FROM ubuntu:17.10 RUN apt-get update && apt-get install -y --no-install-recommends \ gcc libc6-dev qemu-user ca-certificates qemu-system-mips curl \ bzip2 RUN mkdir /toolchain # Note that this originally came from: # https://downloads.openwrt.org/snapshots/trunk/malta/generic/OpenWrt-Toolchain-malta-le_gcc-5.3.0_musl-1.1.15.Linux-x86_64.tar.bz2 RUN curl --retry 5 -L https://s3-us-west-1.amazonaws.com/rust-lang-ci2/libc/OpenWrt-Toolchain-malta-le_gcc-5.3.0_musl-1.1.15.Linux-x86_64.tar.bz2 | \ tar xjf - -C /toolchain --strip-components=2 ENV PATH=$PATH:/rust/bin:/toolchain/bin \ CC_mipsel_unknown_linux_musl=mipsel-openwrt-linux-gcc \ CARGO_TARGET_MIPSEL_UNKNOWN_LINUX_MUSL_LINKER=mipsel-openwrt-linux-gcc \ CARGO_TARGET_MIPSEL_UNKNOWN_LINUX_MUSL_RUNNER="qemu-mipsel -L /toolchain"