Warnings when compile on Ubuntu 8.10

[daniel]

Installing pgRouting on Ubuntu 8.10 gives a couple of warnings:

daniel@daniel-laptop:~/build/pgrouting$ make
Scanning dependencies of target routing_tsp
[ 12%] Building C object extra/tsp/src/CMakeFiles/routing_tsp.dir/tsp.o
[ 25%] Building CXX object extra/tsp/src/CMakeFiles/routing_tsp.dir/tsp_solver.o
Linking CXX shared library ../../../lib/librouting_tsp.so
[ 25%] Built target routing_tsp
Scanning dependencies of target routing
[ 37%] Building C object core/src/CMakeFiles/routing.dir/dijkstra.o
[ 50%] Building C object core/src/CMakeFiles/routing.dir/astar.o
[ 62%] Building C object core/src/CMakeFiles/routing.dir/shooting_star.o
[ 75%] Building CXX object core/src/CMakeFiles/routing.dir/boost_wrapper.o
In file included from /usr/include/c++/4.3/ext/hash_set:64,
                 from /usr/include/boost/graph/adjacency_list.hpp:22,
                 from /home/daniel/build/pgrouting/core/src/boost_wrapper.cpp:25:
/usr/include/c++/4.3/backward/backward_warning.h:33:2: warning: #warning This file includes at least one deprecated or antiquated header which may be removed without further notice at a future date. Please use a non-deprecated interface with equivalent functionality instead. For a listing of replacement headers and interfaces, consult the file backward_warning.h. To disable this warning use -Wno-deprecated.
[ 87%] Building CXX object core/src/CMakeFiles/routing.dir/astar_boost_wrapper.o
In file included from /usr/include/c++/4.3/ext/hash_set:64,
                 from /usr/include/boost/graph/adjacency_list.hpp:22,
                 from /home/daniel/build/pgrouting/core/src/astar_boost_wrapper.cpp:25:
/usr/include/c++/4.3/backward/backward_warning.h:33:2: warning: #warning This file includes at least one deprecated or antiquated header which may be removed without further notice at a future date. Please use a non-deprecated interface with equivalent functionality instead. For a listing of replacement headers and interfaces, consult the file backward_warning.h. To disable this warning use -Wno-deprecated.
[100%] Building CXX object core/src/CMakeFiles/routing.dir/shooting_star_boost_wrapper.o
In file included from /usr/include/c++/4.3/ext/hash_set:64,
                 from /usr/include/boost/graph/adjacency_list.hpp:22,
                 from /home/daniel/build/pgrouting/core/src/shooting_star_boost_wrapper.cpp:25:
/usr/include/c++/4.3/backward/backward_warning.h:33:2: warning: #warning This file includes at least one deprecated or antiquated header which may be removed without further notice at a future date. Please use a non-deprecated interface with equivalent functionality instead. For a listing of replacement headers and interfaces, consult the file backward_warning.h. To disable this warning use -Wno-deprecated.
Linking CXX shared library ../../lib/librouting.so
[100%] Built target routing