Greetings I am trying to biuld boost-1.46.1 on computer with these:- --cpu amd64 2 cores --os 64bit cblfs linux-2.6.37.2 gcc-4.5.2/python-2.7.1//icu-4.5.2. Results are as follows:- prelims: sh bootstrap.sh \ --prefix=/usr \ --with-toolset=gcc \ --with-bjam=/usr/bin/bjam \ --with-python=python \ --with-python-root=/usr bjam: /usr/bin/bjam --------- running bjam ends like so:- ~/boost_1_46_1/tools/build/v2/build/configure.jam:145: in builds-raw *** argument error * rule UPDATE_NOW ( targets * : log ? : ignore-minus-n ? ) * called with: ( <p~/boost_1_46_1/build/boost/bin.v2/libs/regex/build/gcc-4.5.2/debug>has_icu : : ignore-minus-n : ignore-minus-q ) * extra argument ignore-minus-q (builtin):see definition of rule 'UPDATE_NOW' being called ~/boost_1_46_1/tools/build/v2/build/configure.jam:179: in configure.builds ~/boost_1_46_1/tools/build/v2/build/configure.jam:216: in object(check-target- builds-worker)@416.check ~/boost_1_46_1/tools/build/v2/kernel/modules.jam:103: in modules.call-in ~/boost_1_46_1/tools/build/v2/util/indirect.jam:96: in indirect.call ~/boost_1_46_1/tools/build/v2/build/targets.jam:1012: in targets.evaluate- requirements ~/boost_1_46_1/tools/build/v2/build/targets.jam:1393: in basic-target.compute- usage-requirements ~/boost_1_46_1/tools/build/v2/build/alias.jam:47: in compute-usage- requirements ~/boost_1_46_1/tools/build/v2/build/targets.jam:1319: in object(alias-target- class)@420.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:732: in generate-really ~/boost_1_46_1/tools/build/v2/build/targets.jam:704: in object(main- target)@810.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:848: in targets.generate-from- reference ~/boost_1_46_1/tools/build/v2/build/targets.jam:1217: in generate-dependencies ~/boost_1_46_1/tools/build/v2/build/targets.jam:1268: in object(typed- target)@423.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:732: in generate-really ~/boost_1_46_1/tools/build/v2/build/targets.jam:704: in object(main- target)@811.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:848: in targets.generate-from- reference ~/boost_1_46_1/tools/build/v2/build/targets.jam:1217: in generate-dependencies ~/boost_1_46_1/tools/build/v2/build/targets.jam:1266: in object(typed- target)@194.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:732: in generate-really ~/boost_1_46_1/tools/build/v2/build/targets.jam:704: in object(main- target)@792.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:258: in object(project- target)@185.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:848: in targets.generate-from- reference ~/boost_1_46_1/tools/build/v2/build/targets.jam:1217: in generate-dependencies ~/boost_1_46_1/tools/build/v2/build/targets.jam:1268: in object(install- target-class)@120.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:732: in generate-really ~/boost_1_46_1/tools/build/v2/build/targets.jam:704: in object(main- target)@622.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:848: in targets.generate-from- reference ~/boost_1_46_1/tools/build/v2/build/targets.jam:1217: in generate-dependencies ~/boost_1_46_1/tools/build/v2/build/targets.jam:1268: in alias-target- class.generate Jamroot:648: in build-multiple Jamroot:612: in object(top-level-target)@127.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:732: in generate-really ~/boost_1_46_1/tools/build/v2/build/targets.jam:704: in object(main- target)@626.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:848: in targets.generate-from- reference ~/boost_1_46_1/tools/build/v2/build/targets.jam:1217: in generate-dependencies ~/boost_1_46_1/tools/build/v2/build/targets.jam:1268: in alias-target- class.generate Jamroot:648: in build-multiple Jamroot:612: in object(top-level-target)@128.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:732: in generate-really ~/boost_1_46_1/tools/build/v2/build/targets.jam:704: in object(main- target)@627.generate ~/boost_1_46_1/tools/build/v2/build/targets.jam:258: in object(project- target)@70.generate ~/boost_1_46_1/tools/build/v2/build-system.jam:735: in load ~/boost_1_46_1/tools/build/v2/kernel/modules.jam:283: in import ~/boost_1_46_1/tools/build/v2/kernel/bootstrap.jam:142: in boost-build ~/boost_1_46_1/boost-build.jam:17: in module scope . -------------- advice would be appreciated. sincerely luxInteg ps it compiles on another machine with gcc-4.4.2/python-2.6.4/icu-4.2.1