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linux-x86: Add toolchain file and install libc6 and stdc++6 32-bit libraries
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@ -4,18 +4,31 @@ MAINTAINER Matt McCormick "matt.mccormick@kitware.com"
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RUN dpkg --add-architecture i386 && \
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RUN dpkg --add-architecture i386 && \
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apt-get update && apt-get -y install \
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apt-get update && apt-get -y install \
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gcc-multilib \
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gcc-multilib \
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g++-multilib
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g++-multilib \
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libc6:i386 \
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libstdc++6:i386
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ENV CROSS_TRIPLE i686-linux-gnu
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ENV CROSS_TRIPLE i686-linux-gnu
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ENV CROSS_ROOT /usr/${CROSS_TRIPLE}
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ENV CROSS_ROOT /usr/${CROSS_TRIPLE}
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ENV PATH ${PATH}:${CROSS_ROOT}/bin
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ENV PATH ${PATH}:${CROSS_ROOT}/bin
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RUN mkdir -p ${CROSS_ROOT}/bin
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RUN mkdir -p ${CROSS_ROOT}/bin
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COPY ${CROSS_TRIPLE}.sh ${CROSS_ROOT}/bin/${CROSS_TRIPLE}.sh
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COPY ${CROSS_TRIPLE}.sh ${CROSS_ROOT}/bin/${CROSS_TRIPLE}.sh
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COPY ${CROSS_TRIPLE}-as.sh ${CROSS_ROOT}/bin/${CROSS_TRIPLE}-as.sh
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RUN cd ${CROSS_ROOT}/bin && \
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RUN cd ${CROSS_ROOT}/bin && \
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chmod +x ${CROSS_TRIPLE}.sh && \
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chmod +x ${CROSS_TRIPLE}.sh && \
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ln -s /usr/bin/x86_64-linux-gnu-gcc && \
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ln -s /usr/bin/x86_64-linux-gnu-gcc && \
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ln -s /usr/bin/x86_64-linux-gnu-g++ && \
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ln -s /usr/bin/x86_64-linux-gnu-g++ && \
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ln -s /usr/bin/x86_64-linux-gnu-as && \
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ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-gcc && \
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ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-gcc && \
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ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-g++
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ln -s ${CROSS_TRIPLE}.sh ${CROSS_TRIPLE}-g++ && \
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ENV CC=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-gcc \
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ln -s ${CROSS_TRIPLE}-as.sh ${CROSS_TRIPLE}-as && \
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ln -s /usr/bin/x86_64-linux-gnu-ar ${CROSS_TRIPLE}-ar
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ENV AS=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-as \
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AR=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-ar \
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CC=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-gcc \
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CXX=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-g++
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CXX=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-g++
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# Note: Toolchain file support is currently in debian Experimental:
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# https://wiki.debian.org/CrossToolchains#In_jessie_.28Debian_8.29
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COPY Toolchain.cmake /usr/lib/${CROSS_TRIPLE}/
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ENV CMAKE_TOOLCHAIN_FILE /usr/lib/${CROSS_TRIPLE}/Toolchain.cmake
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20
linux-x86/Toolchain.cmake
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20
linux-x86/Toolchain.cmake
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@ -0,0 +1,20 @@
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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_VERSION 1)
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set(CMAKE_SYSTEM_PROCESSOR i686)
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# Setting these is not needed because the -m32 flag is already
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# associated with the ${cross_triple}-gcc wrapper script.
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#set(CMAKE_CXX_COMPILER_ARG1 "-m32")
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#set(CMAKE_C_COMPILER_ARG1 "-m32")
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set(cross_triple "i686-linux-gnu")
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set(CMAKE_C_COMPILER /usr/${cross_triple}/bin/${cross_triple}-gcc)
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set(CMAKE_CXX_COMPILER /usr/${cross_triple}/bin/${cross_triple}-g++)
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set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
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set(CMAKE_AR /usr/${cross_triple}/bin/${cross_triple}-ar)
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# Prevent 64-bit libraries from being discovered
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set(CMAKE_IGNORE_PATH /usr/lib/x86_64-linux-gnu/ /usr/lib/x86_64-linux-gnu/lib/)
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set(CMAKE_CROSSCOMPILING_EMULATOR sh -c)
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2
linux-x86/i686-linux-gnu-as.sh
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2
linux-x86/i686-linux-gnu-as.sh
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@ -0,0 +1,2 @@
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#!/bin/bash
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exec ${0/${CROSS_TRIPLE}-/x86_64-linux-gnu-} --32 "$@"
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