Update c-cpp.yml

.github/workflows/c-cpp.yml

@@ -2,32 +2,60 @@ name: C/C++ CI
 
 on:
   push:
-    branches: [ main ]
+    branches: [ "main" ]
   pull_request:
-    branches: [ main ]
-
-env:
-  BUILD_TYPE: Release
+    branches: [ "main" ]
 
 jobs:
-  build_cmake:
+  build:
     name: CMake Build & Test
-
+    runs-on: ${{ matrix.os }}
+    
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        build_type: [Release]
-
-    runs-on: ${{ matrix.os }}
+        build_type: [Release, Debug]
+        c_compiler: [gcc, clang, cl]
+        include:
+          - os: windows-latest
+            c_compiler: cl
+            cpp_compiler: cl
+          - os: ubuntu-latest
+            c_compiler: gcc
+            cpp_compiler: g++
+          - os: ubuntu-latest
+            c_compiler: clang
+            cpp_compiler: clang++
+        exclude:
+          - os: windows-latest
+            c_compiler: gcc
+          - os: windows-latest
+            c_compiler: clang
+          - os: ubuntu-latest
+            c_compiler: cl
 
     steps:
     - uses: actions/checkout@v3
-    - name: Configure CMake
-      run: cmake -B build -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -DELFIO_BUILD_EXAMPLES=YES -DELFIO_BUILD_TESTS=YES
-    - name: Build
-      run: cmake --build build --config ${{ matrix.build_type }}
-    - name: Test
+    
+    - name: Set reusable strings
+      # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
+      id: strings
+      shell: bash
       run: |
-        cd build
-        ctest -C ${{ matrix.build_type }}
-        cd ..
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
+
+    - name: Configure CMake
+      run: >
+        cmake -B ${{ steps.strings.outputs.build-output-dir }}
+        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
+        -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
+        -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+        -DELFIO_BUILD_EXAMPLES=YES -DELFIO_BUILD_TESTS=YES
+        -S ${{ github.workspace }}
+    
+    - name: Build
+      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
+    
+    - name: Test
+      working-directory: ${{ steps.strings.outputs.build-output-dir }}
+      run: ctest --build-config ${{ matrix.build_type }}