Error: use of undeclared identifier 'VectorTruncate'

Hi

Downloaded the source from github and when i try to compiler I’m getting “error: use of undeclared identifier ‘VectorTruncate’” error. I dont know what the problem is. Anyone having this problem? I appreciate if you can point me in the right direction.

Thanks for your time.

LogPlayLevel: UnrealBuildTool: 1 error generated.
LogPlayLevel: UnrealBuildTool: [136/248] clang++.exe Module.DatabaseSupport.cpp [armv7-es31]
LogPlayLevel: UnrealBuildTool: In file included from G:/UnrealEngine/DesertRuins/Intermediate/Build/Android/DesertRuins/Development/DatabaseSupport/Module.DatabaseSupport.cpp:2:
LogPlayLevel: UnrealBuildTool: In file included from E:\UnrealEngine-4.12\Engine\Source\Runtime\DatabaseSupport\Private\Database.cpp:4:
LogPlayLevel: UnrealBuildTool: In file included from E:\UnrealEngine-4.12\Engine\Source\Runtime\DatabaseSupport\Private/DatabaseSupportPrivatePCH.h:3:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/DatabaseSupport/Public\Database.h:5:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Core/Public\Core.h:22:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Core/Public/Math\UnrealMathUtility.h:1369:
LogPlayLevel: UnrealBuildTool: Runtime/Core/Public/Math/UnrealMathFPU.h(1030,8) : error: use of undeclared identifier ‘VectorTruncate’
LogPlayLevel: UnrealBuildTool: Tmp = VectorTruncate(Tmp);
LogPlayLevel: UnrealBuildTool: ^
LogPlayLevel: UnrealBuildTool: 1 error generated.
LogPlayLevel: UnrealBuildTool: [137/248] clang++.exe Module.MovieSceneCapture.cpp [armv7-es31]
LogPlayLevel: UnrealBuildTool: In file included from G:/UnrealEngine/DesertRuins/Intermediate/Build/Android/DesertRuins/Development/MovieSceneCapture/Module.MovieSceneCapture.cpp:2:
LogPlayLevel: UnrealBuildTool: In file included from E:\UnrealEngine-4.12\Engine\Source\Runtime\MovieSceneCapture\Private\MovieSceneCapturePCH.h:5:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Core/Public\Core.h:22:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Core/Public/Math\UnrealMathUtility.h:1369:
LogPlayLevel: UnrealBuildTool: Runtime/Core/Public/Math/UnrealMathFPU.h(1030,8) : error: use of undeclared identifier ‘VectorTruncate’
LogPlayLevel: UnrealBuildTool: Tmp = VectorTruncate(Tmp);
LogPlayLevel: UnrealBuildTool: ^
LogPlayLevel: UnrealBuildTool: 1 error generated.
LogPlayLevel: UnrealBuildTool: [138/248] clang++.exe Module.MoviePlayer.cpp [armv7-es31]
LogPlayLevel: UnrealBuildTool: In file included from G:/UnrealEngine/DesertRuins/Intermediate/Build/Android/DesertRuins/Development/MoviePlayer/Module.MoviePlayer.cpp:2:
LogPlayLevel: UnrealBuildTool: In file included from E:\UnrealEngine-4.12\Engine\Source\Runtime\MoviePlayer\Private\DefaultGameMoviePlayer.cpp:3:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/MoviePlayer/Public\MoviePlayer.h:5:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Engine/Public\Engine.h:9:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Core/Public\Core.h:22:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Core/Public/Math\UnrealMathUtility.h:1369:
LogPlayLevel: UnrealBuildTool: Runtime/Core/Public/Math/UnrealMathFPU.h(1030,8) : error: use of undeclared identifier ‘VectorTruncate’
LogPlayLevel: UnrealBuildTool: Tmp = VectorTruncate(Tmp);
LogPlayLevel: UnrealBuildTool: ^
LogPlayLevel: UnrealBuildTool: 1 error generated.
LogPlayLevel: UnrealBuildTool: [139/248] clang++.exe MoviePlayer.generated.cpp [armv7-es31]
LogPlayLevel: UnrealBuildTool: 1 error generated.
LogPlayLevel: UnrealBuildTool: In file included from G:/UnrealEngine/DesertRuins/Intermediate/Build/Android/DesertRuins/Inc/MoviePlayer/MoviePlayer.generated.cpp:8:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/MoviePlayer\Public/MoviePlayer.h:5:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Engine/Public\Engine.h:9:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Core/Public\Core.h:22:
LogPlayLevel: UnrealBuildTool: In file included from Runtime/Core/Public/Math\UnrealMathUtility.h:1369:
LogPlayLevel: UnrealBuildTool: Runtime/Core/Public/Math/UnrealMathFPU.h(1030,8) : error: use of undeclared identifier ‘VectorTruncate’
LogPlayLevel: UnrealBuildTool: Tmp = VectorTruncate(Tmp);
LogPlayLevel: UnrealBuildTool: ^