realm/realm-cocoa — pull request #712 by tgoyne (2014-07-30 15:35:36+00:00)
Title: Don't download the core when a local build is present

There's no particularly pleasant way to set REALM_CORE_VERSION when
building from Xcode, so try to automatically detect that the copy of the
core was built locally and leave it alone if so.

@alazier @emanuelez @jpsim