Build for ARM64 in Mac.

.github/workflows/mac.yml

@@ -13,14 +13,27 @@ jobs:
       matrix:
        include:
          - os: macos-13
+           architecture: x64
            upload: 0
          - os: macos-12
+           architecture: x64
            upload: 0
          - os: macos-11
+           architecture: x64
+           upload: 1
+         - os: macos-13
+           architecture: arm64
+           upload: 0
+         - os: macos-12
+           architecture: arm64
+           upload: 0
+         - os: macos-11
+           architecture: arm64
            upload: 1
     runs-on: ${{ matrix.os }}
     env:
       UPLOAD: ${{ matrix.upload }}
+      ARCHITECTURE: ${{ matrix.architecture }}
     steps:
     - uses: actions/checkout@v2
     - name: Install dependencies

ports/ci/mac/build.sh

@@ -25,6 +25,12 @@ if [ -z "${DISABLE_CCACHE}" ]; then
     EXTRA_PARAMS="-DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_OBJCXX_COMPILER_LAUNCHER=ccache"
 fi
 
+if [ "${ARCHITECTURE}" == arm64 ]; then
+    EXTRA_PARAMS="${EXTRA_PARAMS} -DCMAKE_OSX_ARCHITECTURES=arm64"
+    export CFLAGS="-arch arm64"
+    export CXXFLAGS="-arch arm64"
+fi
+
 INSTALL_PREFIX=${PWD}/package-data
 
 mkdir -p build