* disabled windows for now

* added loading from cache

Author: HenningWoydt

.github/workflows/wheels.yml

@@ -21,15 +21,24 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Cache extern dependencies
+        uses: actions/cache@v4
+        with:
+          path: extern/local
+          key: ${{ runner.os }}-${{ runner.arch }}-extern-${{ hashFiles('build.sh', 'extern/KaHIP/**', 'extern/MtKaHyPar/**') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ runner.arch }}-extern-
+
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.16
+        uses: pypa/cibuildwheel@v2.22
         env:
           CIBW_BUILD: cp38-* cp39-* cp310-* cp311-* cp312-*
-          CIBW_SKIP: "*-musllinux_* *-win32 *-manylinux_i686"
+          CIBW_SKIP: "*-musllinux_* *-win32 *-manylinux_i686 *-win_amd64"
           CIBW_ARCHS_LINUX: x86_64
           CIBW_ARCHS_MACOS: x86_64 arm64
           CIBW_BEFORE_BUILD: ./build.sh
           CIBW_BUILD_VERBOSITY: 1
+          CIBW_DEPENDENCY_VERSIONS: latest
 
       - uses: actions/upload-artifact@v4
         with:

build.sh

@@ -24,6 +24,12 @@ echo "C++ compiler(CXX): $CXX"
 
 echo "Root            : ${ROOT}"
 
+# Check if dependencies are already built (from cache)
+if [ -d "${ROOT}/extern/local/kahip" ] && [ -d "${ROOT}/extern/local/mt-kahypar" ]; then
+  echo "Found cached dependencies in extern/local, skipping download and build."
+else
+  echo "Building dependencies from scratch..."
+
 rm -rf extern
 mkdir -p extern/local
 
@@ -162,6 +168,7 @@ fi
 echo "Bundled libs in ${MTK_LIBDIR}:"
 ls -1 "${MTK_LIBDIR}" | egrep 'mtkahypar|libboost_|libtbb' || true
 
+fi  # End of dependency build check
 
 # --- build SharedMap ---
 echo "Building SharedMap..."