Specify the SDK version when running vcvarsall.bat

build/toolchain/win/setup_toolchain.py

Index: build/toolchain/win/setup_toolchain.py
diff --git a/build/toolchain/win/setup_toolchain.py b/build/toolchain/win/setup_toolchain.py
index e0fcb2738c6612d6f817f9612148031a499aef21..e8b08495745ce021da2c2e4533b78ead7270db22 100644
--- a/build/toolchain/win/setup_toolchain.py
+++ b/build/toolchain/win/setup_toolchain.py
@@ -139,7 +139,10 @@ def _LoadToolchainEnv(cpu, sdk_dir):
         raise Exception('%s is missing - make sure VC++ tools are installed.' %
                         script_path)
       script_path = other_path
-    args = [script_path, 'amd64_x86' if cpu == 'x86' else 'amd64']
+    # Chromium requires the 10.0.14393.0 SDK. Previous versions don't have all
+    # of the required declarations, and 10.0.15063.0 is buggy.
+    args = [script_path, 'amd64_x86' if cpu == 'x86' else 'amd64',
+            '10.0.14393.0']
     variables = _LoadEnvFromBat(args)

[scottmg, 2017/04/11 21:23:19]

I don't think this works on VS2015, there was no SDK arg then?

[brucedawson, 2017/04/11 21:40:59]

I tested it on VS 2015. It works fine. It also works on 2017, although I did not
test that as extensively.

What VS 2013 branches? I don't see any references to 2013, or 12.0 or 14.0.

   return _ExtractImportantEnvironment(variables)