appartment-heater

Dockerfile

############################################################
## BASE IMAGE
############################################################
FROM ubuntu:latest as base

ARG DEBIAN_FRONTEND=noninteractive

RUN apt-get update && \
    apt-get install -y software-properties-common && \
    apt-add-repository universe && \
    apt-get update -y && \
    apt-get upgrade -y && \
    apt-get install -y \
    ## Various dependencies
    wget sudo cmake clang python3 zlib1g make git \
    ninja-build llvm libssl-dev pkg-config curl \
    ## ESP-IDF dependencies
    ## https://docs.espressif.com/projects/esp-idf/en/latest/get-started/linux-setup.html
    git wget flex bison gperf python3 python3-pip python3-setuptools \
    python3-serial python3-click python3-cryptography python3-future python3-pyparsing \
    python3-pyelftools cmake ninja-build ccache libffi-dev libssl-dev

ENV BUILD_ROOT /src/xtensa
ENV LLVM_BUILD ${BUILD_ROOT}/llvm_build
ENV RUST_BUILD ${BUILD_ROOT}/rust_build
ENV ESP32_IDF /xtensa-esp32-elf
# ENV ESP8266_IDF /xtensa-lx106-elf
ENV CC clang
ENV CXX clang++
ENV XARGO_RUST_SRC ${BUILD_ROOT}/rust-xtensa/src
ENV RUSTC ${RUST_BUILD}/bin/rustc

## Install rust & esptool
RUN cd / && \
    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs >rustup.sh && \
    chmod +x ./rustup.sh && \
    ./rustup.sh --default-toolchain nightly --profile default -y && \
    rm rustup.sh && \
    pip3 install esptool

############################################################
## LLVM builder
############################################################
FROM base as llvm-builder

## Build LLVM
## based on these build instructions
## http://quickhack.net/nom/blog/2019-05-14-build-rust-environment-for-esp32.html

RUN mkdir -p "${BUILD_ROOT}" && \
    cd "${BUILD_ROOT}" && \
    git clone https://github.com/espressif/llvm-project.git --depth 1 && \
    mkdir -p "${LLVM_BUILD}" && \
    cd "${LLVM_BUILD}" && \
    cmake ../llvm-project/llvm -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="Xtensa" -DLLVM_TARGETS_TO_BUILD="X86" -DCMAKE_BUILD_TYPE=Release -G "Ninja" && \
    cmake --build .

############################################################
## Rust xtensa builder
############################################################
FROM base as rust-xtensa-builder

COPY --from=llvm-builder ${BUILD_ROOT} ${BUILD_ROOT}

RUN mkdir -p "${BUILD_ROOT}" && \
    cd "${BUILD_ROOT}" && \
    git clone https://github.com/MabezDev/rust-xtensa.git --depth 1 && \
    cd "${BUILD_ROOT}/rust-xtensa" && \
    mkdir -p "${RUST_BUILD}" && \
    ./configure --llvm-root="${LLVM_BUILD}" --prefix="${RUST_BUILD}" && \
    ##
    ## Build the rust compiler
    python3 ./x.py build && \
    python3 ./x.py install


############################################################
## Esptool builder
############################################################
FROM base as esptool-builder

RUN cd / && \
    wget https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-80-g6c4433a-5.2.0.tar.gz && \
    tar xzf xtensa-esp32-elf-linux64-1.22.0-80-g6c4433a-5.2.0.tar.gz && \
    rm xtensa-esp32-elf-linux64-1.22.0-80-g6c4433a-5.2.0.tar.gz && \
    wget https://dl.espressif.com/dl/xtensa-lx106-elf-linux64-1.22.0-100-ge567ec7-5.2.0.tar.gz && \
    tar xzf xtensa-lx106-elf-linux64-1.22.0-100-ge567ec7-5.2.0.tar.gz && \
    rm xtensa-lx106-elf-linux64-1.22.0-100-ge567ec7-5.2.0.tar.gz

############################################################
## Exported builder
############################################################
FROM base as builder

COPY --from=rust-xtensa-builder ${RUST_BUILD} ${RUST_BUILD}
COPY --from=esptool-builder ${ESP32_IDF} ${ESP32_IDF}

## Setup Xargo
RUN $HOME/.cargo/bin/rustup toolchain link xtensa "${RUST_BUILD}" && \
    $HOME/.cargo/bin/rustup run xtensa rustc --print target-list | grep xtensa && \
    $HOME/.cargo/bin/cargo install xargo

## Setup path
ENV HOME /root
ENV PATH ${ESP8266_IDF}/bin:${ESP32_IDF}/bin:/usr/local/bin:${HOME}/.cargo/bin:$PATH

############################################################
## Test
############################################################
FROM builder

WORKDIR /
RUN git clone https://github.com/mtnmts/xtensa-rust-quickstart
WORKDIR /xtensa-rust-quickstart
RUN xargo build --release