Merge change I239e9f26 into donut

* changes:
  Bug in Mac build where it gets confused over case, fix no longer needed. (cherry picked from commit e44fadeb49aac9d762f089ee2f23e4a4907a822f)
tree: 5bb70bec6ccb812d37b3c18ef053931c4133dc53
  1. core/
  2. libs/
  3. target/
  4. tools/
  5. buildspec.mk.default
  6. cleanspec.mk
  7. envsetup.sh