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6da35660a9
Since we have to recompile kernels, might as well. Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
39 lines
1.3 KiB
Docker
39 lines
1.3 KiB
Docker
FROM linuxkit/alpine:349a817bdd6b293ca623ab97acf5377ccdeac7d2 AS kernel-build
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RUN apk add \
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argp-standalone \
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build-base \
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curl \
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diffutils \
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ncurses-dev \
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tar \
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xz
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ARG KERNEL_VERSIONS
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# There is no simple way to copy directories with wild cards as needed
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# for patches-*. Copy the entire dir instead.
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COPY / /
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# Unpack kernels (download if not present)
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RUN set -e && for VERSION in ${KERNEL_VERSIONS}; do \
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echo "Downloading/Unpacking $VERSION" && \
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KERNEL_SOURCE=https://www.kernel.org/pub/linux/kernel/v4.x/linux-${VERSION}.tar.xz && \
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[ -f sources/linux-${VERSION}.tar.xz ] || curl -fSLo sources/linux-${VERSION}.tar.xz ${KERNEL_SOURCE} && \
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tar xf sources/linux-${VERSION}.tar.xz; \
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done
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# Apply patches to all kernels and move config files into place
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RUN for VERSION in ${KERNEL_VERSIONS}; do \
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SERIES=${VERSION%.*}.x && \
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echo "Patching $VERSION" && \
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cd /linux-${VERSION} && \
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set -e && for patch in /patches-${SERIES}/*.patch; do \
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echo "Applying $patch" && \
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patch -p1 < "$patch"; \
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done && \
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mv /kernel_config-${SERIES}-x86_64 arch/x86/configs/x86_64_defconfig && \
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mv /kernel_config-${SERIES}-aarch64 arch/arm64/configs/defconfig; \
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done
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ENTRYPOINT ["/bin/sh"]
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