Index: source-build-tarball/src/runtime.826f81a11ad17f415668fe1cb934bdaf00d36ea2/Directory.Build.props
===================================================================
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -7,6 +7,7 @@
          For offline builds we still set OfficialBuildId but we need to build all the packages for a single
          leg only, so we also take DotNetBuildFromSource  into account. -->
     <BuildingAnOfficialBuildLeg Condition="'$(BuildingAnOfficialBuildLeg)' == '' and '$(OfficialBuildId)' != '' and '$(DotNetBuildFromSource)' != 'true'">true</BuildingAnOfficialBuildLeg>
+    <UseSharedCompilation>false</UseSharedCompilation>
   </PropertyGroup>
 
   <PropertyGroup Label="CalculateTargetOS">