Make compilation w/ clang++ also work on CentOS 7.
Make compilation w/ clang++ also work on CentOS 7.

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools