iterating on mingw

.github/actions/setup-mingw-ubuntu/action.yml

@@ -0,0 +1,33 @@
+name: Setup MinGW on Ubuntu
+
+inputs:
+  arch:
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - name: Set up MinGW for x86_64
+      if: inputs.arch == 'x86_64'
+      shell: bash
+      run: |
+        sudo apt-get install gcc-mingw-w64 g++-mingw-w64-x86-64
+        sudo update-alternatives --set x86_64-w64-mingw32-gcc /usr/bin/x86_64-w64-mingw32-gcc-posix
+        sudo update-alternatives --set x86_64-w64-mingw32-g++ /usr/bin/x86_64-w64-mingw32-g++-posix
+
+    - name: Set up MinGW for x86_32
+      if: inputs.arch == 'x86_32'
+      shell: bash
+      run: |
+        sudo apt-get install gcc-mingw-w64 g++-mingw-w64-i686
+        sudo update-alternatives --set i686-w64-mingw32-gcc /usr/bin/i686-w64-mingw32-gcc-posix
+        sudo update-alternatives --set i686-w64-mingw32-g++ /usr/bin/i686-w64-mingw32-g++-posix
+
+    - name: Set up LLVM MinGW for arm64
+      if: inputs.arch == 'arm64'
+      shell: bash
+      run: |
+        curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20240619/llvm-mingw-20240619-ucrt-ubuntu-20.04-x86_64.tar.xz
+        tar xf llvm-mingw-20240619-ucrt-ubuntu-20.04-x86_64.tar.xz
+        rm -f llvm-mingw-20240619-ucrt-ubuntu-20.04-x86_64.tar.xz
+        mv -f llvm-mingw-20240619-ucrt-ubuntu-20.04-x86_64 llvm-mingw

.github/workflows/windows.yml

@@ -34,13 +34,13 @@ on:
 env:
   SCONS_CACHE_MSVC_CONFIG: true
   SCONS_CACHE_LIMIT: 4096
-  SCONSFLAGS: production=yes use_mingw=yes d3d12=yes tests=no verbose=yes warnings=extra werror=yes
+  SCONSFLAGS: production=yes use_mingw=yes verbose=yes warnings=no progress=no
   DOTNET_NOLOGO: true
   DOTNET_CLI_TELEMETRY_OPTOUT: true
 
 jobs:
   windows-builds:
-    runs-on: "ubuntu-latest"
+    runs-on: "ubuntu-20.04"
     name: ${{ matrix.opts.name }}
     strategy:
       fail-fast: false
@@ -188,32 +188,33 @@ jobs:
       # Inits GODOT_VERSION, LIMBOAI_VERSION and NAME_PREFIX environment variables.
       - uses: ./modules/limboai/.github/actions/init-version
 
-      - name: Set up Python 3.x
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.x"
-          architecture: "x64"
-
       - name: Set up Linux toolchain
         uses: ./modules/limboai/.github/actions/setup-linux-toolchain
         with:
           arch: ${{matrix.opts.arch}}
 
+      - name: Set up MinGW
+        uses: ./modules/limboai/.github/actions/setup-mingw-ubuntu
+        with:
+          arch: ${{matrix.opts.arch}}
+
       - name: Set up scons cache
         uses: actions/cache@v4
         with:
           path: ${{github.workspace}}/.scons_cache/
           key: ${{env.BIN}}-${{inputs.godot-ref}}-${{inputs.limboai-ref}}-${{env.LIMBOAI_VERSION}}
-          restore-keys: |
-            ${{env.BIN}}-${{inputs.godot-ref}}-${{inputs.limboai-ref}}-${{env.LIMBOAI_VERSION}}
-            ${{env.BIN}}-${{inputs.godot-ref}}-${{inputs.limboai-ref}}
-            ${{env.BIN}}-${{inputs.godot-ref}}
+          # restore-keys: |
+          #   ${{env.BIN}}-${{inputs.godot-ref}}-${{inputs.limboai-ref}}-${{env.LIMBOAI_VERSION}}
+          #   ${{env.BIN}}-${{inputs.godot-ref}}-${{inputs.limboai-ref}}
+          #   ${{env.BIN}}-${{inputs.godot-ref}}
 
       - name: Compilation
         env:
           SCONS_CACHE: ${{github.workspace}}/.scons_cache/
+          SCONSFLAGS_ARM: ${{matrix.opts.arch == 'arm64' && 'use_llvm=yes mingw_prefix=llvm-mingw' || ''}}
         run: |
-          scons -j2 platform=windows target=${{matrix.opts.target}} arch=${{matrix.opts.arch}} module_mono_enabled=${{matrix.opts.dotnet}} ${{env.SCONSFLAGS}}
+          PATH=${GITHUB_WORKSPACE}/buildroot/bin:$PATH
+          scons platform=windows target=${{matrix.opts.target}} arch=${{matrix.opts.arch}} module_mono_enabled=${{matrix.opts.dotnet}} ${{env.SCONSFLAGS}} ${{env.SCONSFLAGS_ARM}}
 
       - name: Build .NET assemblies
         if: matrix.opts.dotnet && matrix.opts.target == 'editor'