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Fresh C++ project fails to compile UE4.18.3 on Mac OS

Can't get past this error. I've tried compiling the project in Xcode as well with same results.

Running Mono...

Setting up Mono /Users/Shared/Epic Games/UE_4.18/Engine /Users/Shared/Epic Games/UE_4.18/Engine/Binaries/Mac @progress push 5% Parsing headers for Unreal4AR_TestEditor Running UnrealHeaderTool "/PROJECTS/UE4/Unreal4AR_Test/Unreal4AR_Test.uproject" "/PROJECTS/UE4/Unreal4AR_Test/Intermediate/Build/Mac/Unreal4AR_TestEditor/Development/Unreal4AR_TestEditor.uhtmanifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -installed Reflection code generated for Unreal4AR_TestEditor in 9.5792895 seconds @progress pop Performing 6 actions (4 in parallel) [1/6] Compile SharedPCH.Engine.h In file included from /Users/Shared/Epic Games/UE_4.18/Engine/Intermediate/Build/Mac/UE4Editor/Development/Engine/SharedPCH.Engine.h:138: In file included from /Users/Shared/Epic Games/UE_4.18/Engine/Source/Runtime/Engine/Public/EngineSharedPCH.h:300: Runtime/CoreUObject/Public/UObject/UnrealType.h:3285:37: error: lambda capture 'LocalMapLayoutForCapture' is not used [-Werror,-Wunused-lambda-capture] [LocalKeyPropForCapture, KeyPtr, LocalMapLayoutForCapture](void* NewElementKey) ^ Runtime/CoreUObject/Public/UObject/UnrealType.h:3298:41: error: lambda capture 'LocalMapLayoutForCapture' is not used [-Werror,-Wunused-lambda-capture] [LocalValuePropForCapture, ValuePtr, LocalMapLayoutForCapture](void* NewElementValue) ^ Runtime/CoreUObject/Public/UObject/UnrealType.h:3808:47: error: lambda capture 'LocalSetLayoutForCapture' is not used [-Werror,-Wunused-lambda-capture] [LocalElementPropForCapture, ElementToAdd, LocalSetLayoutForCapture](void* NewElement) ^ 3 errors generated. ERROR: UBT ERROR: Failed to produce item: /PROJECTS/UE4/Unreal4AR_Test/Binaries/Mac/UE4Editor-Unreal4AR_Test.dylib Total build time: 36.09 seconds (Local executor: 0.00 seconds)

Product Version: UE 4.18
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asked Mar 21 '18 at 04:27 PM in Using UE4

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sconlogue
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4 answers: sort voted first

Managed to figure out my issue. Seemed that Xcode 9.3 didn't work. Tried 8.3 and it ran fine.

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answered Mar 26 '18 at 03:48 PM

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AlexBurrows
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Getting the same issue here as well

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answered Mar 26 '18 at 11:58 AM

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AlexBurrows
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Thanks for the info. I need Xcode 9.3 for Arcore to compile. Thankfully UE4.19 was just officially released with the unified API, so maybe I'm dodging the bullet.

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answered Mar 26 '18 at 07:17 PM

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sconlogue
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I also run into this errors generated from [-Werror,-Wunused-lambda-capture] setting using Xcode 9.3 and was able to work around it with downgrading to Xcode 9.0.

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answered Apr 16 '18 at 03:59 PM

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j.mueller RFG
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