FROM ubuntu:16.04
RUN apt-get update -y && apt-get install -y gcc gcc-aarch64-linux-gnu ca-certificates curl make
# 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 --retry 5 -L -o cmake.tar.gz \
https://github.com/Kitware/CMake/releases/download/v3.29.3/cmake-3.29.3-linux-x86_64.tar.gz && \
tar xf cmake.tar.gz && \
rm cmake.tar.gz
ENV PATH=$PATH:/cmake-3.29.3-linux-x86_64/bin
ENV PATH=$PATH:/rust/bin
ENV CARGO_BUILD_TARGET=aarch64-unknown-linux-gnu
ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc