ci: upload artifacts for main workflow

.github/workflows/main.yml

@@ -19,15 +19,15 @@ jobs:
       fail-fast: false
       matrix:
         platform:
-        - { name: Windows (mingw32),        os: windows-latest, shell: 'msys2 {0}', msystem: mingw32, msys-env: mingw-w64-i686 }
-        - { name: Windows (mingw64),        os: windows-latest, shell: 'msys2 {0}', msystem: mingw64, msys-env: mingw-w64-x86_64 }
-        - { name: Windows (clang32),        os: windows-latest, shell: 'msys2 {0}', msystem: clang32, msys-env: mingw-w64-clang-i686 }
-        - { name: Windows (clang64),        os: windows-latest, shell: 'msys2 {0}', msystem: clang64, msys-env: mingw-w64-clang-x86_64 }
-        - { name: Windows (ucrt64),         os: windows-latest, shell: 'msys2 {0}', msystem: ucrt64,  msys-env: mingw-w64-ucrt-x86_64 }
-        - { name: Ubuntu 20.04,             os: ubuntu-20.04,   shell: sh }
-        - { name: Ubuntu 22.04,             os: ubuntu-22.04,   shell: sh }
-        - { name: MacOS (Framework),  os: macos-latest,   shell: sh,    cmake: '-DCMAKE_OSX_ARCHITECTURES="x86_64;arm64" -DSDL_FRAMEWORK=ON', skip_test_pkgconfig: true }
-        - { name: MacOS (GNU prefix), os: macos-latest,   shell: sh,    cmake: '-DCMAKE_OSX_ARCHITECTURES="x86_64"' }
+        - { name: Windows (mingw32),        os: windows-latest, shell: 'msys2 {0}', msystem: mingw32, msys-env: mingw-w64-i686, artifact: 'mingw32'}
+        - { name: Windows (mingw64),        os: windows-latest, shell: 'msys2 {0}', msystem: mingw64, msys-env: mingw-w64-x86_64, artifact: 'mingw64' }
+        - { name: Windows (clang32),        os: windows-latest, shell: 'msys2 {0}', msystem: clang32, msys-env: mingw-w64-clang-i686, artifact: 'clang32' }
+        - { name: Windows (clang64),        os: windows-latest, shell: 'msys2 {0}', msystem: clang64, msys-env: mingw-w64-clang-x86_64, artifact: 'clang64' }
+        - { name: Windows (ucrt64),         os: windows-latest, shell: 'msys2 {0}', msystem: ucrt64,  msys-env: mingw-w64-ucrt-x86_64, artifact: 'ucrt64' }
+        - { name: Ubuntu 20.04,             os: ubuntu-20.04,   shell: sh, artifact: 'ubuntu20.04' }
+        - { name: Ubuntu 22.04,             os: ubuntu-22.04,   shell: sh, artifact: 'ubuntu22.04' }
+        - { name: MacOS (Framework),  os: macos-latest,   shell: sh,    cmake: '-DCMAKE_OSX_ARCHITECTURES="x86_64;arm64" -DSDL_FRAMEWORK=ON', skip_test_pkgconfig: true, artifact: 'macos-framework' }
+        - { name: MacOS (GNU prefix), os: macos-latest,   shell: sh,    cmake: '-DCMAKE_OSX_ARCHITECTURES="x86_64"', artifact: 'macos-gnu' }
 
     steps:
     - name: Set up MSYS2
@@ -107,3 +107,7 @@ jobs:
       run: |
         export PKG_CONFIG_PATH=$(echo "${{ github.workspace }}/cmake_prefix/lib/pkgconfig" | sed  -e 's#\\#/#g')
         cmake/test/test_pkgconfig.sh
+    - uses: actions/upload-artifact@v3
+      with:
+        name: ${{ matrix.platform.artifact }}
+        path: cmake_prefix/