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UE 4.20 - Unable to expand variable in '$(DXSDK_DIR)\Lib\x64

+1 vote

Hello i was trying to use WWise on my Unreal Engine 4 project but when i added the plugin into my project i was given the error "Unable to expand variable in '$(DXSDK_DIR)\Lib\x64". After digging around a bit i noticed that i didn't have the DXSDK_DIR Environment Variable. I created it on both system and user and i pointed to "C:\Program Files\Epic Games\UE_4.20\Engine\Source\ThirdParty\Windows\DirectX" and i still have the same error. If i replace $(DXSDK_DIR) with the hardcoded path or with Environment.GetEnvironmentVariable("DXSDK_DIR", EnvironmentVariableTarget.Machine) it works, so why isn't he recognizing $(DXSDK_DIR)?

asked Aug 10, 2018 in General Discussion by David P. (110 points)

1 Answer

0 votes
Hello.
I also suffered from the same problem, but since I got settled, I will share the information.

Since there is an answer that is helpful in ANSWERHUB of UE 4, we have found this and resolved it.
↓ That site.
https://answers.unrealengine.com/questions/816524/420-directx-compilation-error.html

I hope this information will be of your help.
answered Aug 29, 2018 by User106570 (140 points)
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