Add build-extension to CI

.github/workflows/ci.yml

@@ -23,6 +23,23 @@ jobs:
       - name: Run tests
         run: just test
 
+  build-extension:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+      - name: Setup just
+        uses: extractions/setup-just@v1
+      - name: Build native extension
+        run: just build-extension
+
   nix:
     runs-on: ubuntu-latest
     steps:
@@ -34,3 +51,15 @@ jobs:
             experimental-features = nix-command flakes
       - name: Run tests via Nix
         run: nix develop -c just test
+
+  nix-build-extension:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v27
+        with:
+          nix_path: nixpkgs=channel:nixos-24.05
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+      - name: Build extension via Nix
+        run: nix develop -c just build-extension

flake.nix

@@ -19,8 +19,9 @@
               rustc
               cargo
               libiconv # required as a dependency when building the rb-sys Rust crate
-
+              
               # For build automation
+              libclang # required for building the rb-sys-env build tools
               just
               git-lfs
             ];