ci: build wheel

.github/actions/setup-mapnik/action.yml

@@ -0,0 +1,13 @@
+name: Setup Mapnik build env
+description: Configure cibuildwheel env vars for Mapnik builds
+runs:
+  using: composite
+  steps:
+    - name: Export cibuildwheel env vars
+      shell: bash
+      run: |
+        {
+          echo "CIBW_BUILD_FRONTEND=pip"
+          echo "CIBW_ENVIRONMENT_LINUX=PKG_CONFIG_PATH=/usr/lib64/pkgconfig:/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/lib64/pkgconfig:/opt/lib/pkgconfig:\$PKG_CONFIG_PATH"
+          echo "CIBW_BEFORE_ALL_LINUX=bash .github/actions/setup-mapnik/setup-manylinux.sh"
+        } >> "$GITHUB_ENV"

.github/actions/setup-mapnik/setup-manylinux.sh

@@ -0,0 +1,351 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+BOOST_VER=1.83.0
+BOOST_VER_UNDERSCORE=1_83_0
+PROJ_VER=9.7.1
+GDAL_VER=3.12.1
+HARFBUZZ_VER=12.3.0
+MAPNIK_VER=4.2.0
+
+log() {
+  echo ">> $*"
+}
+
+has_pkg_config() {
+  pkg-config --exists "$1" 2>/dev/null
+}
+
+version_ge() {
+  [ "$(printf '%s\n%s\n' "$2" "$1" | sort -V | head -n1)" = "$2" ]
+}
+
+has_pkg_config_version() {
+  local name="$1"
+  local min_version="$2"
+  local version
+  version="$(pkg-config --modversion "$name" 2>/dev/null || true)"
+  [ -n "$version" ] && version_ge "$version" "$min_version"
+}
+
+find_mapnik_pc() {
+  log "libmapnik.pc locations (if any):"
+  find /usr /opt /usr/local -name "libmapnik.pc" -print 2>/dev/null || true
+}
+
+install_with_apt() {
+  mkdir -p /etc/apt/sources.list.d /etc/apt/preferences.d
+  echo "deb http://deb.debian.org/debian sid main" >> /etc/apt/sources.list.d/sid.list
+  echo 'Package: *
+  Pin: release a=sid
+  Pin-Priority: 100' > /etc/apt/preferences.d/sid
+  apt-get update
+  # Install base build dependencies including OpenSSL and Boost
+  apt-get install -y \
+    build-essential \
+    pkg-config \
+    libbz2-dev \
+    libssl-dev \
+    libboost-dev \
+    libboost-filesystem-dev \
+    libboost-program-options-dev \
+    libboost-regex-dev \
+    libboost-system-dev
+  # Install Mapnik from sid (this will pull in most other dependencies)
+  apt-get install -y -t sid libmapnik-dev
+}
+
+detect_dnf() {
+  if command -v dnf >/dev/null 2>&1; then
+    echo "dnf"
+    return
+  fi
+  if command -v yum >/dev/null 2>&1; then
+    echo "yum"
+    return
+  fi
+  return 1
+}
+
+prepare_dnf() {
+  local dnf_bin="$1"
+  if command -v dnf >/dev/null 2>&1; then
+    dnf install -y dnf-plugins-core
+    # Enable repo variants across EL8/EL9.
+    dnf config-manager --set-enabled powertools || true
+    dnf config-manager --set-enabled crb || true
+  else
+    yum install -y yum-utils || true
+  fi
+  "$dnf_bin" install -y epel-release || true
+}
+
+install_base_deps_dnf() {
+  local dnf_bin="$1"
+  "$dnf_bin" install -y \
+    bzip2-devel \
+    gcc gcc-c++ make \
+    pkgconfig \
+    openssl-devel
+}
+
+install_build_deps_dnf() {
+  local dnf_bin="$1"
+  "$dnf_bin" install -y \
+    boost-devel \
+    freetype-devel \
+    libpng-devel \
+    libjpeg-turbo-devel \
+    libtiff-devel \
+    libicu-devel \
+    zlib-devel \
+    libxml2-devel \
+    proj-devel \
+    geos-devel \
+    gdal-devel \
+    harfbuzz-devel \
+    cairo-devel \
+    libcurl-devel \
+    sqlite-devel \
+    json-c-devel \
+    libgeotiff-devel \
+    git \
+    curl \
+    wget \
+    tar \
+    cmake \
+    xz
+  # Optional deps for more Mapnik features; ignore if not available on EL8.
