87 lines
4.5 KiB
Docker
87 lines
4.5 KiB
Docker
# syntax=docker/dockerfile:1.4
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FROM --platform=linux/amd64 ubuntu:20.04
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# 1. 环境变量
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ENV DEBIAN_FRONTEND=noninteractive \
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PATH="/opt/toolchain/bin:/root/.cargo/bin:${PATH}" \
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PKG_CONFIG_ALLOW_CROSS=1 \
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PKG_CONFIG_SYSROOT_DIR=/opt/sysroot \
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PKG_CONFIG_LIBDIR=/opt/sysroot/usr/lib/pkgconfig:/opt/sysroot/lib/pkgconfig \
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CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc \
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CC_armv7_unknown_linux_gnueabihf="arm-linux-gnueabihf-gcc --sysroot=/opt/sysroot"
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# 2. 基础依赖与多架构源
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RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
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--mount=type=cache,target=/var/lib/apt,sharing=locked \
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sed -i 's/archive.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list && \
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sed -i 's/security.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list && \
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sed -i 's/deb http/deb [arch=amd64] http/g' /etc/apt/sources.list && \
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echo "deb [arch=armhf] http://mirrors.aliyun.com/ubuntu-ports/ focal main restricted universe multiverse" > /etc/apt/sources.list.d/armhf.list && \
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echo "deb [arch=armhf] http://mirrors.aliyun.com/ubuntu-ports/ focal-updates main restricted universe multiverse" >> /etc/apt/sources.list.d/armhf.list && \
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dpkg --add-architecture armhf && \
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apt-get update && apt-get install -y --no-install-recommends \
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ca-certificates curl git build-essential qemu-user-static pkg-config libssl-dev xz-utils squashfs-tools \
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crossbuild-essential-armhf libasound2-dev:armhf libopus-dev:armhf libssl-dev:armhf && \
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# 删除 lists 文件以减小体积
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rm -rf /var/lib/apt/lists/*
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# 3. 工具链
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RUN mkdir -p /opt/toolchain && \
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curl -fSL https://releases.linaro.org/components/toolchain/binaries/latest-7/arm-linux-gnueabihf/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.xz | tar -xJ -C /opt/toolchain --strip-components=1 && \
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curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable && \
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rustup target add armv7-unknown-linux-gnueabihf
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WORKDIR /app
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# 4. 脚本与 Rootfs
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COPY run.sh runtime.sh /usr/local/bin/
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RUN chmod +x /usr/local/bin/run.sh /usr/local/bin/runtime.sh
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# --------------------------------------------------------------------------------
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# 5. 构建混合 Sysroot
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# 目标：结合 OpenWrt 的运行时库 (root.squashfs) 和 Toolchain/Ubuntu 的开发文件
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# --------------------------------------------------------------------------------
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RUN --mount=type=bind,source=root.squashfs,target=/app/root.squashfs \
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set -ex; \
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# 1. 解压缩并创建基础目录
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mkdir -p /opt/sysroot && unsquashfs -d /opt/sysroot -f /app/root.squashfs; \
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mkdir -p /opt/sysroot/usr/lib/pkgconfig /opt/sysroot/usr/include /opt/sysroot/lib; \
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\
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# 2. 补全启动文件和 nonshared 库
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TC_LIBC_DIR="/opt/toolchain/arm-linux-gnueabihf/libc"; \
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if [ -d "$TC_LIBC_DIR" ]; then \
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find "$TC_LIBC_DIR/usr/lib" -name "*crt*.o" -exec cp -t /opt/sysroot/usr/lib/ {} +; \
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find "$TC_LIBC_DIR/usr/lib" \( -name "libc_nonshared.a" -o -name "libpthread_nonshared.a" \) \
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-exec cp -t /opt/sysroot/usr/lib/ {} +; \
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fi; \
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\
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# 3. 自动修复所有 .so 软链接
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find /opt/sysroot/lib /opt/sysroot/usr/lib -name "lib*.so.*" | while read src; do \
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link_name=$(echo "$src" | sed 's/\.so\..*$/.so/'); \
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if [ ! -e "$link_name" ]; then \
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ln -s "$(basename "$src")" "$link_name"; \
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fi \
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done; \
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\
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# 4. 生成 libc.so Linker Script
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rm -f /opt/sysroot/usr/lib/libc.so; \
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printf "OUTPUT_FORMAT(elf32-littlearm)\nGROUP ( /lib/libc.so.6 /usr/lib/libc_nonshared.a AS_NEEDED ( /lib/ld-linux-armhf.so.3 ) )\n" > /opt/sysroot/usr/lib/libc.so; \
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\
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# 5. 注入 Ubuntu 的开发头文件和 PC 文件
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if [ -d /usr/lib/arm-linux-gnueabihf/pkgconfig ]; then \
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find /usr/lib/arm-linux-gnueabihf/pkgconfig/ -name "*.pc" -exec cp -t /opt/sysroot/usr/lib/pkgconfig/ {} +; \
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fi; \
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cp -r /usr/include/alsa /opt/sysroot/usr/include/ 2>/dev/null || true; \
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cp -r /usr/include/opus /opt/sysroot/usr/include/ 2>/dev/null || true; \
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[ -d /usr/include/arm-linux-gnueabihf ] && cp -r /usr/include/arm-linux-gnueabihf/* /opt/sysroot/usr/include/ 2>/dev/null || true
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# 6. Rust 编译参数
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ENV CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_RUSTFLAGS="\
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-C link-arg=--sysroot=/opt/sysroot \
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-C link-arg=-Wl,-dynamic-linker,/lib/ld-linux-armhf.so.3 \
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-C link-arg=-L/opt/sysroot/usr/lib \
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-C link-arg=-L/opt/sysroot/lib \
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-C link-arg=-Wl,-rpath-link,/opt/sysroot/usr/lib \
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-C link-arg=-Wl,-rpath-link,/opt/sysroot/lib"
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CMD ["/bin/bash"] |