Fix macos m1 arm wheel

.github/workflows/wheel_macos_arm64.yml

@@ -10,6 +10,8 @@ on:
 env:
   CIBW_BUILD: 'cp37-* cp38-* cp39-* cp310-*'
 
+  ARCHS: 'arm64'
+
   # MacOS specific build settings
   CIBW_BEFORE_ALL_MACOS: |
     brew uninstall --force oclint
@@ -61,7 +63,7 @@ jobs:
           CIBW_ARCHS_MACOS: ${{ matrix.arch }}
 
       - uses: actions/upload-artifact@v2
-        if: ${{ github.event_name == 'release' || github.ref == 'refs/heads/master' }}
+        #if: ${{ github.event_name == 'release' || github.ref == 'refs/heads/master' }}
         with:
           name: ${{ runner.os }}-wheels-${{ matrix.arch }}.zip
           path: ./wheelhouse/*.whl

.gitignore

@@ -19,7 +19,7 @@ doc/code/
 *.so
 cpptests
 *.o
-
+.DS_Store
 .cache/*
 .vscode/*
 .ycm_extra_conf.py

pennylane_lightning/_version.py

@@ -16,4 +16,4 @@
    Version number (major.minor.patch[-label])
 """
 
-__version__ = "0.24.0-dev15"
+__version__ = "0.24.0-dev16"

setup.py

@@ -77,11 +77,16 @@ def build_extension(self, ext: CMakeExtension):
 
         # Add more platform dependent options
         if platform.system() == "Darwin":
+            #To support ARM64
+            if os.getenv('ARCHS') == "arm64":
+                configure_args += ["-DCMAKE_CXX_FLAGS='-target arm64-apple-macos11'"]
+            else:
+                configure_args += []
             # Disable OpenMP in M1 Macs
             if os.environ.get("USE_OMP"):
                 configure_args += []
             else:
-                configure_args += ["-DENABLE_OPENMP=OFF"]
+                configure_args += ["-DENABLE_OPENMP=OFF"]  
         elif platform.system() == "Linux":
             if platform.machine() == "x86_64":
                 configure_args += ["-DENABLE_AVX=ON"]  # Enable AVX if x64 on Linux