Integrate LZ4 library, compress the ramdisk

lz4/build/VS2022/_setup.bat

@@ -0,0 +1,35 @@
+set /a errorno=1
+for /F "delims=#" %%E in ('"prompt #$E# & for %%E in (1) do rem"') do set "esc=%%E"
+
+rem https://github.com/Microsoft/vswhere
+rem https://github.com/microsoft/vswhere/wiki/Find-VC#batch
+
+set "vswhere=%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"
+if not exist "%vswhere%" (
+  echo Failed to find "vswhere.exe".  Please install the latest version of Visual Studio.
+  goto :ERROR
+)
+
+set "InstallDir="
+for /f "usebackq tokens=*" %%i in (
+  `"%vswhere%" -latest                                                     ^
+               -products *                                                 ^
+               -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 ^
+               -property installationPath`
+) do (
+  set "InstallDir=%%i"
+)
+if "%InstallDir%" == "" (
+  echo Failed to find Visual C++.  Please install the latest version of Visual C++.
+  goto :ERROR
+)
+
+call "%InstallDir%\VC\Auxiliary\Build\vcvars64.bat" || goto :ERROR
+
+set /a errorno=0
+goto :END
+
+:ERROR
+
+:END
+exit /B %errorno%