Update mingw in windows-2019 image

images/windows/scripts/build/Install-Mingw64.ps1

@@ -3,68 +3,40 @@
 ##  Desc:  Install GNU tools for Windows
 ################################################################################
 
-if (Test-IsWin19) {
-    # If Windows 2019, install version 8.1.0 form sourceforge
-    $baseUrl = "https://download.qt.io/development_releases/prebuilt"
-
-    $("mingw32", "mingw64") | ForEach-Object {
-        if ($_ -eq "mingw32") {
-            $url = "$baseUrl/mingw_32/i686-8.1.0-release-posix-dwarf-rt_v6-rev0.7z"
-            $sha256sum = 'adb84b70094c0225dd30187ff995e311d19424b1eb8f60934c60e4903297f946'
-        } elseif ($_ -eq "mingw64") {
-            $url = "$baseUrl/mingw_64/x86_64-8.1.0-release-posix-seh-rt_v6-rev0.7z"
-            $sha256sum = '853970527b5de4a55ec8ca4d3fd732c00ae1c69974cc930c82604396d43e79f8'
-        } else {
-            throw "Unknown architecture $_"
-        }
-
-        $packagePath = Invoke-DownloadWithRetry $url
-        Test-FileChecksum -Path $packagePath -ExpectedSHA256Sum $sha256sum
-        Expand-7ZipArchive -Path $packagePath -DestinationPath "C:\"
-
-        # Make a copy of mingw-make.exe to make.exe, which is a more discoverable name
-        # and so the same command line can be used on Windows as on macOS and Linux
-        $path = "C:\$_\bin\mingw32-make.exe" | Get-Item
-        Copy-Item -Path $path -Destination (Join-Path $path.Directory 'make.exe')
+$version = (Get-ToolsetContent).mingw.version
+$runtime = (Get-ToolsetContent).mingw.runtime
+
+$("mingw32", "mingw64") | ForEach-Object {
+    if ($_ -eq "mingw32") {
+        $arch = "i686"
+        $threads = "posix"
+        $exceptions = "dwarf"
+    } elseif ($_ -eq "mingw64") {
+        $arch = "x86_64"
+        $threads = "posix"
+        $exceptions = "seh"
+    } else {
+        throw "Unknown architecture $_"
     }
-
-    Add-MachinePathItem "C:\mingw64\bin"
-
-}
 
-if (Test-IsWin22) {
-    # If Windows 2022, install version specified in the toolset
-    $version = (Get-ToolsetContent).mingw.version
-    $runtime = (Get-ToolsetContent).mingw.runtime
-
-    $("mingw32", "mingw64") | ForEach-Object {
-        if ($_ -eq "mingw32") {
-            $arch = "i686"
-            $threads = "posix"
-            $exceptions = "dwarf"
-        } elseif ($_ -eq "mingw64") {
-            $arch = "x86_64"
-            $threads = "posix"
-            $exceptions = "seh"
-        } else {
-            throw "Unknown architecture $_"
-        }
+    if ($runtime) {
+        $runtimeSuffix = "$runtime-"
+    }
 
-        $url = Resolve-GithubReleaseAssetUrl `
-            -Repo "niXman/mingw-builds-binaries" `
-            -Version "$version" `
-            -Asset "$arch-*-release-$threads-$exceptions-$runtime-*.7z"
+    $url = Resolve-GithubReleaseAssetUrl `
+        -Repo "niXman/mingw-builds-binaries" `
+        -Version "$version" `
+        -Asset "$arch-*-release-$threads-$exceptions-$runtimeSuffix*.7z"
 
-        $packagePath = Invoke-DownloadWithRetry $url
-        Expand-7ZipArchive -Path $packagePath -DestinationPath "C:\"
+    $packagePath = Invoke-DownloadWithRetry $url
+    Expand-7ZipArchive -Path $packagePath -DestinationPath "C:\"
 
-        # Make a copy of mingw-make.exe to make.exe, which is a more discoverable name
-        # and so the same command line can be used on Windows as on macOS and Linux
-        $path = "C:\$_\bin\mingw32-make.exe" | Get-Item
-        Copy-Item -Path $path -Destination (Join-Path $path.Directory 'make.exe')
-    }
-
-    Add-MachinePathItem "C:\mingw64\bin"
+    # Make a copy of mingw-make.exe to make.exe, which is a more discoverable name
+    # and so the same command line can be used on Windows as on macOS and Linux
+    $path = "C:\$_\bin\mingw32-make.exe" | Get-Item
+    Copy-Item -Path $path -Destination (Join-Path $path.Directory 'make.exe')
 }
 
+Add-MachinePathItem "C:\mingw64\bin"
+
 Invoke-PesterTests -TestFile "Tools" -TestName "Mingw64"

images/windows/toolsets/toolset-2019.json

@@ -160,6 +160,9 @@
             ]
         }
     },
+    "mingw": {
+        "version": "8.5.0"
+    },
     "MsysPackages": {
         "msys2": [
             "base-devel",