Updated the Windows GitHub Actions workflow to build GTK3 from the ZoiteChat gvsbuild repo (and map Win32 output paths) instead of using the older prebuilt GTK archive, aligning with the required GTK3 build flow for Windows CI.

.github/workflows/windows-build.yml

@@ -40,6 +40,7 @@ jobs:
       - name: Install Dependencies
         run: |
           New-Item -Name "deps" -ItemType "Directory"
+          New-Item -Path "C:\gtk-build" -ItemType "Directory" -Force | Out-Null
 
           Invoke-WebRequest http://files.jrsoftware.org/is/5/innosetup-5.5.9-unicode.exe -OutFile deps\innosetup-unicode.exe
           & deps\innosetup-unicode.exe /VERYSILENT | Out-Null
@@ -47,9 +48,6 @@ jobs:
           Invoke-WebRequest https://github.com/zoitechat/gvsbuild/releases/download/zoitechat-2.17.0/idpsetup-1.5.1.exe -OutFile deps\idpsetup.exe
           & deps\idpsetup.exe /VERYSILENT
 
-          Invoke-WebRequest https://github.com/zoitechat/gvsbuild/releases/download/zoitechat-2.17.0/gtk-${{ matrix.platform }}-2018-08-29-openssl1.1.7z -OutFile deps\gtk-${{ matrix.arch }}.7z
-          & 7z.exe x deps\gtk-${{ matrix.arch }}.7z -oC:\gtk-build\gtk
-
           Invoke-WebRequest https://github.com/zoitechat/gvsbuild/releases/download/zoitechat-2.17.0/gendef-20111031.7z -OutFile deps\gendef.7z
           & 7z.exe x deps\gendef.7z -oC:\gtk-build
 
@@ -74,6 +72,22 @@ jobs:
           python -m pip install --upgrade pip
           python -m pip install cffi
 
+          git clone --depth 1 https://github.com/ZoiteChat/gvsbuild.git C:\gtk-build\github\gvsbuild
+          python -m pip install C:\gtk-build\github\gvsbuild
+
+          $gvsPlatform = if ("${{ matrix.platform }}" -eq "win32") { "x86" } else { "x64" }
+          gvsbuild build --vs-ver 16 --configuration release --platform $gvsPlatform gtk3
+
+          if ($gvsPlatform -eq "x86") {
+            $gtkRoot = "C:\gtk-build\gtk"
+            foreach ($alias in @("Win32", "win32")) {
+              $aliasPath = Join-Path $gtkRoot $alias
+              if (-not (Test-Path $aliasPath)) {
+                New-Item -Path $aliasPath -ItemType Junction -Value (Join-Path $gtkRoot "x86") | Out-Null
+              }
+            }
+          }
+
       - name: Build
         run: |
           call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\Tools\VsDevCmd.bat"