From a1c402910c2010c0ec91d6325b4119ce0fe8379b Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Fri, 8 Apr 2016 08:46:31 -0400
Subject: [PATCH] GetPrerequisites: Look for VS tools using environment
 variables

The `VS*COMNTOOLS` environment variables specify locations of VS tools
and are set during the VS installation.  Use them in addition to the
hard-coded default install locations.
---
 Modules/GetPrerequisites.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Modules/GetPrerequisites.cmake b/Modules/GetPrerequisites.cmake
index f32e289aa..dd294f48a 100644
--- a/Modules/GetPrerequisites.cmake
+++ b/Modules/GetPrerequisites.cmake
@@ -663,14 +663,21 @@ function(get_prerequisites target prerequisites_var exclude_system recurse exepa
   endif()
 
   set(gp_cmd_paths ${gp_cmd_paths}
+    "$ENV{VS140COMNTOOLS}/../../VC/bin"
     "C:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/bin"
+    "$ENV{VS120COMNTOOLS}/../../VC/bin"
     "C:/Program Files (x86)/Microsoft Visual Studio 12.0/VC/bin"
+    "$ENV{VS110COMNTOOLS}/../../VC/bin"
     "C:/Program Files (x86)/Microsoft Visual Studio 11.0/VC/bin"
+    "$ENV{VS100COMNTOOLS}/../../VC/bin"
     "C:/Program Files (x86)/Microsoft Visual Studio 10.0/VC/bin"
+    "$ENV{VS90COMNTOOLS}/../../VC/bin"
     "C:/Program Files/Microsoft Visual Studio 9.0/VC/bin"
     "C:/Program Files (x86)/Microsoft Visual Studio 9.0/VC/bin"
+    "$ENV{VS80COMNTOOLS}/../../VC/bin"
     "C:/Program Files/Microsoft Visual Studio 8/VC/BIN"
     "C:/Program Files (x86)/Microsoft Visual Studio 8/VC/BIN"
+    "$ENV{VS71COMNTOOLS}/../../VC7/bin"
     "C:/Program Files/Microsoft Visual Studio .NET 2003/VC7/BIN"
     "C:/Program Files (x86)/Microsoft Visual Studio .NET 2003/VC7/BIN"
     "/usr/local/bin"