-mkdir -p %{buildroot}%{_datadir}/gcov/obj/%{name}
-install -m 0644 gcov-obj/* %{buildroot}%{_datadir}/gcov/obj/%{name}
+builddir=$(basename $PWD)
+gcno_obj_dir=%{buildroot}%{_datadir}/gcov/obj/%{name}/"$builddir"
+mkdir -p "$gcno_obj_dir"
+find . -name '*.gcno' -exec cp --parents '{}' "$gcno_obj_dir" ';'