安装 rust

  • 安装 rustup，参考官网

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    export RUST_UPDATE_ROOT=https://mirrors.tuna.tsinghua.edu.cn/rustup
export RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
# 按照提示，一直 default 即可

  • 配置 rustup、toolchain 和 target 更新源

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    cat >> /etc/profile.d/rustup.sh <<-EOF
    export RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup
EOF

  • 配置 crate 源

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    cat >> ~/.cargo/config <<-EOF
[source.crates-io]
replace-with = 'tuna'

[source.tuna]
registry = "https://mirrors.tuna.tsinghua.edu.cn/git/crates.io-index.git"
EOF

交叉编译

树梅派 Alpine armv7/armhf

  • 下载交叉编译工具

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    curl -LO https://musl.cc/armv7l-linux-musleabihf-cross.tgz
tar zxf armv7l-linux-musleabihf-cross.tgz -C /opt/
export PATH=/opt/armv7l-linux-musleabihf-cross/bin/:$PATH

  • 配置 target

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    rustup target add armv7-unknown-linux-musleabihf
cat >> ~/.cargo/config <<-EOF
[target.armv7-unknown-linux-musleabihf]
linker = "armv7l-linux-musleabihf-ld"
EOF

  • 编译

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    # 操作系统如果是 armv7，则需指定该 cflag 来禁用 fpu
export CFLAGS='-mfpu=neon'

export CC=armv7l-linux-musleabihf-gcc
cargo build --target armv7-unknown-linux-musleabihf --release
armv7l-linux-musleabihf-strip target/armv7-unknown-linux-musleabihf/release/{目标二进制文件}

树梅派 Alpine aarch64

  • 下载交叉编译工具

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    curl -LO https://musl.cc/aarch64-linux-musl-cross.tgz
tar zxf aarch64-linux-musl-cross.tgz -C /opt/
export PATH=/opt/aarch64-linux-musl-cross/bin/:$PATH

  • 配置 target

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    rustup target add aarch64-unknown-linux-musl
cat >> ~/.cargo/config <<-EOF
[target.aarch64-unknown-linux-musl]
linker = "aarch64-linux-musl-ld"
EOF

  • 编译

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    export CC=aarch64-linux-musl-gcc
cargo build --target aarch64-unknown-linux-musl --release
aarch64-linux-musl-strip target/aarch64-unknown-linux-musl/release/{目标二进制文件}