Determine OGRE_DEP_DIR relative to OIS in case someone uses one of the alternate auto locations
Determine OGRE_DEP_DIR relative to OIS in case someone uses one of the alternate auto locations

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branch : v1-7

digimatic/ogre,digimatic/ogre,digimatic/ogre,digimatic/ogre,digimatic/ogre,digimatic/ogre,digimatic/ogre