[PATCH] D62480: gn build: make clangd depend on clang resource headers

[Ilya Biryukov via Phabricator via llvm-commits]

ilya-biryukov added a comment.

The dependency is there in CMake, although it took me awhile to dig it out for first time.
It is added by `add_clang_tool`, see AddClang.cmake <https://github.com/llvm/llvm-project/blob/7d9cac5bbac26bed73b7dc4ab6c5815d8aa60b68/clang/cmake/modules/AddClang.cmake#L146>.

Obviously, we want the same dependency on other instances of `add_clang_tool`.  The lack of this dependency can only be noticed when building a tool in a clean build directory **without** building clang. Worse yet, it will build just fine, but would fail to find the builtin headers at runtime.


Repository:
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