From dc9ecf3a7110639c6576b056d4922c8706ed0de5 Mon Sep 17 00:00:00 2001
From: Refael Ackermann <refack@gmail.com>
Date: Tue, 27 Jun 2017 10:46:26 -0400
Subject: [PATCH] fix regression from VS2017 detection

---
 src/engine/guess_toolset.bat | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/engine/guess_toolset.bat b/src/engine/guess_toolset.bat
index 419cffd16..76c8c8e5e 100644
--- a/src/engine/guess_toolset.bat
+++ b/src/engine/guess_toolset.bat
@@ -35,6 +35,7 @@ if NOT "_%VS150COMNTOOLS%_" == "__" (
     goto :eof)
 
 :skip_vswhere
+call :Clear_Error
 if EXIST "%VS_ProgramFiles%\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat"  (
     set "BOOST_JAM_TOOLSET=vc141"
     set "BOOST_JAM_TOOLSET_ROOT=%VS_ProgramFiles%\Microsoft Visual Studio\2017\Enterprise\VC\"