Hey folks,
My first post here so I’m not sure if this is the correct thread for Unreal Engine build problems. I’m trying to build the dev-ar-kit branch on OSX, but have hit this build error. I’m new to UnrealEngine and also Xcode so I thought I’d post this here while I dig around myself:
Setting up Mono
Building ARSampleEditor…
2017-07-09 10:10:36.185 defaults[19950:273603]
The domain/default pair of (com.apple.dt.Xcode, IDEBuildOperationMaxNumberOfConcurrentCompileTasks) does not exist
Running command : Engine/Binaries/DotNET/UnrealBuildTool.exe ARSampleEditor Mac Development /Users//git/UnrealEngine/Samples/ARSample/ARSample.uproject
Performing 5 actions (4 in parallel)
[1/5] Compile Module.MetalRHI.cpp
In file included from /Users//git/UnrealEngine/Engine/Intermediate/Build/Mac/UE4Editor/Development/MetalRHI/Module.MetalRHI.cpp:15:
/Users//git/UnrealEngine/Engine/Source/Runtime/Apple/MetalRHI/Private/MetalParallelRenderCommandEncoder.cpp:82:4: error: nullability specifier ‘nonnull’ conflicts with existing specifier ‘nullable’
- (id <MTLRenderCommandEncoder>)renderCommandEncoder
^
1 error generated.
ERROR: UBT ERROR: Failed to produce item: /Users//git/UnrealEngine/Engine/Binaries/Mac/UE4Editor.app/Contents/MacOS/UE4Editor-MetalRHI.dylib
Total build time: 70.36 seconds (Local executor: 0.00 seconds)
cheers,