settings: join current root with os.pardir
settings: join current root with os.pardir

Former-commit-id: 95142111d8bfcfd098636ca82c303c906ee522f6
Former-commit-id: 9c1ddf87d3d23b7d979826617e0a29efc58332d7 [formerly 1c1a313d957969b26fdb1624277eec29cd4c9244] [formerly 6dbbe919d151ca4b1058ce232c9c0548e7399e5b [formerly 1da6224ef69eca9f35349d671ee8c6953d65e9a3]]
Former-commit-id: 0e897009585a02209c7d6acc99d76a68b0db3717 [formerly 7fc60c1e2fd5a7447851ffd90e81ef5d2bdddb03]
Former-commit-id: 4b6ff7f382f92ad063e79e1b372c178303e25202
PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild