ayaports/user/dotnet7-build/runtime_enable-system-libunwind.diff

diff --git a/src/runtime/eng/SourceBuild.props b/src/runtime/eng/SourceBuild.props
index 32e6d9c0ba..8e2a7f9931 100644
--- a/src/runtime/eng/SourceBuild.props
+++ b/src/runtime/eng/SourceBuild.props
@@ -51,6 +51,7 @@
       <InnerBuildArgs>$(InnerBuildArgs) /p:DisableSourceLink=false</InnerBuildArgs>
       <InnerBuildArgs>$(InnerBuildArgs) /p:AdditionalRuntimeIdentifierParent=$(BaseOS)</InnerBuildArgs>
       <InnerBuildArgs Condition="'$(SourceBuildUseMonoRuntime)' == 'true'">$(InnerBuildArgs) /p:PrimaryRuntimeFlavor=Mono /p:RuntimeFlavor=Mono</InnerBuildArgs>
+      <InnerBuildArgs>$(InnerBuildArgs) --cmakeargs -DCLR_CMAKE_USE_SYSTEM_LIBUNWIND=TRUE</InnerBuildArgs>
     </PropertyGroup>
   </Target>