ci: trying to build macos

.github/workflows/test.yml

@@ -40,6 +40,29 @@ jobs:
     - name: Test Build
       run: nix develop -c zig build -Dstatic=true -Dtarget=${{ matrix.target }}
 
+  build-macos:
+    runs-on: macos-12
+      #needs: test
+    env:
+      # Needed for macos SDK
+      AGREE: "true"
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+      with:
+        submodules: recursive
+        fetch-depth: 0
+
+    # Install Nix and use that to run our tests so our environment matches exactly.
+    - uses: cachix/install-nix-action@v19
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+
+    # Cross-compile the binary. We always use static building for this
+    # because its the only way to access the headers.
+    - name: Test Build
+      run: nix develop -c zig build -Dstatic=true
+
   test:
     strategy:
       matrix: