1FROM ubuntu:24.10
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 17 Nov 2024
19RUN git clone --branch v6.12 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
20# GNU C library: Released 21 July 2024
21RUN git clone --branch release/2.40/master --depth 1 https://sourceware.org/git/glibc.git
22
23# Get Go
24ENV GOLANG_VERSION=1.23.0
25ENV GOLANG_DOWNLOAD_URL=https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
26ENV GOLANG_DOWNLOAD_SHA256=905a297f19ead44780548933e0ff1a1b86e8327bb459e92f9c0012569f76f5e3
27
28RUN curl -fsSL "$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 gcc-loongarch64-linux-gnu \
52 && apt-get clean \
53 && rm -rf /var/lib/apt/lists/*
54
55# Let the scripts know they are in the docker environment
56ENV GOLANG_SYS_BUILD=docker
57WORKDIR /build/unix
58ENTRYPOINT ["go", "run", "linux/mkall.go", "/git/linux", "/git/glibc"]
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