Allow configure script to bootstrap out of source.
Allow configure script to bootstrap out of source.

(cherry picked from commit 1beea932bc1dcf5a4684cc948c8eae6957ee119f)
Change-Id: I8479a3951d800590cef6a084805288bcd1dcbb79

mydongistiny/ninja,mydongistiny/ninja,mydongistiny/ninja,mydongistiny/ninja