ci: specify archs explicitly for macOS

Author: janden

.github/workflows/python_build_wheels.yml

@@ -19,6 +19,7 @@ jobs:
           package-dir: 'python/finufft'
         env:
           CIBW_BEFORE_ALL_MACOS: brew install gcc@14 fftw
+          CIBW_ARCHS_MACOS: "x86_64"
           # Need following versions of GCC for compatibility with fftw
           # installed by homebrew. Similarly, we set the macOS version
           # for compatibility with those libraries.
@@ -44,6 +45,7 @@ jobs:
         with:
           package-dir: 'python/finufft'
         env:
+          CIBW_ARCHS_MACOS: "arm64"
           # Make sure to install the ARM64-specific versions of FFTW and GCC.
           # Perhaps this is done automatically on the macos-14 image. We should
           # look into this further.

python/finufft/pyproject.toml

@@ -63,9 +63,6 @@ test-command = "pytest {project}/python/finufft/test"
 archs = "x86_64"
 before-all = "yum install -y fftw3-devel"
 
-[tool.cibuildwheel.macos]
-archs = ["x86_64", "arm64"]
-
 [tool.cibuildwheel.windows]
 archs = "AMD64"
 before-build = "pip install delvewheel"