Elemental,birm/Elemental,mcopik/Elemental,birm/Elemental,justusc/Elemental,mcopik/Elemental,birm/Elemental,sg0/Elemental,ahmadia/elemental,sg0/Elemental,birm/Elemental,birm/Elemental,sg0/Elemental,ahmadia/elemental