FROM thewtex/cross-compiler-base
MAINTAINER Matt McCormick "matt.mccormick@kitware.com"

RUN dpkg --add-architecture i386 && \
  apt-get update && apt-get -y install \
    gcc-multilib \
    g++-multilib \
    libc6:i386 \
    libstdc++6:i386

ENV CROSS_TRIPLE i686-linux-gnu
ENV CROSS_ROOT /usr/${CROSS_TRIPLE}
ENV PATH ${PATH}:${CROSS_ROOT}/bin
RUN mkdir -p ${CROSS_ROOT}/bin
COPY ${CROSS_TRIPLE}.sh ${CROSS_ROOT}/bin/${CROSS_TRIPLE}.sh
COPY ${CROSS_TRIPLE}-as.sh ${CROSS_ROOT}/bin/${CROSS_TRIPLE}-as.sh
RUN cd ${CROSS_ROOT}/bin && \
  chmod +x ${CROSS_TRIPLE}.sh && \
  ln -s /usr/bin/x86_64-linux-gnu-gcc && \
  ln -s /usr/bin/x86_64-linux-gnu-g++ && \
  ln -s /usr/bin/x86_64-linux-gnu-as && \
  ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-gcc && \
  ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-g++ && \
  ln -s ${CROSS_TRIPLE}-as.sh ${CROSS_TRIPLE}-as && \
  ln -s /usr/bin/x86_64-linux-gnu-ar ${CROSS_TRIPLE}-ar
ENV AS=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-as \
    AR=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-ar \
    CC=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-gcc \
    CXX=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-g++

# Note: Toolchain file support is currently in debian Experimental:
# https://wiki.debian.org/CrossToolchains#In_jessie_.28Debian_8.29
COPY Toolchain.cmake /usr/lib/${CROSS_TRIPLE}/
ENV CMAKE_TOOLCHAIN_FILE /usr/lib/${CROSS_TRIPLE}/Toolchain.cmake