Update Docker build setup for multiple Python versions

docker/build/Dockerfile

@@ -1,28 +1,16 @@
-FROM ubuntu:22.04
+FROM quay.io/pypa/manylinux2014_i686
 
-ARG sampgdk_version=4.6.2
-ARG pysamp_branch=main
+ARG sampgdk_ref=v4.6.2
+ARG pysamp_ref=v2.1.0-rc2
 ARG build_type=Release
-ARG job_count=4
 
 WORKDIR /root
-ENV DEBIAN_FRONTEND=noninteractive
 
 RUN \
-    dpkg --add-architecture i386 && \
-    apt-get update && \
-    apt-get install -y --no-install-recommends \
-        build-essential \
-        g++-multilib \
-        cmake \
-        git \
-        ca-certificates \
-        wget \
-    && \
     git clone \
         --depth 1 \
         --recursive \
-        --branch v${sampgdk_version} \
+        --branch ${sampgdk_ref} \
         https://github.com/Zeex/sampgdk \
     && \
     git clone \
@@ -33,26 +21,24 @@ RUN \
     git clone \
         --depth 1 \
         --recursive \
-        --branch ${pysamp_branch} \
+        --branch ${pysamp_ref} \
         https://github.com/pysamp/PySAMP \
     && \
     mkdir sampgdk/build && \
     ( \
         cd sampgdk/build && \
-        apt-get install -y --no-install-recommends python2 && \
-        wget https://bootstrap.pypa.io/pip/2.7/get-pip.py -O- | python2 && \
-        python2 -mpip install --user ply && \
+        curl https://bootstrap.pypa.io/pip/2.7/get-pip.py | python2 && \
+        python2 -mpip install --user ply==3.10 && \
         cmake \
             .. \
             -G 'Unix Makefiles' \
             -DCMAKE_BUILD_TYPE=${build_type} \
             -DSAMPSDK_DIR=../../samp-plugin-sdk \
             -DSAMPGDK_BUILD_AMALGAMATION=ON \
         && \
-        make && \
-        apt-get remove -y --purge python2 && \
-        rm -rf \
-            /usr/local/bin/* \
-            /usr/local/lib/python2.7 \
-    ) && \
-    apt-get install -y --no-install-recommends python3-dev:i386
+        make -j$(nproc) \
+    )
+
+WORKDIR /root/PySAMP
+COPY docker-entrypoint.sh /
+CMD ["/docker-entrypoint.sh"]

docker/build/build.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+docker build \
+    --platform linux/386 \
+    -t pysamp/build \
+    . \
+&&
+docker run \
+    --platform linux/386 \
+    --rm -ti \
+    -v $PWD:/root/output \
+    pysamp/build

docker/build/docker-entrypoint.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+targets=(
+    cp36-cp36m
+    cp37-cp37m
+    cp38-cp38
+    cp39-cp39
+    cp310-cp310
+    cp311-cp311
+)
+libs_archive=/opt/_internal/static-libs-for-embedding-only.tar.xz
+libcrypt_path=/usr/local/lib/libcrypt.so
+config="${CONFIG:-Release}"
+
+if [[ -e "${libs_archive}" ]]; then
+    (
+        cd /opt/_internal
+        tar xf "${libs_archive}"
+        rm "${libs_archive}"
+    )
+fi
+
+if grep '.so.2' "${libcrypt_path}"; then
+    # Force linking against libcrypt.so.1
+    cp "${libcrypt_path}"{.1,}
+    ldconfig
+fi
+
+for target in "${targets[@]}"; do
+    (
+        echo "Building for ${target}..."
+        export PATH="/opt/python/${target}/bin:${PATH}"
+        build_dir="build_${target}"
+        target_dir="../output/python3.$(python3 -c 'import sys; print(sys.version_info[1])')"
+        cmake \
+            -S src \
+            -B "build_${target}" \
+            -D SAMPSDK_DIR="${PWD}/../samp-plugin-sdk" \
+            -D SAMPGDK_DIR="${PWD}/../sampgdk" \
+            -D CMAKE_BUILD_TYPE="${config}" \
+        &&
+        cmake \
+            --build ${build_dir} \
+            --config "${config}" \
+            --parallel $(nproc) \
+        &&
+        mkdir -p ${target_dir} &&
+        cp "${build_dir}/PySAMP.so" ${target_dir}
+    )
+done