+  "$dnf_bin" install -y zstd-devel || true
+  "$dnf_bin" install -y libwebp-devel || true
+  "$dnf_bin" install -y libavif-devel || true
+  "$dnf_bin" install -y postgresql-devel || true
+  "$dnf_bin" install -y expat-devel || true
+  "$dnf_bin" install -y libqb3-devel || true
+  "$dnf_bin" install -y glibc-gconv-extra || true
+}
+
+python_for_build() {
+  ls -d /opt/python/cp312-cp312/bin/python /opt/python/cp3*/bin/python | head -1
+}
+
+build_boost() {
+  log "Building Boost ${BOOST_VER}"
+  local workdir="/tmp/boost-src"
+  rm -rf "$workdir"
+  mkdir -p "$workdir"
+  cd "$workdir"
+  local tarball="boost_${BOOST_VER_UNDERSCORE}.tar.bz2"
+  curl -L -o "$tarball" "https://archives.boost.io/release/${BOOST_VER}/source/boost_${BOOST_VER_UNDERSCORE}.tar.bz2"
+  tar -xjf "$tarball"
+  cd "boost_${BOOST_VER_UNDERSCORE}"
+  ./bootstrap.sh --prefix=/usr/local --with-libraries=regex,program_options,system,filesystem,thread,url,context
+  if ! ./b2 -d0 --abbreviate-paths -j"$(nproc)" link=shared runtime-link=shared install > /tmp/boost-build.log 2>&1; then
+    echo "Boost build failed. Last 200 lines:"
+    tail -200 /tmp/boost-build.log
+    exit 1
+  fi
+  ldconfig
+  export LD_LIBRARY_PATH="/usr/local/lib:/usr/local/lib64:${LD_LIBRARY_PATH:-}"
+}
+
+build_proj() {
+  log "Building PROJ ${PROJ_VER}"
+  rm -rf /tmp/proj-src
+  git -c advice.detachedHead=false clone --depth 1 --branch "${PROJ_VER}" https://github.com/OSGeo/PROJ.git /tmp/proj-src
+  mkdir -p /tmp/proj-src/build
+  cd /tmp/proj-src/build
+  if ! {
+    cmake /tmp/proj-src \
+      -DCMAKE_BUILD_TYPE=Release \
+      -DCMAKE_INSTALL_PREFIX=/usr/local \
+      -DCMAKE_POSITION_INDEPENDENT_CODE=ON \
+      -DCMAKE_C_FLAGS="-fPIC" \
+      -DCMAKE_CXX_FLAGS="-Wno-psabi -fPIC" \
+      -DBUILD_SHARED_LIBS=ON \
+      -DBUILD_TESTING=OFF \
+      -DENABLE_TIFF=OFF \
+      --log-level=WARNING
+    make -s -j"$(nproc)"
+    make -s install
+  } > /tmp/proj-build.log 2>&1; then
+    echo "PROJ build failed. Last 200 lines:"
+    tail -200 /tmp/proj-build.log
+    exit 1
+  fi
+  ldconfig
+}
+
+build_harfbuzz() {
+  log "Building HarfBuzz ${HARFBUZZ_VER}"
+  local workdir="/tmp/harfbuzz-src"
+  rm -rf "$workdir"
+  mkdir -p "$workdir"
+  cd "$workdir"
+  local tarball="harfbuzz-${HARFBUZZ_VER}.tar.xz"
+  curl -L -o "$tarball" "https://github.com/harfbuzz/harfbuzz/releases/download/${HARFBUZZ_VER}/harfbuzz-${HARFBUZZ_VER}.tar.xz"
+  tar -xJf "$tarball"
+  cd "harfbuzz-${HARFBUZZ_VER}"
+  mkdir -p build
+  cd build
+  if ! {
+    cmake .. \
+      -DCMAKE_BUILD_TYPE=Release \
+      -DCMAKE_INSTALL_PREFIX=/usr/local \
+      -DCMAKE_POSITION_INDEPENDENT_CODE=ON \
+      -DCMAKE_C_FLAGS="-fPIC" \
+      -DCMAKE_CXX_FLAGS="-fPIC" \
+      -DBUILD_SHARED_LIBS=ON \
+      -DHB_HAVE_FREETYPE=ON \
+      -DHB_BUILD_TESTS=OFF \
+      -DHB_BUILD_UTILS=OFF \
+      -DHB_BUILD_SUBSET=OFF \
+      --log-level=WARNING
+    make -s -j"$(nproc)"
+    make -s install
+  } > /tmp/harfbuzz-build.log 2>&1; then
+    echo "HarfBuzz build failed. Last 200 lines:"
+    tail -200 /tmp/harfbuzz-build.log
+    exit 1
+  fi
+  ldconfig
+  export PKG_CONFIG_PATH="/usr/local/lib/pkgconfig:/usr/local/share/pkgconfig:${PKG_CONFIG_PATH:-}"
+}
+
+build_gdal() {
+  log "Building GDAL ${GDAL_VER}"
+  rm -rf /tmp/gdal-src
+  git -c advice.detachedHead=false clone --depth 1 --branch "v${GDAL_VER}" https://github.com/OSGeo/gdal.git /tmp/gdal-src
+  cd /tmp/gdal-src
+  git -c advice.detachedHead=false submodule update --init --recursive
+  mkdir -p /tmp/gdal-src/build
+  cd /tmp/gdal-src/build
