Scripts to upload and update the mac toolchain.

tools/clang/scripts/update.py

Index: tools/clang/scripts/update.py
diff --git a/tools/clang/scripts/update.py b/tools/clang/scripts/update.py
index 0e2028e3b44ff78f4cd40b591750c2803feba2d3..7d00762f2780bd226ecbc1727ef2b4469d98776d 100755
--- a/tools/clang/scripts/update.py
+++ b/tools/clang/scripts/update.py
@@ -336,6 +336,8 @@ def GetVSVersion():
   sys.path.append(os.path.join(CHROMIUM_DIR, 'build'))
   import vs_toolchain
   vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
+  import mac_toolchain
+  mac_toolchain.SetEnvironment()

[Nico, 2016/03/22 20:59:05]

I'm not sure cmake will pay attention to that env var (?)

I think you can revert the change to this file for now, we can consider changing
this later on. This code is only used on some clang trunk bots which currently
have Xcode, and only to build clang, not chromium.

[justincohen, 2016/03/23 17:12:44]

Reverted.

 
   # Use gyp to find the MSVS installation, either in depot_tools as per above,
   # or a system-wide installation otherwise.