Add basic support for Alpine Linux on aarch64
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Currently, when building LLVM/clang on Alpine Linux, CMake toolchain file specifies incorrect `<cpu_arch>-unknown-linux-musl` target, which makes the build immediately fail. Correct target that allows building on Alpine should be specified as `<cpu_arch>-alpine-linux-musl`, with `<cpu_arch>` replaced with respective CPU platform, e.g. `aarch64`.
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Rather than adding a whole new Alpine SDK to the build system, would it make more sense to add the concept of a libc somehow, so the Linux SDK would then have a choice of three libcs: Glibc, Musl, and Bionic? |
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This was referenced Aug 24, 2023
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@MaxDesiatov Are there plans to also support Alpine on |
This was referenced Feb 26, 2024
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These changes allow us to build the toolchain and Swift runtime on
aarch64Alpine Linux.