+  local use_geos=OFF
+  local geos_dir=""
+  local use_zstd=OFF
+  local use_geotiff=OFF
+  local use_jsonc=OFF
+  if command -v geos-config >/dev/null 2>&1 && has_pkg_config geos; then
+    use_geos=ON
+    geos_dir="$(geos-config --prefix)"
+  fi
+  if has_pkg_config libzstd || has_pkg_config zstd; then
+    use_zstd=ON
+  fi
+  if has_pkg_config geotiff; then
+    use_geotiff=ON
+  fi
+  if has_pkg_config json-c; then
+    use_jsonc=ON
+  fi
+  if ! {
+    cmake /tmp/gdal-src \
+      -DCMAKE_BUILD_TYPE=Release \
+      -DCMAKE_INSTALL_PREFIX=/usr/local \
+      -DCMAKE_POSITION_INDEPENDENT_CODE=ON \
+      -DCMAKE_C_FLAGS="-fPIC" \
+      -DCMAKE_CXX_FLAGS="-Wno-psabi -fPIC" \
+      -DBUILD_SHARED_LIBS=ON \
+      -DBUILD_TESTING=OFF \
+      -DBUILD_PYTHON_BINDINGS=OFF \
+      -DGDAL_BUILD_PYTHON_BINDINGS=OFF \
+      -DGDAL_ENABLE_PYTHON=OFF \
+      -DGDAL_USE_INTERNAL_LIBS=ON \
+      -DGDAL_USE_GEOS="${use_geos}" \
+      -DGEOS_DIR="${geos_dir}" \
+      -DGDAL_USE_PROJ=ON \
+      -DGDAL_USE_ZSTD="${use_zstd}" \
+      -DGDAL_USE_GEOTIFF="${use_geotiff}" \
+      -DGDAL_USE_JSONC="${use_jsonc}" \
+      --log-level=WARNING
+    make -s -j"$(nproc)"
+    make -s install
+  } > /tmp/gdal-build.log 2>&1; then
+    echo "GDAL build failed. Last 200 lines:"
+    tail -200 /tmp/gdal-build.log
+    exit 1
+  fi
+  ldconfig
+}
+
+build_mapnik() {
+  local pybin="$1"
+  log "Building Mapnik ${MAPNIK_VER}"
+  rm -rf /tmp/mapnik-src
+  git clone --depth 1 --branch "v${MAPNIK_VER}" https://github.com/mapnik/mapnik.git /tmp/mapnik-src
+  cd /tmp/mapnik-src
+  git -c advice.detachedHead=false submodule update --init --recursive
+  mkdir -p /tmp/mapnik-src/build
+  cd /tmp/mapnik-src/build
+  local use_harfbuzz=OFF
+  if has_pkg_config_version harfbuzz 8.3.0; then
+    use_harfbuzz=ON
+  fi
+  if ! {
+    cmake /tmp/mapnik-src \
+      -DCMAKE_BUILD_TYPE=Release \
+      -DCMAKE_INSTALL_PREFIX=/usr/local \
+      -DBUILD_DEMO_VIEWER=OFF \
+      -DBUILD_TESTING=OFF \
+      -DCMAKE_CXX_FLAGS="-Wno-psabi" \
+      -DWITH_JPEG=ON \
+      -DWITH_PNG=ON \
+      -DWITH_TIFF=ON \
+      -DWITH_WEBP=ON \
+      -DWITH_AVIF=ON \
+      -DWITH_PROJ=ON \
+      -DWITH_GDAL=ON \
+      -DWITH_CAIRO=ON \
+      -DWITH_HARFBUZZ="${use_harfbuzz}" \
+      -DWITH_FREETYPE=ON \
+      -DWITH_SQLITE=ON \
+      -DWITH_POSTGRESQL=ON \
+      --log-level=WARNING
+    make -s -j"$(nproc)"
+    make -s install
+  } > /tmp/mapnik-build.log 2>&1; then
+    echo "Mapnik build failed. Last 200 lines:"
+    tail -200 /tmp/mapnik-build.log
+    exit 1
+  fi
+  ldconfig
+  cd /
+}
+
+build_mapnik_from_source() {
+  local dnf_bin="$1"
+  log "mapnik-devel not available in enabled repos; building Mapnik from source."
+  "$dnf_bin" repolist || true
+  "$dnf_bin" list available "mapnik*" || true
+  install_build_deps_dnf "$dnf_bin"
+
+  local pybin
+  pybin="$(python_for_build)"
+  "$pybin" -m pip install --upgrade pip
+  "$pybin" -m pip install scons
+
+  build_boost
+  build_proj
+  if ! has_pkg_config_version harfbuzz 8.3.0; then
+    build_harfbuzz
+  fi
+  build_gdal
+  build_mapnik "$pybin"
+}
+
+if command -v apt-get >/dev/null 2>&1; then
+  log "Using apt-get for Mapnik dependencies."
+  install_with_apt
+elif dnf_bin="$(detect_dnf)"; then
+  log "Using ${dnf_bin} for Mapnik dependencies."
+  prepare_dnf "$dnf_bin"
+  install_base_deps_dnf "$dnf_bin"
+  if ! "$dnf_bin" install -y mapnik-devel; then
+    build_mapnik_from_source "$dnf_bin"
+  fi
+else
+  echo "No supported package manager found (apt-get or dnf/yum)." >&2
+  exit 1
+fi
+
+find_mapnik_pc