From a0ea23cc2f406c8d236efd4a5d6fd107d44e49cc Mon Sep 17 00:00:00 2001
From: Maik Riechert <maik.riechert@arcor.de>
Date: Mon, 2 Oct 2023 18:35:11 +0100
Subject: [PATCH] mac arm64

---
 .github/scripts/build-macos.sh |  6 +++---
 .github/workflows/ci.yml       | 12 ++++++++++++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/.github/scripts/build-macos.sh b/.github/scripts/build-macos.sh
index aea2173..eabe1e2 100755
--- a/.github/scripts/build-macos.sh
+++ b/.github/scripts/build-macos.sh
@@ -37,11 +37,11 @@ pip freeze
 # By default, wheels are tagged with the architecture of the Python
 # installation, which would produce universal2 even if only building
 # for x86_64. The following line overrides that behavior.
-export _PYTHON_HOST_PLATFORM="macosx-${MACOS_MIN_VERSION}-x86_64"
+export _PYTHON_HOST_PLATFORM="macosx-${MACOS_MIN_VERSION}-$ARCH"
 
 export CC=clang
 export CXX=clang++
-export CFLAGS="-arch x86_64"
+export CFLAGS="-arch $ARCH"
 export CXXFLAGS=$CFLAGS
 export LDFLAGS=$CFLAGS
 export ARCHFLAGS=$CFLAGS
@@ -54,7 +54,7 @@ python setup.py bdist_wheel
 # no shared library dependencies that have to be bundled.
 
 delocate-listdeps --all --depending dist/*.whl # lists library dependencies
-delocate-wheel --verbose --require-archs=x86_64 dist/*.whl # copies library dependencies into wheel
+delocate-wheel --verbose --require-archs=$ARCH dist/*.whl # copies library dependencies into wheel
 delocate-listdeps --all --depending dist/*.whl # verify
 
 # Dump target versions of dependend libraries.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index abe6414..5ab9abd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -65,29 +65,40 @@ jobs:
 
         - os-image: macos-11
           os-name: mac
+          arch: x86_64
           macos-min-version: '10.9'
           python-version: '3.7'
           numpy-version: '1.14.*'
         - os-image: macos-11
           os-name: mac
+          arch: x86_64
           macos-min-version: '10.9'
           python-version: '3.8'
           numpy-version: '1.17.*'
         - os-image: macos-11
           os-name: mac
+          arch: x86_64
           macos-min-version: '10.9'
           python-version: '3.9'
           numpy-version: '1.19.*'
         - os-image: macos-11
           os-name: mac
+          arch: x86_64
           macos-min-version: '10.9'
           python-version: '3.10'
           numpy-version: '1.21.*'
         - os-image: macos-11
           os-name: mac
+          arch: x86_64
           macos-min-version: '10.9'
           python-version: '3.11'
           numpy-version: '1.23.*'
+        - os-image: macos-13-xlarge # M1
+          os-name: mac
+          arch: arm64
+          macos-min-version: '11.0'
+          python-version: '3.11'
+          numpy-version: '1.23.*'
 
         - os-image: windows-latest
           os-name: windows
@@ -159,6 +170,7 @@ jobs:
       if: matrix.config.os-name == 'mac'
       run: .github/scripts/build-macos.sh
       env:
+        ARCH: ${{ matrix.config.arch }}
         MACOS_MIN_VERSION: ${{ matrix.config.macos-min-version }}
         PYTHON_VERSION: ${{ matrix.config.python-version }}
         NUMPY_VERSION: ${{ matrix.config.numpy-version }}