Performing configuration checks - has_icu builds : no warning: Graph library does not contain MPI-based parallel components. note: to enable them, add "using mpi ;" to your user-config.jam - iconv (libc) : no - iconv (separate) : yes - icu : no - icu (lib64) : no - g++ -shared-* supported : yes - ../config//has_gcc_visibility builds : no - ../config//has_long_double_support builds : yes c:/projects/Boost/boost_1_49_0/tools/build/v2/build\virtual-target.jam:1079: in virtual-target.register-actual-name from module virtual-target error: Duplicate name of actual target: libboost_exception-mgw45-d-1_49.a error: previous virtual target { common%common.copy-libboost_exception-mgw45-d-1_49.a.STATIC_LIB { gcc%gcc.archive-libboost_exception-mgw45-d-1_49.a.STATIC_LIB { gcc%gcc.compile.c++-clone_current_exception_non_intrusive.o.OBJ { clone_current_exception_non_intrusive.cpp.CPP } } } } error: created from ./stage-proper error: another virtual target { common%common.copy-libboost_exception-mgw45-d-1_49.a.STATIC_LIB { gcc%gcc.archive-libboost_exception-mgw45-d-1_49.a.STATIC_LIB { gcc%gcc.compile.c++-clone_current_exception_non_intrusive.o.OBJ { clone_current_exception_non_intrusive.cpp.CPP } } } } error: created from ./stage-proper error: added properties: -shared-libgcc -shared-libstdc++ error: removed properties: none c:/projects/Boost/boost_1_49_0/tools/build/v2/build\virtual-target.jam:490: in actualize-no-scanner from module object(file-target)@5938 c:/projects/Boost/boost_1_49_0/tools/build/v2/build\virtual-target.jam:135: in object(file-target)@5938.actualize from module object(file-target)@5938 c:/projects/Boost/boost_1_49_0/tools/build/v2\build-system.jam:749: in load from module build-system c:\projects\Boost\boost_1_49_0\tools\build\v2/kernel\modules.jam:283: in import from module modules c:\projects\Boost\boost_1_49_0\tools\build\v2\kernel\bootstrap.jam:142: in boost-build from module c:\projects\Boost\boost_1_49_0\boost-build.jam:17: in module scope from module