| Issue |
148702
|
| Summary |
LLVM 20.1 bazel has unresolved cyclic dependency in `CodeGen`
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
corpoverlords
|
Hello,
The Bazel build for LLVM 20.1 seems to have incorrect dep tree compared to the CMake build for `CodeGen`.
Sometimes I see the error:
```
bazel-out/k8-fastbuild/bin/external/llvm-project/llvm/libCodeGen.a(ARMException.pic.o)(.data+0x158): error: undefined reference to 'typeinfo for llvm::ARMTargetStreamer'
```
With single-pass linkers like gold.
This is due to `ARMTargetStreamer` not in the `CodeGen` target but in `ARMCodeGen` target. However, `ARMCodeGen` depends on `CodeGen` and there is a cyclic dependency which must be broken.
I don't know what is the best fix...
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