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FROM ubuntu:19.04
RUN apt-get update && apt-get install -y --no-install-recommends \
gcc make libc6-dev git curl ca-certificates \
gcc-arm-linux-gnueabihf qemu-user
RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | tar xzf -
WORKDIR /musl-1.1.19
RUN CC=arm-linux-gnueabihf-gcc \
CFLAGS="-march=armv6 -marm -mfpu=vfp" \
./configure --prefix=/musl-arm --enable-wrapper=yes
RUN make install -j4
# Install linux kernel headers sanitized for use with musl
RUN curl --retry 5 -L https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
tar xzf - && \
cd kernel-headers-3.12.6-6 && \
make ARCH=arm prefix=/musl-arm install -j4 && \
cd .. && \
rm -rf kernel-headers-3.12.6-6
ENV PATH=$PATH:/musl-arm/bin:/rust/bin \
CC_arm_unknown_linux_musleabihf=musl-gcc \
CARGO_TARGET_ARM_UNKNOWN_LINUX_MUSLEABIHF_LINKER=musl-gcc \
CARGO_TARGET_ARM_UNKNOWN_LINUX_MUSLEABIHF_RUNNER="qemu-arm -L /musl-arm"
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