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FROM ubuntu:20.04
RUN apt-get update && apt-get install -y --no-install-recommends \
gcc libc6-dev qemu-user ca-certificates qemu-system-arm curl \
xz-utils patch
RUN mkdir /toolchain
RUN curl --retry 5 -L https://toolchains.bootlin.com/downloads/releases/toolchains/armv7-eabihf/tarballs/armv7-eabihf--uclibc--bleeding-edge-2021.11-1.tar.bz2 | \
tar xjf - -C /toolchain --strip-components=1
RUN /toolchain/relocate-sdk.sh
ENV PATH=$PATH:/rust/bin:/toolchain/bin \
STAGING_DIR=/toolchain/armv7-buildroot-linux-uclibceabihf/sysroot \
CC_armv7_unknown_linux_uclibc=armv7-buildroot-linux-uclibc-gcc \
CARGO_TARGET_ARMV7_UNKNOWN_LINUX_UCLIBCEABIHF_LINKER=armv7-buildroot-linux-uclibc-gcc \
CARGO_TARGET_ARMV7_UNKNOWN_LINUX_UCLIBCEABIHF_RUNNER="qemu-arm -L /toolchain/arm-buildroot-linux-uclibcgnueabihf/sysroot/"
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