cpython-devcontainers: Set up init files

Author: corona10

autoconf/Dockerfile

@@ -0,0 +1,42 @@
+FROM docker.io/library/alpine:3.19
+
+ARG AUTOCONF_VERSION="2.71"
+ARG AUTOCONF_ARCHIVE_VERSION="2023.02.20"
+ARG AUTOMAKE_VERSION="1.16.5"
+
+LABEL org.opencontainers.image.source="https://github.com/python/cpython-devcontainers"
+LABEL org.opencontainers.image.base.name="docker.io/library/alpine:3.19"
+LABEL org.opencontainers.image.authors="Donghee Na"
+LABEL org.opencontainers.image.title="GNU Autoconf ${AUTOCONF_VERSION} container for CPython"
+LABEL org.opencontainers.image.description="Container image with GNU Autoconf ${AUTOCONF_VERSION}, GNU Automake ${AUTOMAKE_VERSION}, and autoconf-archive ${AUTOCONF_ARCHIVE_VERSION} for generating CPython's configure script."
+
+RUN apk upgrade && \
+    apk add \
+        alpine-sdk \
+        autoconf \
+        automake \
+        xz
+RUN set -o pipefail \
+    && curl https://ftp.gnu.org/gnu/autoconf/autoconf-${AUTOCONF_VERSION}.tar.gz | tar -zxf - \
+    && cd autoconf-${AUTOCONF_VERSION} \
+    && ./configure --prefix=/usr/local \
+    && make \
+    && make install
+RUN set -o pipefail \
+    && curl https://ftp.gnu.org/gnu/automake/automake-${AUTOMAKE_VERSION}.tar.gz | tar -xzf - \
+    && cd automake-${AUTOMAKE_VERSION} \
+    && ./configure --prefix=/usr/local \
+    && make \
+    && make install
+RUN set -o pipefail \
+    && curl https://ftp.gnu.org/gnu/autoconf-archive/autoconf-archive-${AUTOCONF_ARCHIVE_VERSION}.tar.xz | xz -cd - | tar -xf - \
+    && cd autoconf-archive-${AUTOCONF_ARCHIVE_VERSION} \
+    && ./configure --prefix=/usr/local \
+    && make \
+    && make install
+
+VOLUME /src
+WORKDIR /src
+
+ADD entry.sh /
+CMD ["/entry.sh"]

autoconf/entry.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+set -e
+
+BIN=/usr/local/bin
+AUTOCONF=$BIN/autoconf
+AUTORECONF=$BIN/autoreconf
+
+if [ "$#" = "0" ]; then
+    SENTINEL=/src/pyconfig.h.in
+
+    if [ ! -e ${SENTINEL} ]; then
+        echo "ERROR: ${SENTINEL} not found "
+        echo "Did you forget to mount Python work directory with '-v.:/src'?"
+        echo
+        echo "  docker run -v\$PWD:/src ghcr.io/python/cpython-autoconf"
+        echo "  podman run -v\$PWD:/src:Z ghcr.io/python/cpython-autoconf"
+        exit 2
+    fi
+
+    echo "Rebuilding configure script using $($AUTOCONF --version | head -n 1)"
+    exec $AUTORECONF -ivf -Werror $@
+fi
+
+exec "$@"
+