How to use system Clang instead of the bundled version

NuLL3rr0r
Thu, 28 Jun 2018 19:33:54 +0000
Platform & Builds

Prior to commit 97e9593070a80b408f7e87af2c277f7abf885d51 on 4.20 branch I was able to use whichever LLVM/Clang version I have installed on my system (e.g. 6.0.0, or 5.0.1) for building UE 4.20 and my own projects. That commits forces installation of a bundled Clang at version 5.0.0.

So, since I have third-party libraries built using Clang 6.0.0, is there any way to tell UBT to use a different Clang other than the bundled one, without reverting that commit or modifying the engine files?

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