prepare for SourceLink support

src/csharp/Grpc.Auth/Grpc.Auth.csproj

@@ -15,12 +15,12 @@
     <PackageTags>gRPC RPC Protocol HTTP/2 Auth OAuth2</PackageTags>
     <PackageProjectUrl>https://github.com/grpc/grpc</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/grpc/grpc/blob/master/LICENSE</PackageLicenseUrl>
-    <IncludeSymbols>true</IncludeSymbols>
-    <IncludeSource>true</IncludeSource>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
+  <Import Project="..\Grpc.Core\SourceLink.csproj.include" />
+
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs" />
   </ItemGroup>

src/csharp/Grpc.Core.Testing/Grpc.Core.Testing.csproj

@@ -15,12 +15,12 @@
     <PackageTags>gRPC test testing</PackageTags>
     <PackageProjectUrl>https://github.com/grpc/grpc</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/grpc/grpc/blob/master/LICENSE</PackageLicenseUrl>
-    <IncludeSymbols>true</IncludeSymbols>
-    <IncludeSource>true</IncludeSource>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
+  <Import Project="..\Grpc.Core\SourceLink.csproj.include" />
+
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs" />
   </ItemGroup>

src/csharp/Grpc.Core/Grpc.Core.csproj

@@ -14,12 +14,12 @@
     <PackageTags>gRPC RPC Protocol HTTP/2</PackageTags>
     <PackageProjectUrl>https://github.com/grpc/grpc</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/grpc/grpc/blob/master/LICENSE</PackageLicenseUrl>
-    <IncludeSymbols>true</IncludeSymbols>
-    <IncludeSource>true</IncludeSource>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
+  <Import Project="SourceLink.csproj.include" />
+
   <ItemGroup>
     <EmbeddedResource Include="..\..\..\etc\roots.pem" />
     <Content Include="..\nativelibs\csharp_ext_macos_x64\libgrpc_csharp_ext.dylib">

src/csharp/Grpc.Core/SourceLink.csproj.include

@@ -0,0 +1,19 @@
+<!-- Ensure that debugging of the resulting NuGet packages work (we're using SourceLink). -->
+<Project>
+
+  <ItemGroup Label="dotnet pack instructions">
+    <Content Include="$(OutputPath)netstandard1.5\$(PackageId).pdb">
+      <Pack>true</Pack>
+      <PackagePath>lib/netstandard1.5</PackagePath>
+    </Content>
+    <Content Include="$(OutputPath)net45\$(PackageId).pdb">
+      <Pack>true</Pack>
+      <PackagePath>lib/net45</PackagePath>
+    </Content>
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="SourceLink.Test" Version="2.7.3" PrivateAssets="all" />
+  </ItemGroup>
+
+</Project>

src/csharp/Grpc.HealthCheck/Grpc.HealthCheck.csproj

@@ -14,12 +14,12 @@
     <PackageTags>gRPC health check</PackageTags>
     <PackageProjectUrl>https://github.com/grpc/grpc</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/grpc/grpc/blob/master/LICENSE</PackageLicenseUrl>
-    <IncludeSymbols>true</IncludeSymbols>
-    <IncludeSource>true</IncludeSource>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
+  <Import Project="..\Grpc.Core\SourceLink.csproj.include" />
+
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs" />
   </ItemGroup>

src/csharp/Grpc.Reflection/Grpc.Reflection.csproj

@@ -14,12 +14,12 @@
     <PackageTags>gRPC reflection</PackageTags>
     <PackageProjectUrl>https://github.com/grpc/grpc</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/grpc/grpc/blob/master/LICENSE</PackageLicenseUrl>
-    <IncludeSymbols>true</IncludeSymbols>
-    <IncludeSource>true</IncludeSource>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
+  <Import Project="..\Grpc.Core\SourceLink.csproj.include" />
+
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs" />
   </ItemGroup>