Add workaround to get NumPy headers for Python 3.11

Author: molinav

.github/workflows/basemap-for-manylinux.yml

@@ -161,16 +161,33 @@ jobs:
               3.10)            pkgvers=1.21.4;;
               *)               pkgvers=1.23.3;;
           esac
+          if [ "${pkgvers}" = "1.23.3" ]; then
+              # Dirty solution to get NumPy headers for Python 3.11.
+              case "${{ matrix.arch }}" in
+                  x64) kwds="--plat=manylinux_2_17_x86_64" ;;
+                  x86) kwds="--plat=manylinux_2_17_i686"   ;;
+              esac
+              pip download --no-deps ${kwds} "numpy==1.23.3"
+              oldpkgfile=$(ls *.whl | head -n1)
+              newpkgfile=$(echo "${oldpkgfile}" | sed 's/manylinux_2_17/linux/')
+              mv "${oldpkgfile}" "${newpkgfile}"
+              pip install "${newpkgfile}"
+              rm "${newpkgfile}"
+          fi
           pip install "numpy == ${pkgvers}"
       -
         name: Build wheel
         run: |
           sitepkgdir=$(pip show numpy 2>/dev/null | grep Location: | cut -d' ' -f2)
           export GEOS_DIR="${GITHUB_WORKSPACE}/${{ env.PKGDIR }}/extern"
           export NUMPY_INCLUDE_PATH=${sitepkgdir}/numpy/core/include
+          if [ "${{ matrix.python-version }}" = "3.11" ]; then
+              kwds="--no-build-isolation"
+              pip install setuptools wheel "cython >= 0.29, < 3.1"
+          fi
           cd ${{ env.PKGDIR }}
           python setup.py sdist
-          pip wheel -w dist --no-deps dist/*.zip
+          pip wheel -w dist --no-deps ${kwds} dist/*.zip
       -
         name: Upload build artifacts
         uses: actions/upload-artifact@v1