dockcross/linux-x86/Dockerfile.in

FROM dockcross/base:latest

LABEL 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 \
    libtbb-dev:i386 \
    libstdc++6:i386 \
    libbz2-dev:i386 \
    libexpat1-dev:i386 \
    ncurses-dev: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
COPY ${CROSS_TRIPLE}-noop.sh ${CROSS_ROOT}/bin/${CROSS_TRIPLE}-noop.sh

# Create symlinks for x86_64 binaries that support x86 and x86_64 targets natively
RUN cd ${CROSS_ROOT}/bin && \
  ln -s /usr/bin/x86_64-linux-gnu-ar ${CROSS_TRIPLE}-ar && \
  ln -s /usr/bin/x86_64-linux-gnu-c++filt ${CROSS_TRIPLE}-c++filt && \
  ln -s /usr/bin/x86_64-linux-gnu-dwp ${CROSS_TRIPLE}-dwp && \
  ln -s /usr/bin/x86_64-linux-gnu-elfedit ${CROSS_TRIPLE}-elfedit && \
  ln -s /usr/bin/x86_64-linux-gnu-gcc-ar ${CROSS_TRIPLE}-gcc-ar && \
  ln -s /usr/bin/x86_64-linux-gnu-gcc-ar-10 ${CROSS_TRIPLE}-gcc-ar-10 && \
  ln -s /usr/bin/x86_64-linux-gnu-gcc-nm ${CROSS_TRIPLE}-gcc-nm && \
  ln -s /usr/bin/x86_64-linux-gnu-gcc-ranlib ${CROSS_TRIPLE}-gcc-ranlib && \
  ln -s /usr/bin/x86_64-linux-gnu-gcc-ranlib-10 ${CROSS_TRIPLE}-gcc-ranlib-10 && \
  ln -s /usr/bin/x86_64-linux-gnu-gcov ${CROSS_TRIPLE}-gcov && \
  ln -s /usr/bin/x86_64-linux-gnu-gcov-10 ${CROSS_TRIPLE}-gcov-10 && \
  ln -s /usr/bin/x86_64-linux-gnu-gcov-dump ${CROSS_TRIPLE}-gcov-dump && \
  ln -s /usr/bin/x86_64-linux-gnu-gcov-tool ${CROSS_TRIPLE}-gcov-tool && \
  ln -s /usr/bin/x86_64-linux-gnu-gcov-tool-10 ${CROSS_TRIPLE}-gcov-tool-10 && \
  ln -s /usr/bin/x86_64-linux-gnu-nm ${CROSS_TRIPLE}-nm && \
  ln -s /usr/bin/x86_64-linux-gnu-objcopy ${CROSS_TRIPLE}-objcopy && \
  ln -s /usr/bin/x86_64-linux-gnu-pkg-config ${CROSS_TRIPLE}-pkg-config && \
  ln -s /usr/bin/x86_64-linux-gnu-ranlib ${CROSS_TRIPLE}-ranlib && \
  ln -s /usr/bin/x86_64-linux-gnu-readelf ${CROSS_TRIPLE}-readelf && \
  ln -s /usr/bin/x86_64-linux-gnu-size ${CROSS_TRIPLE}-size && \
  ln -s /usr/bin/x86_64-linux-gnu-strings ${CROSS_TRIPLE}-strings && \
  ln -s /usr/bin/x86_64-linux-gnu-strip ${CROSS_TRIPLE}-strip

# Use x86_64-linux-gnu.sh to pass -m32 to binaries that support an emulation flag
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-cpp && \
  ln -s /usr/bin/x86_64-linux-gnu-as && \
  ln -s /usr/bin/x86_64-linux-gnu-ld && \
  ln -s /usr/bin/x86_64-linux-gnu-ld.gold && \
  ln -s /usr/bin/x86_64-linux-gnu-lto-dump-10 && \
  ln -s /usr/bin/x86_64-linux-gnu-objdump && \
  ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-gcc && \
  ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-cpp && \
  ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-g++ && \
  ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-ld && \
  ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-ld.gold && \
  ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-lto-dump-10 && \
  ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-objdump && \
  ln -s ${CROSS_TRIPLE}-as.sh ${CROSS_TRIPLE}-as && \
  ln -s ${CROSS_TRIPLE}-noop.sh ${CROSS_TRIPLE}-noop

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

COPY Toolchain.cmake /usr/lib/${CROSS_TRIPLE}/
ENV CMAKE_TOOLCHAIN_FILE /usr/lib/${CROSS_TRIPLE}/Toolchain.cmake

# Linux kernel cross compilation variables
ENV CROSS_COMPILE ${CROSS_TRIPLE}-
ENV ARCH x86

COPY linux32-entrypoint.sh /dockcross/
ENTRYPOINT ["/dockcross/linux32-entrypoint.sh"]

#include "common.label-and-env"