Dockerfile.artifact

# Usage:
# docker buildx build \
#   -o /tmp/slirpbuilds \
#   --build-arg SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct) \
#   --platform=amd64,arm64,arm,s390x,ppc64le,riscv64 \
#   -f Dockerfile.artifact .

ARG LIBSLIRP_COMMIT=v4.7.0
ARG UBUNTU_VERSION=jammy-20240125
ARG XX_VERSION=1.2.1@sha256:8879a398dedf0aadaacfbd332b29ff2f84bc39ae6d4e9c0a1109db27ac5ba012
ARG REPRO_SOURCES_LIST_VERSION=v0.1.0

FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx

FROM --platform=$BUILDPLATFORM ubuntu:${UBUNTU_VERSION} AS build-libslirp
ARG REPRO_SOURCES_LIST_VERSION
ADD --chmod=0755 \
  https://raw.githubusercontent.com/reproducible-containers/repro-sources-list.sh/${REPRO_SOURCES_LIST_VERSION}/repro-sources-list.sh \
  /usr/local/bin/repro-sources-list.sh
ENV DEBIAN_FRONTEND=noninteractive
RUN \
  --mount=type=cache,target=/var/cache/apt,sharing=locked \
  --mount=type=cache,target=/var/lib/apt,sharing=locked \
  repro-sources-list.sh && \
  apt-get update && \
  apt-get install -y apt-utils automake autotools-dev file make git ninja-build meson
# Set SOURCE_DATE_EPOCH after running repro-sources-list.sh, for cache efficiency
ARG SOURCE_DATE_EPOCH
RUN git clone https://git.qemu.org/libslirp.git /libslirp
WORKDIR /libslirp
ARG LIBSLIRP_COMMIT
RUN  git pull && git checkout ${LIBSLIRP_COMMIT}
COPY --from=xx / /
ARG TARGETPLATFORM
# xx-apt-get cannot be used, as it clobbers /etc/apt/sources.list created by repro-sources-list.sh
RUN \
  --mount=type=cache,target=/var/cache/apt,sharing=locked \
  --mount=type=cache,target=/var/lib/apt,sharing=locked \
  darch="$(xx-info debian-arch)" && \
  dpkg --add-architecture ${darch} && \
  apt-get update && \
  gcc="gcc" && \
  if xx-info is-cross; then gcc="gcc-$(xx-info triple)"; fi; \
  apt-get install -y "${gcc}" "libglib2.0-dev:${darch}" "libcap-dev:${darch}" "libseccomp-dev:${darch}"
COPY Dockerfile.artifact.d/meson-cross /meson-cross
RUN meson_setup_flags="--default-library=both" ; \
 if xx-info is-cross; then meson_setup_flags="${meson_setup_flags} --cross-file=/meson-cross/$(xx-info) -Dprefix=/usr/local/$(xx-info)"; fi ; \
 meson setup ${meson_setup_flags} build && ninja -C build install

FROM build-libslirp AS build
COPY . /src
WORKDIR /src
RUN ./autogen.sh && \
  ./configure LDFLAGS="-static" --host=$(xx-info) && \
  make && \
  $(xx-info)-strip slirp4netns && \
  xx-verify --static slirp4netns && \
  cp -a slirp4netns /

FROM scratch
COPY --from=build /slirp4netns /slirp4netns