Getting Build failed due to compilation issues in scripts on Universal Windows Platform (UWP)

rlawlgns3433 · January 9, 2023, 1:46am

when i build the project, error occured.
(build platform : universal windows platform)

Would like to know why there are compilation issues in script on Universal Windows Platform?

Error :
Library\PackageCache\com.cesium.unity@0.1.2\Runtime\Cesium3DTileset.cs(1,7): error CS0246: The type or namespace name ‘Reinterop’ could not be found (are you missing a using directive or an assembly reference?)
Library\PackageCache\com.cesium.unity@0.1.2\Runtime\CesiumBingMapsRasterOverlay.cs(1,7): error CS0246: The type or namespace name ‘Reinterop’ could not be found (are you missing a using directive or an assembly reference?)
Library\PackageCache\com.cesium.unity@0.1.2\Runtime\CesiumCreditSystem.cs(1,7): error CS0246: The type or namespace name ‘Reinterop’ could not be found (are you missing a using directive or an assembly reference?)
…
UnityEditor.BuildPlayerWindow+BuildMethodException: 83 errors
at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer

Kevin_Ring · January 9, 2023, 11:19am

The built and shipped version of Cesium for Unity currently only supports Windows (non-UWP), macOS, and Android. It’s probably possible to build it for UWP by following the developer instructions, but we haven’t tried:

github.com

CesiumGS/cesium-unity/blob/main/Documentation~/developer-setup.md

# Overview

This is a summary of the setup and workflows for developers who want to modify the Cesium for Unity plugin. If you just want to use Cesium for Unity in your own applications, see the main [README](../README.md).

## :computer: Building Cesium for Unity

### Prerequisites

* CMake v3.15 or later (the latest version is recommended)
* [.NET SDK v6.0 or later](https://dotnet.microsoft.com/en-us/download/dotnet/6.0)
* If you're using Visual Studio, you need Visual Studio 2022.
* Unity 2021.3+ (the latest version of the Unity 2021.3 LTS release is recommended)
* On Windows, support for long file paths must be enabled, or you are likely to see build errors. See [Maximum Path Length Limitation](https://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation?tabs=registry#enable-long-paths-in-windows-10-version-1607-and-later).

The built Cesium for Unity Assembly will run on much older versions of .NET, including the version of Mono included in Unity. However, these very recent versions are required for the C#<->C++ interop code generator (Reinterop).

To make sure things are set up correctly, open a command-prompt (PowerShell is a good choice on Windows) and run:

* `dotnet --version` and verify that it reports 6.0 or later
* `cmake --version` and verify that it reports 3.15 or later

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JakobAnarkyLabs · January 17, 2023, 11:50am

Do you have any plan of supporting UWP in the shipped version in the future and, if so, could you give an estimate of when that would be?

Kevin_Ring · January 17, 2023, 12:22pm

We don’t have any near-term plans to do this ourselves, but would gladly accept a pull request from the community with the (likely minor) changes needed to get it to work.

JakobAnarkyLabs · January 17, 2023, 12:29pm

Ok, thank you for your quick response. I will try the method described above (cesium-unity/developer-setup.md at main · CesiumGS/cesium-unity · GitHub).

JakobAnarkyLabs · January 20, 2023, 9:26am

Just a quick update on this issue…

I have followed the developer guide (cesium-unity/developer-setup.md at main · CesiumGS/cesium-unity · GitHub) and have managed to get things up and running for the editor, and it seems to be able to compile also the native stuff for the platforms included in the shipped version. However, it does not work out of the box for UWP.

I think that I have managed to get some steps forward by adding conditional compile sections for UNITY_WSA in the ConfigureReinterop.cs scripts and by modifying CompileCesiumForUnityNative.cs slightly, but the native build process seems to stop prematurely when generating code for CesiumGeospatial.vcxproj. I guess that I am missing some stuff to make it work.

BTW I am trying to get Cesium running on Hololens 2 with an ARM64 build (Unity supports 4 different architectures on UWP).

I can see that there now is a pull request for supporting Android x86_64 (Magic Leap 2) which is great. It would be nice if you would also consider adding the UWP build capability as well.

We are currently using Mapbox in our Hololens 2 project, but we are looking for alternatives such as Cesium or ArcGIS. Cesium looks very promising, and we like the openness of it (open source etc.) but it would require that we can build for UWP ARM64.

Kind regards, Jakob

Kevin_Ring · January 20, 2023, 11:59pm

Hi @JakobAnarkyLabs,

If you’re getting to the part in the package process where it tries to compile the native code, it should display the path to a log file. If you can share that contents of that log file, we may be able to help figure out what’s going wrong.

Kevin

JakobAnarkyLabs · January 23, 2023, 8:59am

Hi @Kevin_Ring

Thanks for getting back to me.
Here, I have attached a zip with the native build log file as well as the modified scripts and a CMake toolchain file.

I don’t have a particularly deep understanding of this process of building native stuff, nor of using CMake, so I am sorry if there is some obvious stuff that I am missing. I just tried some things that seemed sensible.

Jakob

LogAndModifiedScripts.zip (22.1 KB)

Kevin_Ring · January 23, 2023, 11:21pm

Thanks, it looks like that got pretty far! There seem to be some compiler errors in SQLite, which is kind of surprising. I think the first thing I’d try is upgrading sqlite3 to the latest version. There could be some incompatibility in the version we’re currently using.

Consider opening a draft pull request as you work on this. That will make it much easier for others to see what you’ve done and try it out themselves, compared to a ZIP file.

Kevin

JakobAnarkyLabs · January 24, 2023, 9:48am

Thank you

Yes I/we will definitely consider opening a pull request. There are some people at our office who know more about this native code compilation than me - I will try to make them look at it at some point.

Jakob

ryanlpeterson · June 7, 2023, 7:56pm

Hello,

It’s been a few months, does anyone know of any update here?

@Kevin_Ring Any advances on UWP ARM64 support getting on the roadmap?

@JakobAnarkyLabs Any success in your pursuits that could be entered as a PR?

I tried similar as the above and am seeing the same SQLite compile errors, even after updating SQLite to the latest 3.42.0.

Appreciate any updates!
-Ryan

JakobAnarkyLabs · June 8, 2023, 6:45am

@ryanlpeterson
It is good that you keep this thread a bit alive. I have been busy with another task the last couple of months, so unfortunately I haven’t really any progress to report. I am still hoping to get the time to dig more into it, but, of course, I also said that a couple of months ago…

Kevin_Ring · June 8, 2023, 12:58pm

It’s not something that anyone at Cesium has worked on yet. We’re still happy to accept a PR from the community if someone gets it working, though.

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Getting Build failed due to compilation issues in scripts on Universal Windows Platform (UWP)

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