Revert "Revert "There are so many combinations that the libstdc++ library can be buil…""
Revert "Revert "There are so many combinations that the libstdc++ library can be buil…""

vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa