Hi,I go there http://www.boost.org/doc/html/jam/building.htmlI 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 --versionInstead 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 :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 _________________________________________________________________ Téléchargez gratuitement l'économiseur d'écran Les Simson Le film ! http://specials.divertissements.fr.msn.com/lessimpsonlefilm/economiseur.aspx