89 lines
2.3 KiB
Markdown
89 lines
2.3 KiB
Markdown
---
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title: "Rust 笔记"
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date: 2021-08-29T15:02:13+08:00
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lastmod: 2021-08-29T15:02:13+08:00
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keywords: []
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tags: []
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categories: ["dev/ops"]
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---
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## 安装 rust
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- 安装 rustup，参考官网
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```bash
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export RUST_UPDATE_ROOT=https://mirrors.tuna.tsinghua.edu.cn/rustup
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export RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup
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curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
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# 按照提示，一直 default 即可
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```
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- 配置 rustup、toolchain 和 target 更新源
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```bash
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cat >> /etc/profile.d/rustup.sh <<-EOF
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export RUSTUP_DIST_SERVER=https://mirrors.tuna.tsinghua.edu.cn/rustup
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EOF
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```
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- 配置 crate 源
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```bash
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cat >> ~/.cargo/config <<-EOF
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[source.crates-io]
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replace-with = 'tuna'
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[source.tuna]
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registry = "https://mirrors.tuna.tsinghua.edu.cn/git/crates.io-index.git"
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EOF
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```
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## 交叉编译
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### 树梅派 Alpine armv7/armhf
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- 下载交叉编译工具
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```bash
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curl -LO https://musl.cc/armv7l-linux-musleabihf-cross.tgz
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tar zxf armv7l-linux-musleabihf-cross.tgz -C /opt/
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export PATH=/opt/armv7l-linux-musleabihf-cross/bin/:$PATH
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```
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- 配置 target
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```bash
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rustup target add armv7-unknown-linux-musleabihf
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cat >> ~/.cargo/config <<-EOF
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[target.armv7-unknown-linux-musleabihf]
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linker = "armv7l-linux-musleabihf-ld"
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EOF
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```
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- 编译
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```bash
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# 操作系统如果是 armv7，则需指定该 cflag 来禁用 fpu
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export CFLAGS='-mfpu=neon'
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export CC=armv7l-linux-musleabihf-gcc
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cargo build --target armv7-unknown-linux-musleabihf --release
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armv7l-linux-musleabihf-strip target/armv7-unknown-linux-musleabihf/release/{目标二进制文件}
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```
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### 树梅派 Alpine aarch64
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- 下载交叉编译工具
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```bash
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curl -LO https://musl.cc/aarch64-linux-musl-cross.tgz
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tar zxf aarch64-linux-musl-cross.tgz -C /opt/
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export PATH=/opt/aarch64-linux-musl-cross/bin/:$PATH
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```
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- 配置 target
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```bash
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rustup target add aarch64-unknown-linux-musl
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cat >> ~/.cargo/config <<-EOF
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[target.aarch64-unknown-linux-musl]
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linker = "aarch64-linux-musl-ld"
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EOF
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```
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- 编译
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```bash
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export CC=aarch64-linux-musl-gcc
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cargo build --target aarch64-unknown-linux-musl --release
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aarch64-linux-musl-strip target/aarch64-unknown-linux-musl/release/{目标二进制文件}
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```
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