Running ./bjam command produces the following error message: /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/property.jam:455: in property.translate-paths *** argument error * rule path.root ( path root ) * called with: ( ) * missing argument root /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/util/path.jam:201:see definition of rule 'root' being called /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/property-set.jam:386: in property-set.create-from-user-input /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/targets.jam:1531: in targets.main-target-usage-requirements /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/alias.jam:68: in alias /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/tools/python.jam:964: in configure /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/tools/python.jam:111: in python.init /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/toolset.jam:38: in using libs/python/build/Jamfile.v2:14: in modules.load /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/project.jam:313: in load-jamfile /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/project.jam:62: in project.load /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/project.jam:754: in project.use /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/project.jam:89: in load-used-projects /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/project.jam:73: in load /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build/project.jam:168: in project.find /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/build-system.jam:553: in load /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/kernel/modules.jam:283: in import /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/tools/build/v2/kernel/bootstrap.jam:138: in boost-build /mnt/gpfs.home/langrd/apl/boost/boost_1_40_0/boost-build.jam:16: in module scope I have tried Boost versions 1.47 and 1.40 both with/without IBM patch (https://www-304.ibm.com/support/docview.wss?uid=swg27018656). System AIX 6.1, xlc 11.1, bootstrap command: ./bootstrap.sh --with-toolset=vacpp --with-libraries=program_options,system,filesystem Please help, Daniel