producing .native.dbg files from test-suite

I see the test-suite makefiles include build rules for .native.dbg files. (which seem to be simply executables with debug info included). However, when running make in the test-suite directory no .native.dbg files are actually created. Everything else seems to be compiling just fine. Any idea what I need to do in order to get the executables with debug info to actually compile in the test-suite project?