# Cross-compilation image for ARM64 based on Debian 12
# Uses multiarch to install ARM64 libraries on x86_64 host

FROM debian:12

# Install Rust toolchain
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    ca-certificates \
    && curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable \
    && rm -rf /var/lib/apt/lists/*

ENV PATH="/root/.cargo/bin:${PATH}"

# Add ARM64 architecture
RUN dpkg --add-architecture arm64

# Install cross-compiler and native build tools
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    pkg-config \
    cmake \
    nasm \
    git \
    libclang-dev \
    llvm \
    gcc-aarch64-linux-gnu \
    g++-aarch64-linux-gnu \
    libc6-dev-arm64-cross \
    && rm -rf /var/lib/apt/lists/*

# Install ARM64 development libraries
RUN apt-get update && apt-get install -y --no-install-recommends \
    libasound2-dev:arm64 \
    libv4l-dev:arm64 \
    libudev-dev:arm64 \
    zlib1g-dev:arm64 \
    libjpeg62-turbo-dev:arm64 \
    libyuv-dev:arm64 \
    libavcodec-dev:arm64 \
    libavformat-dev:arm64 \
    libavutil-dev:arm64 \
    libswscale-dev:arm64 \
    libswresample-dev:arm64 \
    libx264-dev:arm64 \
    libx265-dev:arm64 \
    libvpx-dev:arm64 \
    libopus-dev:arm64 \
    libva-dev:arm64 \
    libdrm-dev:arm64 \
    libx11-dev:arm64 \
    libxcb1-dev:arm64 \
    libxau-dev:arm64 \
    libxdmcp-dev:arm64 \
    && rm -rf /var/lib/apt/lists/*

# Add Rust target
RUN rustup target add aarch64-unknown-linux-gnu

# Configure environment for cross-compilation
ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc \
    CC_aarch64_unknown_linux_gnu=aarch64-linux-gnu-gcc \
    CXX_aarch64_unknown_linux_gnu=aarch64-linux-gnu-g++ \
    AR_aarch64_unknown_linux_gnu=aarch64-linux-gnu-ar \
    PKG_CONFIG_PATH=/usr/lib/aarch64-linux-gnu/pkgconfig \
    PKG_CONFIG_ALLOW_CROSS=1