From 9b8c43f7801269899558fda7248a058175bff68e Mon Sep 17 00:00:00 2001
From: Jan Kotas <jkotas@microsoft.com>
Date: Thu, 23 Jun 2016 11:13:01 -0700
Subject: [PATCH] Fix build break in internal build

[tfs-changeset: 1614475]
---
 src/mscorlib/System.Private.CoreLib.csproj | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mscorlib/System.Private.CoreLib.csproj b/src/mscorlib/System.Private.CoreLib.csproj
index 5535c89466cd..3c5794f581e9 100644
--- a/src/mscorlib/System.Private.CoreLib.csproj
+++ b/src/mscorlib/System.Private.CoreLib.csproj
@@ -174,7 +174,11 @@
     </SplitTextStringResource>
   </ItemGroup>
 
-  <Target Name="CDefineChecker" BeforeTargets="Build">
+  <PropertyGroup>
+    <CheckCDefines Condition="'$(CheckCDefines)'==''">true</CheckCDefines>
+  </PropertyGroup>
+
+  <Target Name="CDefineChecker" BeforeTargets="Build" Condition="'$(CheckCDefines)'=='true'">
     <!-- Compiler Definition Verification -->
     <Message Importance="High" Text="============" />
     <PropertyGroup>