FROM ubuntu:18.04
RUN apt-get update && apt-get install -y --no-install-recommends \
  gcc \
  ca-certificates \
  libc6-dev \
  gcc-arm-linux-gnueabihf \
  libc6-dev-armhf-cross \
  qemu-user \
  make \
  file
ENV CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc \
    CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_RUNNER="qemu-arm -L /usr/arm-linux-gnueabihf" \
    OBJDUMP=arm-linux-gnueabihf-objdump