| 1 | # |
| 2 | # Docker toolchain cross-compiler |
| 3 | # |
| 4 | # This dockerfile is used for building a cross-compiler toolchain. |
| 5 | # The script for building the toolchain is supplied via extra-files. |
| 6 | # |
| 7 | FROM docker.io/library/debian:13-slim |
| 8 | |
| 9 | # Install build utilities for building gcc and glibc. |
| 10 | # ??? The build-dep isn't working, missing a number of |
| 11 | # minimal build dependiencies, e.g. libmpc. |
| 12 | |
| 13 | # Add deb-src repository sources |
| 14 | RUN sed -i "s/^Types: deb$/Types: deb deb-src/" \ |
| 15 | /etc/apt/sources.list.d/debian.sources |
| 16 | |
| 17 | RUN apt update && \ |
| 18 | DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata && \ |
| 19 | DEBIAN_FRONTEND=noninteractive eatmydata \ |
| 20 | apt install -y --no-install-recommends \ |
| 21 | bison \ |
| 22 | ca-certificates \ |
| 23 | flex \ |
| 24 | gawk \ |
| 25 | libmpc-dev \ |
| 26 | libmpfr-dev \ |
| 27 | rsync \ |
| 28 | wget && \ |
| 29 | DEBIAN_FRONTEND=noninteractive eatmydata \ |
| 30 | apt build-dep -yy --arch-only gcc glibc |
| 31 | |
| 32 | ADD build-toolchain.sh /root/build-toolchain.sh |
| 33 | |
| 34 | RUN cd /root && ./build-toolchain.sh |
| 35 | |
| 36 | # Throw away the extra toolchain build deps, the downloaded source, |
| 37 | # and the build trees by restoring the original image, |
| 38 | # then copying the built toolchain from stage 0. |
| 39 | FROM docker.io/library/debian:13-slim |
| 40 | RUN apt update && \ |
| 41 | DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata && \ |
| 42 | DEBIAN_FRONTEND=noninteractive eatmydata \ |
| 43 | apt install -y --no-install-recommends \ |
| 44 | libmpc3 |
| 45 | COPY --from=0 /usr/local /usr/local |
| 46 | # As a final step configure the user (if env is defined) |
| 47 | ARG USER |
| 48 | ARG UID |
| 49 | RUN if [ "${USER}" ]; then \ |
| 50 | id ${USER} 2>/dev/null || useradd -u ${UID} -U ${USER}; fi |