1FROM ubuntu:20.04
2
3# Disable interactive prompts on package installation
4ENV DEBIAN_FRONTEND noninteractive
5
6# Dependencies to get the git sources and go binaries
7RUN apt-get update && apt-get install -y --no-install-recommends \
8 ca-certificates \
9 curl \
10 git \
11 rsync \
12 && apt-get clean \
13 && rm -rf /var/lib/apt/lists/*
14
15# Get the git sources. If not cached, this takes O(5 minutes).
16WORKDIR /git
17RUN git config --global advice.detachedHead false
18# Linux Kernel: Released 07 January 2024
19RUN git clone --branch v6.7 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
20# GNU C library: Released 1 Feb 2023
21RUN git clone --branch release/2.37/master --depth 1 https://sourceware.org/git/glibc.git
22
23# Get Go
24ENV GOLANG_VERSION 1.21.0
25ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
26ENV GOLANG_DOWNLOAD_SHA256 d0398903a16ba2232b389fb31032ddf57cac34efda306a0eebac34f0965a0742
27
28RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \
29 && echo "$GOLANG_DOWNLOAD_SHA256 golang.tar.gz" | sha256sum -c - \
30 && tar -C /usr/local -xzf golang.tar.gz \
31 && rm golang.tar.gz
32
33ENV PATH /usr/local/go/bin:$PATH
34
35# Linux and Glibc build dependencies and emulator
36RUN apt-get update && apt-get install -y --no-install-recommends \
37 bison gawk make python3 \
38 gcc gcc-multilib \
39 gettext texinfo \
40 qemu-user \
41 && apt-get clean \
42 && rm -rf /var/lib/apt/lists/*
43# Cross compilers (install recommended packages to get cross libc-dev)
44RUN apt-get update && apt-get install -y \
45 gcc-aarch64-linux-gnu gcc-arm-linux-gnueabi \
46 gcc-mips-linux-gnu gcc-mips64-linux-gnuabi64 \
47 gcc-mips64el-linux-gnuabi64 gcc-mipsel-linux-gnu \
48 gcc-powerpc-linux-gnu gcc-powerpc64-linux-gnu \
49 gcc-powerpc64le-linux-gnu gcc-riscv64-linux-gnu \
50 gcc-s390x-linux-gnu gcc-sparc64-linux-gnu \
51 && apt-get clean \
52 && rm -rf /var/lib/apt/lists/*
53
54# Only for loong64, getting tools of qemu-user and gcc-cross-compiler
55ENV LOONG64_BASE_URL https://github.com/loongson/build-tools/releases/download/2023.08.08
56ENV LOONG64_GCC CLFS-loongarch64-8.1-x86_64-cross-tools-gcc-glibc.tar.xz
57ENV LOONG64_QEMU qemu-loongarch64
58ENV LOONG64_GCC_DOWNLOAD_URL $LOONG64_BASE_URL/$LOONG64_GCC
59ENV LOONG64_QEMU_DOWNLOAD_URL $LOONG64_BASE_URL/$LOONG64_QEMU
60
61RUN apt-get update && apt-get install xz-utils -y && mkdir /loong64 && cd /loong64 \
62 && curl -fsSL "$LOONG64_QEMU_DOWNLOAD_URL" -o /usr/bin/"$LOONG64_QEMU" \
63 && chmod +x /usr/bin/"$LOONG64_QEMU" \
64 && curl -fsSL "$LOONG64_GCC_DOWNLOAD_URL" -o "$LOONG64_GCC" \
65 && tar xf "$LOONG64_GCC" -C /usr/local/ \
66 && ln -s /usr/local/cross-tools/bin/loongarch64-unknown-linux-gnu-gcc /usr/bin/loongarch64-linux-gnu-gcc \
67 && rm -rf /loong64
68
69# Let the scripts know they are in the docker environment
70ENV GOLANG_SYS_BUILD docker
71WORKDIR /build/unix
72ENTRYPOINT ["go", "run", "linux/mkall.go", "/git/linux", "/git/glibc"]
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