Install Windows SDK >= 18362 to fix compilation of UE-4.27

resolves adamrehn#192

Author: slonopotamus

ue4docker/dockerfiles/ue4-build-prerequisites/windows/buildtools-exitcode.py

@@ -35,9 +35,21 @@ set VISUAL_STUDIO_BUILD_NUMBER=%~1
 
 @rem Install the Visual Studio Build Tools workloads and components we need
 @rem NOTE: We use the Visual Studio 2019 installer even for Visual Studio 2017 here because the old installer now breaks
-@rem NOTE: VS2019 Build Tools doesn't have 4.6.2 .NET SDK and what actually gets installed is 4.8
-@rem NOTE: Microsoft.NetCore.Component.SDK only exists for VS2019. And it is actually *needed* only for UE5
 curl --progress-bar -L "https://aka.ms/vs/16/release/vs_buildtools.exe" --output %TEMP%\vs_buildtools.exe || goto :error
+
+@rem The latest Windows SDK that is available through VS2017 channel is 17763.
+@rem We want to use a newer one because:
+@rem * it allows games to use newer API
+@rem * UE-4.27 doesn't build with SDK older than 18362. See https://github.com/adamrehn/ue4-docker/issues/192
+@rem So, we always use VS2019 channel to install Windows SDK.
+%TEMP%\vs_buildtools.exe --quiet --wait --norestart --nocache ^
+	--installPath C:\BuildTools ^
+	--locale en-US ^
+	--add Microsoft.VisualStudio.Component.Windows10SDK.20348 ^
+	|| goto :error
+
+@rem VS2019 Build Tools doesn't have 4.6.2 .NET SDK and what actually gets installed is 4.8.
+@rem Microsoft.NetCore.Component.SDK only exists for VS2019. It is needed only for UE5 that can only be built with VS2019.
 %TEMP%\vs_buildtools.exe --quiet --wait --norestart --nocache ^
 	--installPath C:\BuildTools ^
 	--channelUri "https://aka.ms/vs/%VISUAL_STUDIO_BUILD_NUMBER%/release/channel" ^
@@ -49,12 +61,10 @@ curl --progress-bar -L "https://aka.ms/vs/16/release/vs_buildtools.exe" --output
 	--add Microsoft.VisualStudio.Workload.MSBuildTools ^
 	--add Microsoft.VisualStudio.Component.NuGet ^
 	--add Microsoft.VisualStudio.Component.VC.Tools.x86.x64 ^
-	--add Microsoft.VisualStudio.Component.Windows10SDK.17763 ^
 	--add Microsoft.Net.Component.4.5.TargetingPack ^
 	--add Microsoft.Net.ComponentGroup.4.6.2.DeveloperTools ^
 	--add Microsoft.NetCore.Component.SDK
-
-python C:\buildtools-exitcode.py %ERRORLEVEL% || goto :error
+	|| goto :error
 
 @rem Clean up any temp files generated during prerequisite installation
 rmdir /S /Q \\?\%TEMP%