From 9bcc4e046cf787bf8949c5d9433273710a4442f8 Mon Sep 17 00:00:00 2001
From: Ben Vanik <ben.vanik@gmail.com>
Date: Sun, 19 Jul 2015 09:44:44 -0700
Subject: [PATCH] Fixing bootstrap from non-VS command prompts.

---
 build_tools | 2 +-
 xb.bat      | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/build_tools b/build_tools
index b5ff34023..27df20c41 160000
--- a/build_tools
+++ b/build_tools
@@ -1 +1 @@
-Subproject commit b5ff34023b95625a9a7c9729bbf8ff1f0e9aab38
+Subproject commit 27df20c41e9525db6f67e57cb4161bdc8e82c117
diff --git a/xb.bat b/xb.bat
index 7b9120048..5b8005819 100644
--- a/xb.bat
+++ b/xb.bat
@@ -40,6 +40,7 @@ IF %_RESULT% NEQ 0 (
   ECHO this script again.
   GOTO :exit_error
 )
+CALL %VS14_VCVARSALL% amd64
 
 SET CLANG_FORMAT=""
 SET LLVM_CLANG_FORMAT="C:\Program Files (x86)\LLVM\bin\clang-format.exe"