FROM ubuntu:18.10 # Dependencies to get the git sources and go binaries RUN apt-get update && apt-get install -y --no-install-recommends \ ca-certificates \ curl \ git \ && apt-get clean \ && rm -rf /var/lib/apt/lists/* # Get the git sources. If not cached, this takes O(5 minutes). WORKDIR /git RUN git config --global advice.detachedHead false # Linux Kernel: Released 03 Mar 2019 RUN git clone --branch v5.0 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux # GNU C library: Released 01 Feb 2019 (we should try to get a secure way to clone this) RUN git clone --branch release/2.29/master --depth 1 git://sourceware.org/git/glibc.git # Get Go ENV GOLANG_VERSION 1.12 ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz ENV GOLANG_DOWNLOAD_SHA256 750a07fef8579ae4839458701f4df690e0b20b8bcce33b437e4df89c451b6f13 RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \ && echo "$GOLANG_DOWNLOAD_SHA256 golang.tar.gz" | sha256sum -c - \ && tar -C /usr/local -xzf golang.tar.gz \ && rm golang.tar.gz ENV PATH /usr/local/go/bin:$PATH # Linux and Glibc build dependencies and emulator RUN apt-get update && apt-get install -y --no-install-recommends \ bison gawk make python3 \ gcc gcc-multilib \ gettext texinfo \ qemu-user \ && apt-get clean \ && rm -rf /var/lib/apt/lists/* # Cross compilers (install recommended packages to get cross libc-dev) RUN apt-get update && apt-get install -y \ gcc-aarch64-linux-gnu gcc-arm-linux-gnueabi \ gcc-mips-linux-gnu gcc-mips64-linux-gnuabi64 \ gcc-mips64el-linux-gnuabi64 gcc-mipsel-linux-gnu \ gcc-powerpc64-linux-gnu gcc-powerpc64le-linux-gnu \ gcc-riscv64-linux-gnu \ gcc-s390x-linux-gnu gcc-sparc64-linux-gnu \ && apt-get clean \ && rm -rf /var/lib/apt/lists/* # Let the scripts know they are in the docker environment ENV GOLANG_SYS_BUILD docker WORKDIR /build ENTRYPOINT ["go", "run", "linux/mkall.go", "/git/linux", "/git/glibc"]