Hi Tarik, Tarik BENZ <tenchu.tarik at hotmail.fr> writes: > ..\ODB\odb-2.2.1-i686-windows\bin\odb -I ..\boost_1_53_0\stage\lib ... The -I option expects the path to headers while you are passing the location of Boost libraries. Try something like this: -I ..\boost_1_53_0 Boris