# Build image: Ubuntu 20.04 (x86_64) with gcc-arm-none-eabi 4.9-2014q4, the toolchain the
# old Klyqa firmware (and libwlan.a) was built with. On Apple Silicon it runs emulated.
FROM ubuntu:20.04
ARG ARM_TOOLCHAIN=https://launchpad.net/gcc-arm-embedded/4.9/4.9-2014-q4-major/+download/gcc-arm-none-eabi-4_9-2014q4-20141203-linux.tar.bz2
ENV DEBIAN_FRONTEND=noninteractive
RUN dpkg --add-architecture i386 && apt-get update && apt-get -y --no-install-recommends install \
    ca-certificates build-essential libc6:i386 bzip2 git cmake ninja-build wget python3 && \
    wget -q $ARM_TOOLCHAIN -O /tmp/tc.tar.bz2 && tar -xf /tmp/tc.tar.bz2 -C /usr/local/ && rm /tmp/tc.tar.bz2 && \
    git config --system --add safe.directory /work && \
    apt-get clean && rm -rf /var/lib/apt/lists/*
ENV PATH=$PATH:/usr/local/gcc-arm-none-eabi-4_9-2014q4/bin
WORKDIR /work