Include build customization in MSBuildAllProjects

Author: sharwell

Antlr3.Targets/Directory.Build.props

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
 
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+  </PropertyGroup>
+
   <Import Project="../Directory.Build.props" />
 
   <PropertyGroup>

Antlr3.Targets/Directory.Build.targets

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
 
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+  </PropertyGroup>
+
   <Target Name="RemoveTransitiveProjectReferences" AfterTargets="IncludeTransitiveProjectReferences">
     <ItemGroup>
       <ProjectReference Remove="@(_TransitiveProjectReferences)" />

Directory.Build.props

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
 
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+  </PropertyGroup>
+
   <PropertyGroup>
     <!--
       These properties are used by Directory.Build.props. Make sure they are set early enough for cases where they are

Directory.Build.targets

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
 
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+  </PropertyGroup>
+
   <PropertyGroup>
     <!-- Default NuGet package properties. Additional items set in Directory.Build.props. -->
     <PackageVersion Condition="'$(PackageVersion)' == ''">$(InformationalVersion)</PackageVersion>