Unity 2017.3.0f3 cannot build WebGL with IL2CPP

I'm trying to create a WebGL build but when I tried to I'm getting this error

I manage to make a Development build once and couldn't do it again.

 

I tried version 2017.3.0p4
And it didn't work.

I think it's the same error

 

Strange. I tried removing the il2cpp_cache from the Library folder and tried to rebuild it. It cause my computer to turn off. I'm going to try getting a new power supply this weekend and see if that would fix it.

 

Seems like my CPU was overheating before. I manage to get the building to run until that Error get displayed.

Alright I will wait for the release.
Thank you

 

@Marco-Trivellato

Hello,
just quick question - did your WebGL fix make it into the 2017.3.1.p1 patch (February 14)?

I have clean install 2017.3.1.f1, the mentioned p1 patch over it, and can not build for WebGL (both 1 and 2) even default empty scene with "default" box added... it gives the errors on console, see below.
For convenience also Editor.log in attachment.

Or is it perhaps a new issue, which I should fill in as appropriate?

Thanks

Ivan

*****************************************************
Failed running "C:\Program Files\Unity 2017.3\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten_Win\python\2.7.5.3_64bit\python.exe" "C:\Program Files\Unity 2017.3\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emcc" @"C:\Users\IVANKL~1\DOCUME~1\MODTEL~1\UNITEL~2\TELCKO~1\Assets\..\Temp\emcc_arguments.resp"
stdout:
stderr:ERROR:root:C:\Users\Ivan Klíma\Documents\mod Telc kolej\UNI Telč-KolejNew\Telc Kolej Kostel New\Temp\StagingArea\Data\Native\build.bc: No such file or directory ("C:\Users\Ivan Klíma\Documents\mod Telc kolej\UNI Telč-KolejNew\Telc Kolej Kostel New\Temp\StagingArea\Data\Native\build.bc" was expected to be an input file, based on the commandline arguments provided)

******************************************************
Exception: Failed building WebGL Player.
UnityEditor.WebGL.ProgramUtils.StartProgramChecked (System.Diagnostics.ProcessStartInfo p) (at /Users/builduser/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/ProgramUtils.cs:48)
UnityEditor.WebGL.WebGlBuildPostprocessor.EmscriptenLink (BuildPostProcessArgs args, Boolean wasmBuild, System.String sourceFiles, System.String sourceFilesHash) (at /Users/builduser/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/BuildPostprocessor.cs:408)
UnityEditor.WebGL.WebGlBuildPostprocessor.LinkBuild (BuildPostProcessArgs args) (at /Users/builduser/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/BuildPostprocessor.cs:451)
UnityEditor.WebGL.WebGlBuildPostprocessor.PostProcess (BuildPostProcessArgs args) (at /Users/builduser/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/BuildPostprocessor.cs:916)
UnityEditor.PostprocessBuildPlayer.Postprocess (BuildTargetGroup targetGroup, BuildTarget target, System.String installPath, System.String companyName, System.String productName, Int32 width, Int32 height, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.BuildReporting.BuildReport report) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/PostprocessBuildPlayer.cs:272)
UnityEngine.GUIUtilityrocessEvent(Int32, IntPtr)

*****************************************************************
UnityEditor.BuildPlayerWindow+BuildMethodException: 4 errors
at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (BuildPlayerOptions options) [0x0020e] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:181
at UnityEditor.BuildPlayerWindow.CallBuildMethods (Boolean askForBuildLocation, BuildOptions defaultBuildOptions) [0x00065] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:88

 

"C:\Users\Ivan Klíma\Documents\mod Telc kolej\UNI Telč-KolejNew\Telc Kolej Kostel New\Temp\StagingArea\Data\Native\build.bc: No such file or directory"

Perhaps try moving your project to the root of your drive (e.g. C:\IvansProject) and building again.

 

Thanks for your advice, @kognito1 !
To my surprise, changing the path so it is without the non-ASCII characters really helped!
Now I have even found such solution already mentioned in the WebGL forum.

Question probably to @Marco-Trivellato -
- is it "by design" (so it is written by capital letters somewhere in the manual),
- or is it just known issue which will go away as Unity becomes more "multilingual"?
- or the cause is completely different perhaps?
Anyway it should be somehow announced publicly - other poor souls could run into the same ...

 

Ok, that's definitely it!
(Let's call it "Non ASCII characters in the project name").
Thanks again the forum for help; the issue is solved now at least for me.
Maybe few words in manual or somewhere would be good to help others to avoid this unfortunate temporary annoyance.