Files
UnrealEngineUWP/Engine/Source/Programs/UnrealBuildTool/Configuration
bryan sefcik 5fcc1c97a3 Updated the shared pch logic to traverse the dependency tree to find the best shared pch for each module. The logic before would only look at the direct dependencies which if changed could result in possibly worse compile times because a less optimal pch could be picked.
Note: There however are occasions where the old logic can give better shared pchs because it doesn't check whether there is a circular dependency. The new logic does check for circular dependencies so it can sometimes return a safer but less optimal shared PCH. If we find the old logic gives a better shared pch then we go ahead and use it. This will be removed after some of the circular dependencies are resolved.

#rb joe.kirchoff
#preflight 6477e3b87f02573726be946c

[CL 25720154 by bryan sefcik in ue5-main branch]
2023-05-31 23:29:01 -04:00
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