Exclude more projects and condition targets for source-build.

src/Compilers/Test/Directory.Build.Props

+<Project>
+  <Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Build.props', '$(MSBuildThisFileDirectory)../'))" />
+  <PropertyGroup>
+    <ExcludeFromSourceBuild>true</ExcludeFromSourceBuild>
+  </PropertyGroup>
+</Project>

src/NuGet/VisualStudio/VS.Tools.Roslyn.Package.csproj

@@ -49,7 +49,8 @@
   <Target Name="_Generate32BitCsc" 
           AfterTargets="Build"
           Inputs="$(ArtifactsBinDir)csc\$(Configuration)\net472\csc.exe"
-          Outputs="$(IntermediateOutputPath)csc.exe">
+          Outputs="$(IntermediateOutputPath)csc.exe"
+          Condition="'$(DotNetBuildFromSource)' != 'true'">
 
     <Copy SourceFiles="$(ArtifactsBinDir)csc\$(Configuration)\net472\csc.exe" DestinationFiles="$(IntermediateOutputPath)csc.exe"/>
     <Microsoft.DotNet.Arcade.Sdk.SetCorFlags FilePath="$(IntermediateOutputPath)csc.exe" AddFlags="Prefers32Bit,Requires32Bit" />

src/Setup/DevDivVsix/CompilersPackage/Microsoft.CodeAnalysis.Compilers.Setup.csproj

@@ -56,7 +56,8 @@
           AfterTargets="Build"
           BeforeTargets="SwixBuild"
           DependsOnTargets="_SetSwrFilePath;InitializeDesktopCompilerArtifacts;_PrepareDesktopCompilerArtifactsForOptimization;ApplyOptimizations"
-          Outputs="$(_SwrFilePath)">
+          Outputs="$(_SwrFilePath)"
+          Condition="'$(DotNetBuildFromSource)' != 'true'">
 
     <ItemGroup>
       <_File Include="@(DesktopCompilerArtifact)">

src/Setup/DevDivVsix/Directory.Build.targets

@@ -2,4 +2,4 @@
 <Project>
   <Import Project="..\..\..\Directory.Build.targets" />
   <Import Project="$(RepositoryEngineeringDir)targets\PackageProject.targets" Condition="'$(TargetFramework)' != ''"/>
-</Project>
\ No newline at end of file
+</Project>

src/Setup/Installer/Installer.Package.csproj

@@ -23,7 +23,8 @@
           AfterTargets="Pack"
           DependsOnTargets="_CalculateInputsOutputs;ResolveProjectReferences"
           Inputs="$(MSBuildAllProjects);$(_DeploymentVsixPath)"
-          Outputs="$(_InstallerFilePath)">
+          Outputs="$(_InstallerFilePath)"
+          Condition="'$(DotNetBuildFromSource)' != 'true'">
     <ItemGroup>
       <_Files Include="$(MSBuildProjectDirectory)\tools\*.*" TargetDir="tools"/>
       <_Files Include="$(MSBuildProjectDirectory)\scripts\*.*" TargetDir=""/>
@@ -42,4 +43,4 @@
       <FileWrites Include="$(_InstallerFilePath)"/>
     </ItemGroup>
   </Target>
-</Project>
\ No newline at end of file
+</Project>

src/Workspaces/Core/Desktop/Microsoft.CodeAnalysis.Workspaces.Desktop.csproj

@@ -5,6 +5,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>Microsoft.CodeAnalysis</RootNamespace>
     <TargetFramework>net472</TargetFramework>
+    <ExcludeFromSourceBuild>true</ExcludeFromSourceBuild>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System.ComponentModel.Composition" />
@@ -61,4 +62,4 @@
     <PublicAPI Include="PublicAPI.Shipped.txt" />
     <PublicAPI Include="PublicAPI.Unshipped.txt" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>

src/Workspaces/Core/MSBuild/Microsoft.CodeAnalysis.Workspaces.MSBuild.csproj

@@ -7,6 +7,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <TargetFrameworks>$(RoslynPortableTargetFrameworks)</TargetFrameworks>
     <DefineConstants>$(DefineConstants);WORKSPACE_MSBUILD</DefineConstants>
+    <ExcludeFromSourceBuild>true</ExcludeFromSourceBuild>
 
     <!-- NuGet -->
     <IsPackable>true</IsPackable>
@@ -53,4 +54,4 @@
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.EditorFeatures2.UnitTests" />
     <InternalsVisibleTo Include="DynamicProxyGenAssembly2" Key="$(MoqPublicKey)" LoadsWithinVisualStudio="false" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>