thread_local requires at least xcode8
I don't know if I have the right to modify this file...
@@ -5,7 +5,7 @@ jobs:
include:
- if: (fork IN (true)) OR (type IN (pull_request))
os: osx
- osx_image: xcode6.4
+ osx_image: xcode8
- if: (fork IN (false)) AND (NOT (type IN (pull_request)))
os: linux
