[build] Upgrade @llvm to 0.8.11 - #17806
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Bumps the hermetic @llvm toolchain from 0.8.10 to 0.8.11 (LLVM 22.1.8). An earlier attempt at 0.8.11 failed on macOS: its sysroot changes broke the cargo C build scripts of the -sys crates (bzip2-sys, then ring) with "'stdlib.h' file not found". That is resolved by rules_rs 0.0.96 (already on trunk), so 0.8.11 now builds cleanly with the crates' build scripts left stock (gen_build_script = "on") - no per-crate workarounds needed. Straight version bump (@llvm is a plain bazel_dep). Validated locally on macOS: full compile+link of //rust:selenium-manager against @llvm 0.8.11 and the binary runs.
This was referenced Aug 10, 2026
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Summary
Bumps the hermetic
@llvmtoolchain from 0.8.10 → 0.8.11 (LLVM 22.1.8).Context
An earlier attempt to move to 0.8.11 failed on macOS: 0.8.11's sysroot changes (passing a relative
-isysroot) broke the cargo C build scripts of the-syscrates — firstbzip2-sys, thenring— with'stdlib.h' file not found. That is fixed by rules_rs 0.0.96 (already on trunk as of #17793), so 0.8.11 now builds cleanly with the crates' build scripts left stock (gen_build_script = "on") — no per-crate workarounds required.@llvmis a plainbazel_depwith no patch/override, so this is a straight one-line version bump.Validation
Built locally on macOS (arm64) against
@llvm0.8.11 +rules_rs0.0.96:bazel build //rust:selenium-managercompiles + links the full crate graph (including thebzip2-sys/lzma-sys/zstd-sys/ringC build scripts that exercise the@llvmC toolchain) with zero sysroot errors.selenium-manager 0.4.47-nightly).CI exercises the full Linux/macOS/Windows matrix.