add freebsd to ci

.github/workflows/build.yml

@@ -413,6 +413,22 @@ jobs:
           path: |
             cudart-llama-bin-win-cu${{ matrix.cuda }}-x64.zip
 
+  freeBSD-latest:
+    runs-on: macos-12
+    steps:
+    - name: Clone
+      uses: actions/checkout@v3
+
+    - name: Build
+      uses: cross-platform-actions/action@v0.19.0
+      with:
+        operating_system: freebsd
+        version: '13.2'
+        run: |
+            sudo pkg update
+            sudo pkg install -y gmake automake autoconf pkgconf llvm15 clinfo clover opencl clblast openblas
+            gmake CC=/usr/local/bin/clang15 CXX=/usr/local/bin/clang++15
+
   release:
     if: ${{ ( github.event_name == 'push' && github.ref == 'refs/heads/master' ) || github.event.inputs.create_release == 'true' }}