Merge branches/quickjs to trunk. This is the way.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3621 ed5197a5-7fde-0310-b194-c3ffbd925b24

deps/libuv/tools/vswhere_usability_wrapper.cmd

@@ -0,0 +1,33 @@
+:: Copyright 2017 - Refael Ackermann
+:: Distributed under MIT style license or the libuv license
+:: See accompanying file LICENSE at https://github.com/node4good/windows-autoconf
+:: or libuv LICENSE file at https://github.com/libuv/libuv
+:: version: 2.0.0
+
+@if not defined DEBUG_HELPER @ECHO OFF
+setlocal
+if "%~1"=="prerelease" set VSWHERE_WITH_PRERELEASE=1
+set "InstallerPath=%ProgramFiles(x86)%\Microsoft Visual Studio\Installer"
+if not exist "%InstallerPath%" set "InstallerPath=%ProgramFiles%\Microsoft Visual Studio\Installer"
+if not exist "%InstallerPath%" goto :no-vswhere
+:: Manipulate %Path% for easier " handeling
+set "Path=%Path%;%InstallerPath%"
+where vswhere 2> nul > nul
+if errorlevel 1 goto :no-vswhere
+set VSWHERE_REQ=-requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64
+set VSWHERE_PRP=-property installationPath
+set VSWHERE_LMT=-version "[15.0,16.0)"
+vswhere -prerelease > nul
+if not errorlevel 1 if "%VSWHERE_WITH_PRERELEASE%"=="1" set "VSWHERE_LMT=%VSWHERE_LMT% -prerelease"
+SET VSWHERE_ARGS=-latest -products * %VSWHERE_REQ% %VSWHERE_PRP% %VSWHERE_LMT%
+for /f "usebackq tokens=*" %%i in (`vswhere %VSWHERE_ARGS%`) do (
+    endlocal
+    set "VCINSTALLDIR=%%i\VC\"
+    set "VS150COMNTOOLS=%%i\Common7\Tools\"
+    exit /B 0
+)
+
+:no-vswhere
+endlocal
+echo could not find "vswhere"
+exit /B 1