From 21f231b3ad2c6acd36ced78fe86091b01ffd447f Mon Sep 17 00:00:00 2001
From: Manodasan Wignarajah <mawign@microsoft.com>
Date: Thu, 17 Jun 2021 12:22:15 -0700
Subject: [PATCH] Fixing targets when winrt.cs doesn't exist (#883)

* Fix targets.

* Fix slash
---
 nuget/Microsoft.Windows.CsWinRT.targets | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/nuget/Microsoft.Windows.CsWinRT.targets b/nuget/Microsoft.Windows.CsWinRT.targets
index d28fba9f7..bc6db1428 100644
--- a/nuget/Microsoft.Windows.CsWinRT.targets
+++ b/nuget/Microsoft.Windows.CsWinRT.targets
@@ -114,9 +114,9 @@ $(CsWinRTIncludeWinRTInterop)
     To ensure that modifications to input winmds are reflected in generated *.cs files, WinRT.cs is used as a build
     marker and updated to the most recent winmd timestamp. UpToDateCheckBuilt then captures the dependency from
     winmds to cs files.-->
-    <Touch Condition="'$(CsWinRTComponent)' != 'true'" Files="$(CsWinRTGeneratedFilesDir)/WinRT.cs" Time="%(CsWinRTInputs.ModifiedTime)"/>
-    <ItemGroup Condition="'$(CsWinRTComponent)' != 'true'">
-      <UpToDateCheckBuilt Include="$(CsWinRTGeneratedFilesDir)/WinRT.cs" Original="@(CsWinRTInputs)" />
+    <Touch Condition="'$(CsWinRTComponent)' != 'true' and Exists('$(CsWinRTGeneratedFilesDir)WinRT.cs')" Files="$(CsWinRTGeneratedFilesDir)WinRT.cs" Time="%(CsWinRTInputs.ModifiedTime)"/>
+    <ItemGroup Condition="'$(CsWinRTComponent)' != 'true' and Exists('$(CsWinRTGeneratedFilesDir)WinRT.cs')">
+      <UpToDateCheckBuilt Include="$(CsWinRTGeneratedFilesDir)WinRT.cs" Original="@(CsWinRTInputs)" />
     </ItemGroup>
   </Target>