Created
December 5, 2023 21:18
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Rust musl cross compile script
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| #!/bin/bash | |
| # Usage: | |
| # /path/to/musl.sh some-rust-target-name cargo subcommand --options ... | |
| # E.g. musl.sh aarch64-linux-unknown-musl cargo build --release | |
| # | |
| # Note: | |
| # Linking C++ libs doesn't work, as we don't have musl version of C++ std libs | |
| TARGET=$1 | |
| shift | |
| IFS='-' read -r -a array <<< "$TARGET" | |
| ARCH="${array[0]}" | |
| ABI="${array[@]: -1:1}" | |
| IMAGE="messense/rust-musl-cross:${ARCH}-${ABI}" | |
| TOOLCHAIN="${ARCH}-unknown-linux-${ABI}" | |
| MUSL_ROOT="/usr/local/musl" | |
| #echo "ARCH is ${ARCH}" | |
| #echo "Using target ${TARGET}" | |
| #echo "Image is ${IMAGE}" | |
| docker run \ | |
| --env CC="${MUSL_ROOT}/bin/${TOOLCHAIN}-cc" \ | |
| --env CXX="${MUSL_ROOT}/bin/${TOOLCHAIN}-c++" \ | |
| --env AR="${MUSL_ROOT}/bin/${TOOLCHAIN}-ar" \ | |
| --env RUSTFLAGS="-C linker=${MUSL_ROOT}/bin/${TOOLCHAIN}-cc" \ | |
| --rm -it --user "$(id -u):$(id -g)" \ | |
| -v "$HOME/.cargo":/root/.cargo \ | |
| -v /root/.cargo/bin \ | |
| -v /root/.cargo/binstall \ | |
| -v "$(pwd)":/home/rust/src \ | |
| $IMAGE "$@" |
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