Add support for Apple Silicon

Author: joetoddsonos

.github/workflows/build.yml

@@ -6,7 +6,7 @@ on:
       version:
         description: 'The version of libFLAC to build'
         required: false
-        default: '1.3.3'
+        default: '1.3.4'
       debug:
         description: 'Enable debug'
         required: false
@@ -149,7 +149,7 @@ jobs:
       run: |
         wget https://ftp.osuosl.org/pub/xiph/releases/flac/flac-${{ github.event.inputs.version }}.tar.xz
         tar xvf flac-${{ github.event.inputs.version }}.tar.xz
-    - name: Build libFLAC
+    - name: Build libFLAC (x86_64)
       run: |
         cd flac-${{ github.event.inputs.version }}
         CC=clang ./configure --with-ogg=no --enable-debug=${{ github.event.inputs.debug }} --enable-shared --disable-static --disable-examples
@@ -159,8 +159,23 @@ jobs:
         cp src/libFLAC/.libs/libFLAC.8.dylib ../darwin-x86_64/
         cd ../darwin-x86_64
         install_name_tool -id @rpath/libFLAC.8.dylib libFLAC.8.dylib
-    - name: Upload macOS library
+    - name: Upload macOS x86_64 library
       uses: actions/upload-artifact@v1
       with:
         name: darwin-x86_64
         path: darwin-x86_64
+    - name: Build libFLAC (arm64)
+      run: |
+        cd flac-${{ github.event.inputs.version }}
+        ./configure --host=aarch64-apple-darwin --with-ogg=no --enable-debug=${{ github.event.inputs.debug }} CFLAGS="-arch arm64 -target arm64-apple-macos11" --enable-shared --disable-static --disable-examples
+        make
+        mkdir ../darwin-arm64
+        ls -l src/libFLAC/.libs
+        cp src/libFLAC/.libs/libFLAC.8.dylib ../darwin-arm64/
+        cd ../darwin-arm64
+        install_name_tool -id @rpath/libFLAC.8.dylib libFLAC.8.dylib
+    - name: Upload macOS arm64 library
+      uses: actions/upload-artifact@v1
+      with:
+        name: darwin-arm64
+        path: darwin-arm64

CHANGELOG.rst

@@ -4,6 +4,7 @@ pyFLAC Changelog
 **v2.1.0**
 
 * Added support for Linux `arm64` architectures
+* Added support for Darwin `arm64` architectures (macOS Apple Silicon)
 * Fixed Raspberry Pi Zero library (see #13)
 * Updated FLAC library to v1.3.4