From b6b69025c3c5d64f73faa3445fa3f17c967a8337 Mon Sep 17 00:00:00 2001
From: Alexander Karatarakis <alkarata@microsoft.com>
Date: Wed, 8 Feb 2017 19:34:19 -0800
Subject: [PATCH] bootstrap.ps1 now detects the available Windows SDKs

---
 scripts/bootstrap.ps1                 |  3 +-
 scripts/findTargetPlatformVersion.ps1 | 43 +++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 scripts/findTargetPlatformVersion.ps1

diff --git a/scripts/bootstrap.ps1 b/scripts/bootstrap.ps1
index 98ccb40ad75..9907e31fbc0 100644
--- a/scripts/bootstrap.ps1
+++ b/scripts/bootstrap.ps1
@@ -26,7 +26,8 @@ try{
     $msbuildExeWithPlatformToolset = & $scriptsDir\findAnyMSBuildWithCppPlatformToolset.ps1
     $msbuildExe = $msbuildExeWithPlatformToolset[0]
     $platformToolset = $msbuildExeWithPlatformToolset[1]
-    & $msbuildExe "/p:VCPKG_VERSION=-$gitHash" "/p:DISABLE_METRICS=$disableMetrics" /p:Configuration=Release /p:Platform=x86 /p:PlatformToolset=$platformToolset /m dirs.proj
+    $targetPlatformVersion = & $scriptsDir\findTargetPlatformVersion.ps1
+    & $msbuildExe "/p:VCPKG_VERSION=-$gitHash" "/p:DISABLE_METRICS=$disableMetrics" /p:Configuration=Release /p:Platform=x86 /p:PlatformToolset=$platformToolset /p:TargetPlatformVersion=$targetPlatformVersion /m dirs.proj
 
     Write-Verbose("Placing vcpkg.exe in the correct location")
 
diff --git a/scripts/findTargetPlatformVersion.ps1 b/scripts/findTargetPlatformVersion.ps1
new file mode 100644
index 00000000000..5bc6cf854aa
--- /dev/null
+++ b/scripts/findTargetPlatformVersion.ps1
@@ -0,0 +1,43 @@
+[CmdletBinding()]
+param(
+
+)
+
+Import-Module BitsTransfer
+
+$scriptsDir = split-path -parent $MyInvocation.MyCommand.Definition
+$CandidateProgramFiles = "${env:PROGRAMFILES(X86)}", "${env:PROGRAMFILES}"
+
+# Windows 10 SDK
+foreach ($ProgramFiles in $CandidateProgramFiles)
+{
+    $folder = "$ProgramFiles\Windows Kits\10\Include"
+    if (!(Test-Path $folder))
+    {
+        continue
+    }
+
+    $win10sdkVersions = Get-ChildItem $folder | Where-Object {$_.Name -match "^10"} | Sort-Object
+    $win10sdkVersionCount = $win10sdkVersions.Length
+
+    if ($win10sdkVersionCount -eq 0)
+    {
+        continue
+    }
+
+    return $win10sdkVersions[$win10sdkVersionCount - 1].ToString()
+}
+
+
+
+# Windows 8.1 SDK
+foreach ($ProgramFiles in $CandidateProgramFiles)
+{
+    $folder = "$ProgramFiles\Windows Kits\8.1\Include"
+    if (Test-Path $folder)
+    {
+        return "8.1"
+    }
+}
+
+throw "Could not detect a Windows SDK / TargetPlatformVersion"
\ No newline at end of file