I'm trying to build some libraries from Boost using bjam, as it is suggested here(http://www.boost.org/doc/libs/1_45_0/doc/html/boost_asio/using.html). Because i have more than one compiler installed, I've changed the command line a bit to chose the toolset(mingw that comes together with Qt SDK) explicitly:

D:\boost_1_45_0>bjam toolset=gcc --with-system --with-thread --with-datetime --with-regex --with-serialization stage

Immediately i get the error message:

mingw.jam: No such file or directory
D:/boost_1_45_0/tools/build/v2/build\toolset.jam:38: in toolset.using
rule mingw.init unknown in module toolset.
D:/boost_1_45_0/tools/build/v2/build\project.jam:881: in using
project-config.jam:1: in modules.load
D:/boost_1_45_0/tools/build/v2\build-system.jam:257: in load-config
D:/boost_1_45_0/tools/build/v2\build-system.jam:423: in load-configuration-files

D:/boost_1_45_0/tools/build/v2\build-system.jam:554: in load
D:\boost_1_45_0\tools\build\v2/kernel\modules.jam:283: in import
D:\boost_1_45_0\tools\build\v2\kernel\bootstrap.jam:142: in boost-build
D:\boost_1_45_0\boost-build.jam:17: in module scope



what should i do?