Manually construct the precompilation nupkg.

- We needed to manually construct the precompilation nupkg in order for the tool to work in 32 and 64 bitness OS'.

src/Microsoft.AspNetCore.Mvc.Razor.ViewCompilation/Microsoft.AspNetCore.Mvc.Razor.ViewCompilation.csproj

@@ -11,11 +11,29 @@
     <PreserveCompilationContext>true</PreserveCompilationContext>
     <OutputType>exe</OutputType>
     <X86ProjectDirectory>..\..\tools\Microsoft.AspNetCore.Mvc.Razor.ViewCompilation-x86\</X86ProjectDirectory>
+
+    <!--
+      This prevents dotnet from automatically generating a lib/tfm/*.dll; in turn we're then able
+      to exclude the lib/net461 and manually construct only the necessary folders:
+      - lib/netcoreapp2.0/...
+      - runtimes/win7-x64/lib/...
+      - runtimes/win7-x86/lib/...
+    -->
+    <IncludeBuildOutput>false</IncludeBuildOutput>
   </PropertyGroup>
 
   <ItemGroup>
-    <None Include="build\**\*" Pack="true" PackagePath="%(Identity)" />
+    <None Include="build\common.targets" Pack="true" PackagePath="%(Identity)" />
-    <None Include="$(X86ProjectDirectory)\bin\$(Configuration)\net461\win7-x86\$(MSBuildThisFileName)-x86.exe" Pack="true" PackagePath="lib\net461\$(MSBuildThisFileName)-x86.exe" />
+    <None Include="lib\net461\_._" Pack="true" PackagePath="%(Identity)" />
+    <None Include="build\netcoreapp2.0\*" Pack="true" PackagePath="%(Identity)" />
+    <None Include="bin\$(Configuration)\netcoreapp2.0\$(AssemblyName).dll" Pack="true" PackagePath="lib\netcoreapp2.0\$(AssemblyName).dll" />
+    <None Include="bin\$(Configuration)\netcoreapp2.0\$(AssemblyName).runtimeconfig.json" Pack="true" PackagePath="lib\netcoreapp2.0\$(AssemblyName).runtimeconfig.json" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(OS)' == 'Windows_NT' ">
+    <None Include="build\net461\*" Pack="true" PackagePath="%(Identity)" />
+    <None Include="bin\$(Configuration)\net461\win7-x64\$(AssemblyName).exe" Pack="true" PackagePath="runtimes\win7-x64\lib\net461\$(AssemblyName).exe" />
+    <None Include="$(X86ProjectDirectory)\bin\$(Configuration)\net461\win7-x86\$(AssemblyName)-x86.exe" Pack="true" PackagePath="runtimes\win7-x86\lib\net461\$(AssemblyName)-x86.exe" />
   </ItemGroup>
 
   <ItemGroup>