avoid invalid condition

Author: levand

.github/workflows/wheels.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           python-version: '3.10'
       - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==2.15.0
+        run: python -m pip install cibuildwheel==2.19.1
       - name: Build wheels
         run: python -m cibuildwheel --output-dir dist
         env:

setup.py

@@ -90,7 +90,8 @@ class BuildExt(build_ext):
 
     if sys.platform == "darwin":
         if platform.machine() == "arm64":
-            c_opts["unix"].remove("-march=native")
+            if "-march=native" in c_opts["unix"]:
+                c_opts["unix"].remove("-march=native")
         c_opts["unix"] += ["-stdlib=libc++", "-mmacosx-version-min=10.7"]
         link_opts["unix"] += ["-stdlib=libc++", "-mmacosx-version-min=10.7"]
     else: