Build on Windows.

Author: Mailaender

.github/workflows/build-natives.yml

@@ -13,24 +13,31 @@ permissions:
 
 jobs:
     windows:
-        name: Windows (x86 + x64)
-        runs-on: ubuntu-22.04
+        name: Windows (x64)
+        runs-on: windows-2022
         steps:
             - name: Setup Dependencies
               run: |
-                mkdir -p artifacts/x86
-                mkdir artifacts/x64
-                sudo apt-get install mingw-w64
+                New-Item -ItemType Directory -Force artifacts/x64 | Out-Null
+
+            - name: Download sources
+              shell: pwsh
+              run: |
+                $version = ${env:LUA_VERSION}
+                $archive = "lua-${env:LUA_VERSION}.tar.gz"
+                $url = "https://www.lua.org/ftp/$archive"
+                Invoke-WebRequest -Uri $url -OutFile $archive
+                tar xf $archive
 
             - name: Compile natives
+              shell: cmd
               run: |
-                curl -s -L -O https://www.lua.org/ftp/lua-${LUA_VERSION}.tar.gz
-                tar xf lua-${LUA_VERSION}.tar.gz
-                cd lua-${LUA_VERSION}/src/
-                make mingw CC=i686-w64-mingw32-gcc
-                cp lua51.dll ../../artifacts/x86/
-                make clean
-                make mingw CC=x86_64-w64-mingw32-gcc
+                call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat" x64 &
+                cd lua-%LUA_VERSION%/src/
+                cl /MD /O2 /c /DLUA_BUILD_AS_DLL *.c
+                ren lua.obj lua.o
+                ren luac.obj luac.o
+                link /DLL /IMPLIB:lua51.lib /OUT:lua51.dll *.obj
                 cp lua51.dll ../../artifacts/x64/
 
             - name: Upload Artifacts