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

ENV XCC_PREFIX /usr/xcc
ENV CROSS_TRIPLE armv6-linux-musleabihf
ENV CROSS_ROOT ${XCC_PREFIX}/${CROSS_TRIPLE}-cross

RUN mkdir -p ${XCC_PREFIX}
RUN curl --max-time 15 --retry 5 -LO http://musl.cc/${CROSS_TRIPLE}-cross.tgz
RUN tar -C ${XCC_PREFIX} -xvf ${CROSS_TRIPLE}-cross.tgz

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

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

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

# Build-time metadata as defined at http://label-schema.org
ARG BUILD_DATE
ARG IMAGE=dockcross/linux-armv6-musl
ARG VERSION=latest
ARG VCS_REF
ARG VCS_URL
LABEL org.label-schema.build-date=$BUILD_DATE \
      org.label-schema.name=$IMAGE \
      org.label-schema.version=$VERSION \
      org.label-schema.vcs-ref=$VCS_REF \
      org.label-schema.vcs-url=$VCS_URL \
      org.label-schema.schema-version="1.0"
ENV DEFAULT_DOCKCROSS_IMAGE ${IMAGE}:${VERSION}