ARG ORG=dockcross
FROM ${ORG}/base:latest

LABEL maintainer="Matt McCormick matt.mccormick@kitware.com"

# This is for 64-bit ARM Linux machine

# Buildroot version
# buildroot master 2021-09-20
ENV BR_VERSION d4877e6f88d5eea54dc74b855556ffc0dd3f399f

#include "common.buildroot"

# The cross-compiling emulator
RUN apt-get update \
&& apt-get install -y \
  qemu-user \
  qemu-user-static \
&& apt-get clean --yes

# The CROSS_TRIPLE is a configured alias of the "aarch64-buildroot-linux-gnu" target.
ENV CROSS_TRIPLE aarch64-buildroot-linux-gnu
ENV CROSS_ROOT /buildroot
ENV AS=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-as \
    AR=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-ar \
    CC=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-gcc \
    CPP=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-cpp \
    CXX=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-g++ \
    LD=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-ld \
    FC=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-gfortran

ENV QEMU_LD_PREFIX "${CROSS_ROOT}/${CROSS_TRIPLE}/sysroot"
ENV QEMU_SET_ENV "LD_LIBRARY_PATH=${CROSS_ROOT}/lib:${QEMU_LD_PREFIX}"

COPY Toolchain.cmake ${CROSS_ROOT}/
ENV CMAKE_TOOLCHAIN_FILE ${CROSS_ROOT}/Toolchain.cmake

#ENV PKG_CONFIG_PATH /usr/lib/aarch64-linux-gnu/pkgconfig

# Linux kernel cross compilation variables
ENV PATH ${PATH}:${CROSS_ROOT}/bin
ENV CROSS_COMPILE ${CROSS_TRIPLE}-
ENV ARCH arm64

#include "common.label-and-env"