commit 770be3d76bdc114f1ebc8c972478a92a55f9cdbe
author John Luo <johluo@microsoft.com> Fri Apr 05 19:59:14 2019 -0700
committer John Luo <johluo@microsoft.com> Fri Apr 05 19:59:26 2019 -0700
tree 60149d6aad314bd7ce402b20eac89fdf1fab72d7
parent 9580c45c65e0fb2032a5ac1375a210fd05b01639

Use ItemDefinitionGroup to define generator

src/csharp/Grpc.Tools/build/_protobuf/Google.Protobuf.Tools.targets

diff --git a/src/csharp/Grpc.Tools/build/_protobuf/Google.Protobuf.Tools.targets b/src/csharp/Grpc.Tools/build/_protobuf/Google.Protobuf.Tools.targets
index de2f66e..d159787 100644
--- a/src/csharp/Grpc.Tools/build/_protobuf/Google.Protobuf.Tools.targets
+++ b/src/csharp/Grpc.Tools/build/_protobuf/Google.Protobuf.Tools.targets
@@ -28,6 +28,7 @@
       <ProtoRoot Condition="'%(Protobuf.ProtoRoot)' == '' " />
       <CompileOutputs Condition="'%(Protobuf.CompileOutputs)' == ''">True</CompileOutputs>
       <OutputDir Condition="'%(Protobuf.OutputDir)' == '' ">$(Protobuf_OutputPath)</OutputDir>
+      <Generator Condition=" '$(DisableProtobufDesignTimeBuild)' != 'true' " >MSBuild:Compile</Generator>
     </Protobuf>
   </ItemDefinitionGroup>
 
@@ -46,11 +47,6 @@
 
     <!-- Remove Protobuf items from None -->
     <None Remove="@(Protobuf)" />
-
-    <!-- Add Generator attribute to trigger Protobuf compilation -->
-    <Protobuf Update="@(Protobuf)" >
-      <Generator>MSBuild:Compile</Generator>
-    </Protobuf>
   </ItemGroup>
 
   <PropertyGroup>