Index: 0ad-download-compile-install-wxwidgets.ps1
===================================================================
--- /dev/null
+++ 0ad-download-compile-install-wxwidgets.ps1
@@ -0,0 +1,88 @@
+# Copyright (C) 2020 Wildfire Games.
+# This file is part of 0 A.D.
+#
+# 0 A.D. is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# 0 A.D. is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
+
+param ([int] $jobs = 2, [string] $wxwidgetsVersion = "3.1.4", [bool] $deleteFiles = $False)
+
+$PSScriptRootFixed = "$PSScriptRoot" -replace "\\", "/"
+Write-Output "Analysing $PSScriptRootFixed with $jobs job(s)."
+$buildlogfilename = "$PSScriptRootFixed/buildlog-wxwidgets.log"
+$destinationRoot = "$PSScriptRootFixed"
+$output_directory = "$destinationRoot-$wxwidgetsVersion"
+$zip_file = "$output_directory.zip"
+$solution_name = "wx_vc15.sln"
+$configurations = @("Debug","Release")
+
+function get_elapsed_time($start_time)
+{
+    Write-Output "Time taken: $((Get-Date).Subtract($start_time).Minutes) minutes(s) $((Get-Date).Subtract($start_time).Seconds) second(s)"
+}
+
+if (!(Test-Path $zip_file)) {
+    Write-Host "Downloading WXWidgets v$wxwidgetsVersion..."
+    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+    $url = "https://github.com/wxWidgets/wxWidgets/releases/download/v$wxwidgetsVersion/wxWidgets-$wxwidgetsVersion.zip"
+    $start_time = Get-Date
+    $wc = New-Object System.Net.WebClient
+    $wc.DownloadFile($url, $zip_file)
+    get_elapsed_time($start_time)
+}
+else {
+    Write-Host "Already downloaded WXWidgets v$wxwidgetsVersion."
+}
+
+
+if (Test-Path $zip_file) {
+    if (!(Test-Path $output_directory)) {
+        Write-Host "Extracting WXWidgets..."
+        $start_time = Get-Date
+        Expand-Archive $zip_file -DestinationPath $output_directory -Force
+        get_elapsed_time($start_time)
+    }
+    else {
+        Write-Host "Already extracted WXWidgets v$wxwidgetsVersion.zip."
+    }
+}
+
+if(Test-Path $output_directory)
+{
+    Set-Location "$output_directory\build\msw"
+    Write-Host "Building wxwidgets..."
+    Foreach($configuration in $configurations)
+    {
+        $start_time = Get-Date
+        Write-Host "Building $configuration configuration..."
+        & MSBuild.exe $solution_name /p:PlatformToolset=v141_xp /m:${jobs} /m /p:Configuration=$configuration /v:q /t:Clean,Rebuild  /p:WarningLevel=4 | Out-File -Encoding UTF8 -FilePath "$buildlogfilename"
+        get_elapsed_time($start_time)
+    }
+}
+
+Set-Location ..\..\
+if (Test-Path $output_directory) {
+    $start_time = Get-Date
+    Write-Host "Copying files..."
+    Copy-Item -Path "$output_directory\lib" -Recurse -Destination "$destinationRoot" -Container
+    Copy-Item -Path "$output_directory\include" -Recurse -Destination "$destinationRoot" -Container
+    get_elapsed_time($start_time)
+}
+
+if($deleteFiles)
+{
+    Write-Host "Cleaning up"
+    Remove-Item -Path $output_directory -Recurse -Force
+    Remove-Item -Path $zip_file -Recurse -Force
+}
+
+Set-Location $PSScriptRootFixed