Hi, ok, I've added new lines to the email: I go there http://www.boost.org/doc/html/jam/building.html I do:C:\Documents and Settings\src\boost\tools\jam\src>build mingw --debug (like explained) A new folder named bin.ntx86.debug is added after I go there http://www.boost.org/doc/html/bbv2/installation.html : 1:(done) 2:I do:C:\Documents and Settings\src\boost\tools\build\v2> bjam --version Instead of seing:Boost.Build V2 (Milestone 11)Boost.Jam 03.1.14 I see:syntax error at EOFBoost.Build V2 (Milestone 11)Boost.Jam 03.1.14 3:I open the user-config.jam file (like explained) and I modify the file, the modification is the following: import toolset : using gcc ; # GCC configuration # Configure gcc (default version) using gcc : : "C:\mingw\bin\g++" ; 4:I copy bjam.exe from C:\Documents and Settings\src\boost\tools\build\v2 to C:\Documents and Settings\src\boost\tools\build\v2\example\hello and I run bjam (like explained): C:\Documents and Settings\src\boost\tools\build\v2\example\hello>bjam I get the following message: C:\Documents and Settings\src\boost\tools\build\v2\kernel\modules.jam:280 :in modules.importIMPORT error:rule gcc unknown in module "toolset." ... ...... ... Where is my error(4)? Thanks, David _________________________________________________________________ Créez un blog Messenger pour partager facilement toutes vos photos de vacances ! http://www.windowslive.fr/spaces/default.asp