Fat binaries for macOS

.github/workflows/build.yml

@@ -137,7 +137,7 @@ jobs:
         path: releases/
 
 
-  macOS:
+macOS:
     runs-on: macos-13
 
     steps:
@@ -149,15 +149,30 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
 
+    - name: Install Rust support for ARM64 & prepare environment
+      run: |
+        rustup target add aarch64-apple-darwin
+        mkdir releases
+
     - name: Build
       run: |
-        mkdir releases
         cargo build --release
         strip target/release/bliss-analyser
-        cp target/release/bliss-analyser releases/bliss-analyser
-        cp UserGuide.md releases/README.md
-        cp LICENSE releases/
-        cp configs/macos.ini releases/config.ini
+        cp target/release/bliss-analyser releases/bliss-analyser-x86_64
+        cargo build --target=aarch64-apple-darwin --release
+        strip target/aarch64-apple-darwin/release/bliss-analyser
+        cp target/aarch64-apple-darwin/release/bliss-analyser releases/bliss-analyser-arm64
+
+    - name: Build fat binary
+      run: |
+        lipo -create \
+          -arch x86_64 releases/bliss-analyser-x86_64 \
+          -arch arm64 releases/bliss-analyser-arm64 \
+          -output releases/bliss-analyser
+
+    - name: Remove ununsed binaries
+      run:
+        rm releases/bliss-analyser-x86_64 releases/bliss-analyser-arm64
 
     - name: Upload artifacts
       uses: actions/upload-artifact@v4