remove obsolete files

externals/SDL/.github/workflows/msvc.yml

@@ -1,57 +0,0 @@
-name: Build (MSVC)
-
-on: [push, pull_request]
-
-jobs:
-  Build:
-    name: ${{ matrix.platform.name }}
-    runs-on: windows-latest
-
-    strategy:
-      fail-fast: false
-      matrix:
-        platform:
-        - { name: Windows (x64),          flags: -A x64,   project: VisualC/SDL.sln, projectflags: '/p:Platform=x64' }
-        - { name: Windows (x86),          flags: -A Win32, project: VisualC/SDL.sln, projectflags: '/p:Platform=Win32' }
-        - { name: Windows static VCRT (x64), flags: -A x64 -DSDL_FORCE_STATIC_VCRT=ON }
-        - { name: Windows static VCRT (x86), flags: -A Win32 -DSDL_FORCE_STATIC_VCRT=ON }
-        - { name: Windows (clang-cl x64), flags: -T ClangCL -A x64 }
-        - { name: Windows (clang-cl x86), flags: -T ClangCL -A Win32 }
-        - { name: Windows (ARM),          flags: -A ARM }
-        - { name: Windows (ARM64),        flags: -A ARM64 }
-        - { name: UWP (x64),              flags: -A x64 -DCMAKE_SYSTEM_NAME=WindowsStore -DCMAKE_SYSTEM_VERSION="10.0" -DSDL_TESTS=OFF,
-            project: VisualC-WinRT/SDL-UWP.sln, projectflags: '/p:Platform=x64 /p:WindowsTargetPlatformVersion=10.0.17763.0' }
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Configure CMake
-      run: cmake -S . -B build `
-        -DSDL_TESTS=ON `
-        -DSDL_INSTALL_TESTS=ON `
-        ${{ matrix.platform.flags }} `
-        -DCMAKE_INSTALL_PREFIX=prefix
-    - name: Build CMake
-      run: cmake --build build/ --config Release --parallel
-    - name: Run build-time tests
-      if: "! contains(matrix.platform.name, 'ARM')"
-      run: |
-        $env:SDL_TESTS_QUICK=1
-        ctest -VV --test-dir build/ -C Release
-    - name: Install CMake
-      run: |
-        echo "SDL2_DIR=$Env:GITHUB_WORKSPACE/prefix" >> $Env:GITHUB_ENV
-        cmake --install build/
-    - name: Verify CMake configuration files
-      if: ${{ !contains(matrix.platform.name, 'UWP') }}  # FIXME: cmake/test/CMakeLists.txt should support UWP
-      run: |
-        cmake -S cmake/test -B cmake_config_build `
-          -DCMAKE_PREFIX_PATH=${{ env.SDL2_DIR }} `
-          ${{ matrix.platform.flags }}
-        cmake --build cmake_config_build --config Release
-
-    - name: Add msbuild to PATH
-      if: ${{ matrix.platform.project != '' }}
-      uses: microsoft/setup-msbuild@v1.0.2
-    - name: Build msbuild
-      if: ${{ matrix.platform.project != '' }}
-      run: msbuild ${{ matrix.platform.project }} /m /p:BuildInParallel=true /p:Configuration=Release ${{ matrix.platform.projectflags }}

externals/SDL/.github/workflows/ps2.yaml

@@ -1,30 +0,0 @@
-name: Build (Sony Playstation 2)
-
-on: [push, pull_request]
-
-jobs:
-  ps2:
-    runs-on: ubuntu-latest
-    container: ps2dev/ps2dev:latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Setup dependencies
-      run: |
-        apk update 
-        apk add cmake gmp mpc1 mpfr4 make
-    - name: Configure CMake
-      run: cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=$PS2DEV/ps2sdk/ps2dev.cmake -DSDL_TESTS=ON
-    - name: Build
-      run: cmake --build build
-    
-    - name: Get short SHA
-      id: slug
-      run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
-
-    - name: Upload artifacts
-      if: ${{ success() }}
-      uses: actions/upload-artifact@v3
-      with:
-        name: tests-${{ steps.slug.outputs.sha8 }}
-        path: |
-          build/test

externals/SDL/.github/workflows/watcom.yml

@@ -1,35 +0,0 @@
-name: Build (OpenWatcom)
-
-on: [push, pull_request]
-
-jobs:
-  os2:
-    name: ${{ matrix.platform.name }}
-    runs-on: windows-latest
-
-    strategy:
-      matrix:
-        platform:
-        - { name: Windows, makefile: Makefile.w32 }
-        - { name: OS/2,    makefile: Makefile.os2 }
-
-    steps:
-      - uses: actions/checkout@v2
-      - uses: open-watcom/setup-watcom@v0
-      - name: Build SDL2
-        run: |
-          wmake -f ${{ matrix.platform.makefile }}
-      - name: Build tests
-        run: |
-          cd test && wmake -f ${{ matrix.platform.makefile }}
-          cd ..
-      - name: Run tests
-        if: "matrix.platform.makefile == 'Makefile.w32'"
-        run: |
-          cd test && wmake -f ${{ matrix.platform.makefile }} check-quick
-          cd ..
-      - name: distclean
-        run: |
-          wmake -f ${{ matrix.platform.makefile }} distclean
-          cd test && wmake -f ${{ matrix.platform.makefile }} distclean
-          cd ..