Add test intel build using macos-13

.github/workflows/pull-request.yml

@@ -118,6 +118,65 @@ jobs:
         - name: Upload Artifact
           uses: actions/upload-artifact@v4
           with:
-            name: horus-gui_OSX-M1
+            name: horus-gui_OSX-M1.zip
             path: dist/horus-gui_OSX-M1.dmg
+            retention-days: 2
+
+    build-osx-intel:
+        runs-on: [macos-13]
+
+        steps:
+
+        - name: Checkout code
+          uses: actions/checkout@v4
+
+        - name: Checkout horusdemodlib
+          uses: actions/checkout@v4
+          with:
+            repository: "projecthorus/horusdemodlib"
+            ref: "master"
+            path: "horusdemodlib"
+
+        - name: Build horusdemodlib
+          run: |
+            cd horusdemodlib
+            mkdir build
+            cd build
+            cmake ..
+            make
+
+        - uses: actions/setup-python@v5
+          with:
+            python-version: '3.11'
+            cache: 'pip' # caching pip dependencies
+
+        - name: Install Homebrew dependencies
+          run: brew install portaudio
+        
+        - name: Install pyAudio wheel
+          run: pip install pyaudio
+
+        - name: Install other dependencies
+          run: pip install -r requirements.txt
+
+        - name: Install pyinstaller
+          run: pip install pyinstaller
+
+        - name: Prep file locations
+          shell: bash
+          run: |
+            mkdir -p dist
+            cp horusdemodlib/build/src/libhorus.dylib .
+
+        - name: Run pyinstaller
+          run: pyinstaller horus-gui_osx_runner.spec
+
+        - name: Create the DMG file
+          run: hdiutil create -format UDZO -srcfolder dist/horus-gui.app dist/horus-gui_OSX-Intel.dmg
+
+        - name: Upload Artifact
+          uses: actions/upload-artifact@v4
+          with:
+            name: horus-gui_OSX-Intel.zip
+            path: dist/horus-gui_OSX-Intel.dmg
             retention-days: 2