FROM dockcross/base:latest
MAINTAINER Matt McCormick "matt.mccormick@kitware.com"

# Crosstool-ng version
# We use a git commit while waiting for 1.25 to release (1.24 is several years old)
# crosstool-ng master 2021-09-20
ENV CT_VERSION 5f5a22f7a7307790ec571d0c5acf8790416964e6

# This is for 32-bit ARMv6 Linux
# Raspberry Pi is ARMv6+VFP2
#include "common.crosstool"

# 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 "armv6-unknown-linux-gnueabihf" target.
ENV CROSS_TRIPLE armv6-unknown-linux-gnueabihf
ENV CROSS_ROOT ${XCC_PREFIX}/${CROSS_TRIPLE}
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/arm-linux-gnueabihf/

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

#include "common.label-and-env"