release fix 3

Author: KrishSingaria

.github/workflows/release.yml

@@ -7,35 +7,38 @@ on:
 
 jobs:
   build_wheels:
-    name: Build wheels on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        # Build on all 3 OSs
-        os: [ubuntu-latest, windows-latest, macos-latest]
+      name: Build wheels on ${{ matrix.os }}
+      runs-on: ${{ matrix.os }}
+      strategy:
+        matrix:
+          os: [ubuntu-latest, windows-latest, macos-latest]
 
-    steps:
-      - uses: actions/checkout@v4
+      steps:
+        - uses: actions/checkout@v4
+
+        - name: Build wheels
+          uses: pypa/[email protected]
+          env:
+            # SKIP: Old Python, PyPy, Musl (Alpine), and 32-bit Linux
+            CIBW_SKIP: "cp36-* cp37-* cp38-* pp* *musllinux* *i686*"
+            
+            # LINUX: Force C++17 (compatible with manylinux2014)
+            CIBW_ENVIRONMENT_LINUX: "CXXFLAGS='-std=c++17'"
+            
+            # MACOS: Install OpenMP and configure paths
+            CIBW_BEFORE_ALL_MACOS: "brew install libomp"
+            CIBW_ENVIRONMENT_MACOS: >
+              CFLAGS="-Xpreprocessor -fopenmp -I$(brew --prefix libomp)/include"
+              CXXFLAGS="-Xpreprocessor -fopenmp -I$(brew --prefix libomp)/include"
+              LDFLAGS="-L$(brew --prefix libomp)/lib -lomp"
+              OpenMP_ROOT="$(brew --prefix libomp)"
+            # MACOS: Prevent cross-compilation errors (build arm64 on arm64 runner)
+            CIBW_ARCHS_MACOS: "auto"
 
-      - name: Build wheels
-        uses: pypa/[email protected]
-        env:
-          # Skip old Python versions
-          CIBW_SKIP: "cp36-* cp37-* cp38-* pp*"
-          
-          # Linux: Force C++20
-          CIBW_ENVIRONMENT_LINUX: "CXXFLAGS='-std=c++20'"
-          
-          # macOS: Install OpenMP (libomp) before building
-          CIBW_BEFORE_ALL_MACOS: "brew install libomp"
-          
-          # macOS: Tell CMake where to find OpenMP
-          # (Homebrew puts it in a weird spot, we need to point to it)
-          CIBW_ENVIRONMENT_MACOS: >
-            CFLAGS="-Xpreprocessor -fopenmp -I$(brew --prefix libomp)/include"
-            CXXFLAGS="-Xpreprocessor -fopenmp -I$(brew --prefix libomp)/include"
-            LDFLAGS="-L$(brew --prefix libomp)/lib -lomp"
-            OpenMP_ROOT="$(brew --prefix libomp)"
+        - uses: actions/upload-artifact@v4
+          with:
+            name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
+            path: ./wheelhouse/*.whl
 
   build_sdist:
     name: Build source distribution