2021-05-14 18:38:41 +02:00
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FROM bensuperpc/base:latest
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MAINTAINER Bensuperpc "bensuperpc@gmail.com"
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2021-05-08 03:09:06 +02:00
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# Enable 32 bits binaries
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RUN dpkg --add-architecture i386 && \
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apt-get update && \
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apt-get install -y libstdc++6:i386 libgcc1:i386 zlib1g:i386
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# The cross-compiling emulator
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RUN apt-get update && apt-get install -y \
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qemu-user \
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qemu-user-static
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ENV CROSS_TRIPLE arm-linux-gnueabihf
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ENV CROSS_ROOT /usr/${CROSS_TRIPLE}
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ENV AS=/usr/bin/${CROSS_TRIPLE}-as \
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AR=/usr/bin/${CROSS_TRIPLE}-ar \
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CC=/usr/bin/${CROSS_TRIPLE}-gcc \
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CPP=/usr/bin/${CROSS_TRIPLE}-cpp \
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CXX=/usr/bin/${CROSS_TRIPLE}-g++ \
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LD=/usr/bin/${CROSS_TRIPLE}-ld \
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FC=/usr/bin/${CROSS_TRIPLE}-gfortran
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# Raspberry Pi is ARMv6+VFP2, Debian armhf is ARMv7+VFP3
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# Since this Dockerfile is targeting linux-arm from Raspberry Pi onward,
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# we're sticking with it's custom built cross-compiler with hardfp support.
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# We could use Debian's armel, but we'd have softfp and loose a good deal
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# of performance.
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# See: https://wiki.debian.org/RaspberryPi
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# We are also using the 4.7 version of the toolchain, so that glibc=2.13
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# Instead of cloning the whole repo (>1GB at the of writing this), we want to do a so-called "sparse checkout" with "shallow cloning":
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# https://stackoverflow.com/questions/600079/is-there-any-way-to-clone-a-git-repositorys-sub-directory-only/13738951#13738951
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RUN mkdir rpi_tools && cd rpi_tools && git init && git remote add -f origin https://github.com/raspberrypi/tools && \
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git config core.sparseCheckout true && echo "arm-bcm2708/gcc-linaro-${CROSS_TRIPLE}-raspbian" >> .git/info/sparse-checkout && \
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git pull --depth=1 origin master && rsync -av arm-bcm2708/gcc-linaro-${CROSS_TRIPLE}-raspbian/ /usr/ && rm -rf ../rpi_tools
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# Allow dynamically linked executables to run with qemu-arm
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ENV QEMU_LD_PREFIX ${CROSS_ROOT}/libc
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ENV QEMU_SET_ENV "LD_LIBRARY_PATH=${CROSS_ROOT}/lib:${CROSS_ROOT}/libc/lib/${CROSS_TRIPLE}/"
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COPY Toolchain.cmake ${CROSS_ROOT}/
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ENV CMAKE_TOOLCHAIN_FILE ${CROSS_ROOT}/Toolchain.cmake
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# Linux kernel cross compilation variables
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ENV PATH ${PATH}:${CROSS_ROOT}/bin
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ENV CROSS_COMPILE ${CROSS_TRIPLE}-
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ENV ARCH arm
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#include "common.label-and-env"
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