1FROM ubuntu:17.10
2
3RUN apt-get update && apt-get install -y --no-install-recommends \
4  gcc make libc6-dev git curl ca-certificates \
5  gcc-arm-linux-gnueabihf qemu-user
6
7RUN curl https://www.musl-libc.org/releases/musl-1.1.16.tar.gz | tar xzf -
8WORKDIR /musl-1.1.16
9RUN CC=arm-linux-gnueabihf-gcc \
10    CFLAGS="-march=armv6 -marm" \
11    ./configure --prefix=/musl-arm --enable-wrapper=yes
12RUN make install -j4
13
14# Install linux kernel headers sanitized for use with musl
15RUN \
16    curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-5.tar.gz | \
17    tar xzf - && \
18    cd kernel-headers-3.12.6-5 && \
19    make ARCH=arm prefix=/musl-arm install -j4 && \
20    cd .. && \
21    rm -rf kernel-headers-3.12.6-5
22ENV PATH=$PATH:/musl-arm/bin:/rust/bin \
23    CC_arm_unknown_linux_musleabihf=musl-gcc \
24    CARGO_TARGET_ARM_UNKNOWN_LINUX_MUSLEABIHF_LINKER=musl-gcc \
25    CARGO_TARGET_ARM_UNKNOWN_LINUX_MUSLEABIHF_RUNNER="qemu-arm -L /musl-arm"
26