FROM ubuntu:16.04

RUN apt-get update -y && apt-get install -y gcc gcc-arm-linux-gnueabihf ca-certificates curl make git ninja-build
RUN git config --global --add safe.directory '*'

# The CMake in Ubuntu 16.04 was a bit too old for us to use so download one from
# CMake's own releases and use that instead.
RUN curl -L https://github.com/Kitware/CMake/releases/download/v3.29.3/cmake-3.29.3-linux-x86_64.tar.gz | tar xzf -
ENV PATH=$PATH:/cmake-3.29.3-linux-x86_64/bin

ENV CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc