RunUAT ERROR: AutomationTool failed to compile (Mac)

Development Platform & Builds Mobile
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1

Hello, I’m trying to package my mobile project following this documentation.

The packaging never gets past the Launching UAT stage.

Here’s the full error log:

Running AutomationTool...
Setting up Mono
Compiling AutomationTool with xbuild
xbuild Source/Programs/AutomationTool/AutomationTool.csproj /p:Configuration=Development /p:Platform=AnyCPU /verbosity:quiet /nologo /p:TargetFrameworkProfile=
/Users/Shared/Epic Games/UE_4.17/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/Microsoft.CSharp.targets: error : Error executing tool '/Users/Shared/Epic Games/UE_4.17/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe': ApplicationName='/Users/Shared/Epic Games/UE_4.17/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe', CommandLine='/noconfig @/var/folders/cw/p2k24h9s2_qb1zhcjzs2_zjm0000gn/T/tmp27e8faeb.tmp', CurrentDirectory='/Users/Shared/Epic Games/UE_4.17/Engine/Source/Programs/DotNETCommon/DotNETUtilities', Native error= Cannot find the specified file
/Users/Shared/Epic Games/UE_4.17/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/Microsoft.CSharp.targets: error : Error executing tool '/Users/Shared/Epic Games/UE_4.17/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe': ApplicationName='/Users/Shared/Epic Games/UE_4.17/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe', CommandLine='/noconfig @/var/folders/cw/p2k24h9s2_qb1zhcjzs2_zjm0000gn/T/tmp52c15efd.tmp', CurrentDirectory='/Users/Shared/Epic Games/UE_4.17/Engine/Source/Programs/UnrealBuildTool', Native error= Cannot find the specified file
/Users/Shared/Epic Games/UE_4.17/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/Microsoft.CSharp.targets: error : Error executing tool '/Users/Shared/Epic Games/UE_4.17/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe': ApplicationName='/Users/Shared/Epic Games/UE_4.17/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe', CommandLine='/noconfig @/var/folders/cw/p2k24h9s2_qb1zhcjzs2_zjm0000gn/T/tmp8c34d5a.tmp', CurrentDirectory='/Users/Shared/Epic Games/UE_4.17/Engine/Source/Programs/AutomationTool/AutomationUtils', Native error= Cannot find the specified file
RunUAT ERROR: AutomationTool failed to compile.

I’ve double checked the folders mentioned in the error log, but couldn’t find anything.
On Windows, everything works okay. This is an error I only get on my Mac. Is there anything I’m missing?

2

Is there any solution for this? I’m still stuck at the same error.

3

Same here. 4.18 and 4.19
After trying the mobile patching for iOS method it seems that AutomationTool is completely broken.
I can’t do any IOS builds anymore, getting AutomationTool Errors…
I fixed this by reinstalling the engine, but IOS Patching seems to be broken right now.

4

try this:

  1. Close UE and open ‘Epic Games Launcher’; go to ‘Library’ and ‘Verify’ the Engine-Version you are compiling with (drop-down menu). This should re-download the precompiled AutomationTool.
  2. Delete or move the ‘AutomationTool’ project file.
  3. Build your project.

instead of:

RunUAT ERROR: AutomationTool failed to compile

You should now get:

UATHelper: Package Plugin Task (Mac): No project to compile, attempting to use precompiled AutomationTool

Default path of AutomationTool.csproj for UE_4.18:

#rm -rf /Users/Shared/Epic\ Games/UE_4.18/Engine/Source/Programs/AutomationTool/AutomationTool.csproj
5

I had exactly the same error. It seems like just the following command doesn’t work well:

xbuild Source/Programs/AutomationTool/AutomationTool.csproj /p:Configuration=Development /p:Platform=AnyCPU /verbosity:quiet /nologo /p:TargetFrameworkProfile=

I don’t know why this works, but cd to /Users/Shared/Epic Games/UE_4.19/Engine/ and type the same command above. Compilation succeeds.