chore(llvm): Build the whole LLVM stack together #43362
Open
+836
−745
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This PR refactors LLVM 19 and all of its components to build together within the same stack increasing maintainability
Other runtimes we previously built have been added as well (sans OpenMP for now due to issues with OpenSSF flags - we need to build Clang with those). This also introduces Clang's compiler runtime
Finally, libraries that are ABI compatible and share a consistent version between releases of LLVM are now built in the stack. Virtual provides have been added for compatibility, but will be progressively phased out