be more specific about what to build on windows

.github/workflows/build-commit.yml

@@ -74,16 +74,18 @@ jobs:
     # You can convert this to a matrix build if you need cross-platform coverage.
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - build: 'avx2'
+            defines: ''
+          - build: 'avx'
+            defines: '-DGGML_AVX2=OFF'
+          - build: 'avx512'
+            defines: '-DGGML_AVX512=ON -DBUILD_SHARED_LIBS=ON'
+          - build: 'openblas'
+            defines: '-DGGML_OPENBLAS=ON -DBLAS_INCLUDE_DIRS="$env:RUNNER_TEMP/openblas/include" -DBLAS_LIBRARIES="$env:RUNNER_TEMP/openblas/lib/openblas.lib"'
 
-    # strategy:
-    #       matrix:
-    #         include:
-    #         - build: 'avx2'
-    #           defines: ''
-    #         - build: 'avx'
-    #           defines: '-DLLAMA_AVX2=OFF'
-    #         - build: 'avx512'
-    #           defines: '-DLLAMA_AVX512=ON'
 
 
     steps:
@@ -94,12 +96,16 @@ jobs:
     - name: Install Dependencies
       run: sudo apt-get update && sudo apt-get install -yq libboost-dev
 
+    - name: Install OpenBlas
+      if: ${{ matrix.build == 'openblas' }}
+      run: sudo apt-get install libopenblas-dev
+
     - name: Build
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
       run: |
         cd ${{github.workspace}}/ggml
-        cmake -B ${{github.workspace}}/ggml/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -D CMAKE_EXE_LINKER_FLAGS="-static"
+        cmake -B ${{github.workspace}}/ggml/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -D CMAKE_EXE_LINKER_FLAGS="-static" ${{ matrix.defines }}
         cd ${{github.workspace}}/ggml/build 
         make codegen codegen-serve codegen-quantize
         chmod +x ${{github.workspace}}/ggml/build/bin/codegen 
@@ -203,7 +209,9 @@ jobs:
           mkdir build
           cd build
           cmake .. ${{ matrix.defines }}
-          cmake --build . --config Release
+          cmake --build . --config Release -t codegen
+          cmake --build . --config Release -t codegen-serve
+          cmake --build . --config Release -t codegen-quantize
 
       - name: Add libopenblas.dll
         id: add_libopenblas_dll