Dockerfile.linux

FROM ubuntu:22.04
ARG TRIPLE=x86_64-linux-musl
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y \
    autoconf automake autopoint libtool pkg-config git curl ca-certificates \
    make xz-utils dpkg-dev patch && rm -rf /var/lib/apt/lists/*
# musl cross toolchain. musl.cc (and its more.musl.cc mirror) are unreachable
# from GitHub Actions runners, so pull from our own vendored copy on the repo's
# "musl-toolchains" release first (reliable from Actions), keeping musl.cc as a
# best-effort fallback. Fetch to a file with retries and a stalled-transfer
# abort, and extract only after a clean download.
RUN set -eu; \
    ok=0; \
    for url in \
      "https://github.com/motrixapp/aria2/releases/download/musl-toolchains/${TRIPLE}-cross.tgz" \
      "https://musl.cc/${TRIPLE}-cross.tgz" \
      "https://more.musl.cc/11/x86_64-linux-musl/${TRIPLE}-cross.tgz"; do \
      echo "Fetching musl toolchain: $url"; \
      if curl -fL --retry 5 --retry-delay 3 --retry-all-errors --retry-connrefused \
           --connect-timeout 30 --speed-limit 1 --speed-time 30 \
           -o /tmp/toolchain.tgz "$url" && tar xzf /tmp/toolchain.tgz -C /opt; then \
        ok=1; rm -f /tmp/toolchain.tgz; break; \
      fi; \
      rm -f /tmp/toolchain.tgz; \
    done; \
    [ "$ok" = 1 ] || { echo "musl toolchain download failed from all mirrors" >&2; exit 1; }
# The vendored toolchain ships libtool archives (*.la) whose libdir points at a
# nonexistent build-time path (/<triple>/lib); libtool follows it when resolving
# -latomic for aria2's link and errors. Drop them so -l resolves to the .a/.so.
RUN find /opt -name '*.la' -delete
ENV PATH=/opt/${TRIPLE}-cross/bin:$PATH
ENV CC=${TRIPLE}-gcc CXX=${TRIPLE}-g++ \
    AR=${TRIPLE}-ar RANLIB=${TRIPLE}-ranlib STRIP=${TRIPLE}-strip
ENV PREFIX=/usr/local/${TRIPLE}
# Static deps: zlib, c-ares, expat, sqlite3, openssl, libssh2, libgmp
COPY scripts/ci/deps.env /deps.env
COPY patches /patches
COPY scripts/ci/build-linux-deps.sh /build-linux-deps.sh
RUN sh /build-linux-deps.sh "${TRIPLE}"
COPY . /aria2
WORKDIR /aria2
# 32-bit arm resolves 64-bit atomics (openssl threads_pthread.c: __atomic_*_8)
# via libatomic, not compiler intrinsics; link it on arm for aria2's final link.
RUN set -eu; \
    case "${TRIPLE}" in arm*) ATOMIC=-latomic ;; *) ATOMIC= ;; esac; \
    autoreconf -fi && ./configure \
      --host=${TRIPLE} \
      --enable-static --disable-shared --disable-nls \
      --with-openssl --without-gnutls --without-appletls \
      --with-libz --with-libcares --with-libexpat --with-sqlite3 \
      --with-libssh2 --with-libgmp --without-libxml2 \
      CFLAGS="-Os -I$PREFIX/include" CXXFLAGS="-Os -I$PREFIX/include" \
      ARIA2_STATIC=yes \
      LDFLAGS="-L$PREFIX/lib $ATOMIC" \
      PKG_CONFIG_PATH= PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig:$PREFIX/share/pkgconfig" \
      PKG_CONFIG="pkg-config --static" && \
    make -j"$(nproc)" && ${TRIPLE}-strip src/aria2c