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0848dfc264
Set the ARCH, CROSS_COMPILE and PATH variables to support Linux kernel cross compilation. ARCH is set according to: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/arch?h=v5.2.2 PATH is set to include the cross toolchain path, which is used by the kernel Makefile. CROSS_COMPILE is the CROSS_TRIPLE with a dash appended, as the kernel Makefile uses it to invoke the toolchain utils. To build the kernel, depending on the config, libssl-dev and libelf-dev are required. Those are not dealt in this commit as they are not correlated to the environment variables. Validated by build the kernel using default kernel config when possible, otherwise randomly select a defconfig. <arch> - <defconfig> arm64 - defconfig armv5 and armv5-musl - colibri_pxa270_defconfig armv6 - bcm2835_defconfig armv7 and armv7a- tegra_defconfig *x86 - i386_defconfig mips and mipsel - ath79_defconfig ppc64le - wii_defconfig s390x - defconfig x64 - x86_64_defconfig * x86 dockcross toolchain does not provide "ld" and compilation fails. fix #160
52 lines
1.6 KiB
Docker
52 lines
1.6 KiB
Docker
FROM dockcross/base:latest
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MAINTAINER Matt McCormick "matt.mccormick@kitware.com"
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# This is for 32-bit ARMv7 Linux
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#include "common.crosstool"
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# The cross-compiling emulator
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RUN apt-get update \
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&& apt-get install -y \
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qemu-user \
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qemu-user-static \
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&& apt-get clean --yes
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# The CROSS_TRIPLE is a configured alias of the "aarch64-unknown-linux-gnueabi" target.
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ENV CROSS_TRIPLE armv7-unknown-linux-gnueabi
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ENV CROSS_ROOT ${XCC_PREFIX}/${CROSS_TRIPLE}
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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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CPP=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-cpp \
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CXX=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-g++ \
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LD=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-ld \
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FC=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-gfortran
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ENV QEMU_LD_PREFIX "${CROSS_ROOT}/${CROSS_TRIPLE}/sysroot"
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ENV QEMU_SET_ENV "LD_LIBRARY_PATH=${CROSS_ROOT}/lib:${QEMU_LD_PREFIX}"
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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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ENV PKG_CONFIG_PATH /usr/lib/arm-linux-gnueabihf/
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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 ${CROSS_TRIPLE}-
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ENV ARCH arm
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# Build-time metadata as defined at http://label-schema.org
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ARG BUILD_DATE
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ARG IMAGE=dockcross/linux-armv7
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ARG VERSION=latest
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ARG VCS_REF
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ARG VCS_URL
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LABEL org.label-schema.build-date=$BUILD_DATE \
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org.label-schema.name=$IMAGE \
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org.label-schema.version=$VERSION \
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org.label-schema.vcs-ref=$VCS_REF \
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org.label-schema.vcs-url=$VCS_URL \
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org.label-schema.schema-version="1.0"
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ENV DEFAULT_DOCKCROSS_IMAGE ${IMAGE}:${VERSION}
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