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VS error on LogVisualizer

I got UE4.7.2 from the Launcher. From https://github.com/audiokinetic/WwiseUE4integration I downloaded the contents as a zip file and extracted it into the UE4 folder and copied the necessary files from the Wwise installation, following the guides carefully. Setup ran fine. Opened UE4.sln in VS and tried to build, ending up with the following errors:

Error 1 error : All source files in module "LogVisualizer" must include the same precompiled header first. Currently "C:\Program Files\Epic Games\4.7\Engine\Source\Developer\LogVisualizer\Private\LogVisualizer.h" is included by most of the source files. The following source files are not including "C:\Program Files\Epic Games\4.7\Engine\Source\Developer\LogVisualizer\Private\LogVisualizer.h" as their first include: C:\Program Files\Epic Games\4.7\Engine\Intermediate\ProjectFiles\EXEC UE4

Error 2 error MSB3073: The command "....\Build\BatchFiles\Build.bat UE4Editor Win64 Development" exited with code -1. C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.MakeFile.Targets 38 5 UE4

All help would be much appreciated. Any ideas?

Product Version: Not Selected
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asked Mar 13 '15 at 05:29 AM in Installation & Setup

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avatar image Ben Halliday STAFF Mar 13 '15 at 02:00 PM

Hi ariein,

Two questions: have you already downloaded and installed Wwise? Have you tried building the engine from source (rather than using the Launcher version) and then integrating this?

avatar image ariein Mar 13 '15 at 06:17 PM

Thanks Ben I have indeed installed Wwise and copied the necessary Wwise SDK files from the Wwise installation to my Unreal Engine 4 working directory (as per the guide, https://github.com/audiokinetic/WwiseUE4integration) I started with building the engine from source getting the same error. After reading about similar errors regarding precompiled headers where it was recommended that I'd use the Launcher version, I went for that and still getting the same error.

avatar image Matt.Williams Mar 20 '15 at 05:09 PM

Hey ariein,

I just want to let you know we haven't forgotten about this issue. I'm sorry for the delay in response, but I had some unrelated compilation issues that were blocking me from testing this. I'll be working on this today and will update you again later today or tomorrow.

-Matt W.

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Thanks Matt I did manage to get things up and running by going back to using a source build and do things in a different order than before. Not quite sure if that was the problem but copying Wwise stuff over before running generateProjectFiles and using 'build solution' from VS's build menu there after did the trick.


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answered Mar 20 '15 at 05:49 PM

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avatar image Matt.Williams Mar 20 '15 at 05:59 PM

I'm glad you found the issue. If you compile separate projects and combine them, you're gonna have a bad time.

I wasn't extremely familiar with the way the Wwise Integration process worked before this week, so at least I learned something :P

If you have any other issues, feel free to let us know!

-Matt W.

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