add aarch64 Linux cross-compilation support#528
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castler,
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hoe-jo and
limdor
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castler
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Jun 19, 2026
| common:linux_aarch64_score_gcc_12_2_0_posix --extra_toolchains=@score_toolchains_rust//toolchains/ferrocene:ferrocene_aarch64_unknown_linux_gnu | ||
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| common:linux_aarch64 --extra_toolchains=@gcc_toolchain_aarch64//:cc_toolchain | ||
| common:linux_aarch64 --extra_toolchains=@score_gcc_aarch64_toolchain//:aarch64-linux |
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Why do we add this toolchain here also?
| common:linux_aarch64 --extra_toolchains=@score_gcc_aarch64_toolchain//:aarch64-linux | ||
| common:linux_aarch64 --extra_toolchains=@ferrocene_aarch64_unknown_linux_gnu_llvm//:rust_ferrocene_toolchain | ||
| common:linux_aarch64 --platforms=@score_bazel_platforms//:aarch64-linux-gcc_12.2.0-posix | ||
| build:linux_aarch64 --copt=-mno-outline-atomics |
Contributor
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We should have copt only in the MODULE file
| common:linux_aarch64 --extra_toolchains=@gcc_toolchain_aarch64//:cc_toolchain | ||
| common:linux_aarch64 --extra_toolchains=@score_gcc_aarch64_toolchain//:aarch64-linux | ||
| common:linux_aarch64 --extra_toolchains=@ferrocene_aarch64_unknown_linux_gnu_llvm//:rust_ferrocene_toolchain | ||
| common:linux_aarch64 --platforms=@score_bazel_platforms//:aarch64-linux-gcc_12.2.0-posix |
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This seems wrong, as the first toolchain is a gcc15?
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Summary
Adds
--config=linux_aarch64build configuration for cross-compiling to AArch64 Linuxusing the hermetic GCC 15.2 toolchain and Ferrocene Rust toolchain.
Changes
.bazelrc: Addedlinux_aarch64config block (platform, toolchains,-mno-outline-atomics)MODULE.bazel: Addedgcc_toolchain_aarch64(GCC 15.2) andferrocene_aarch64_unknown_linux_gnu_llvmRust toolchainTesting
//score/mw/com:types,//score/message_passing:message_passing_unix_domain, and test binaries for aarch64