[Boost-build] BJam error on OS X when trying to build Boost 1.41.0

Subject: [Boost-build] BJam error on OS X when trying to build Boost 1.41.0
From: Michael Jackson (mike.jackson_at_[hidden])
Date: 2009-12-04 13:53:31

525:[mjackson_at_Ferb:boost-1.41.0.cmake0]$ bjam toolset=darwin --with- 
system --with-test --with-filesystem --with-program_options --with- 
iostreams --with-thread variant=release,debug threading=multi  
link=static runtime-link=shared --prefix=/Users/Shared/Toolkits/ 
boost-1_41/ -layout=tagged architecture=combined address-model=32_64  
install

/Users/Shared/OpenSource/boost-1.41.0.cmake0/tools/build/v2/build/ 
virtual-target.jam:1066: in virtual-target.register-actual-name from  
module virtual-target
error: Duplicate name of actual target: <p/Users/Shared/Toolkits/ 
boost-1_41/lib>libboost_system.a
error: previous virtual target { common%common.copy- 
libboost_system.a.STATIC_LIB { darwin%darwin.archive- 
libboost_system.a.STATIC_LIB { darwin%darwin.compile.c++- 
error_code.o.OBJ { error_code.cpp.CPP } } } }
error: created from ./install-proper-lib-static
error: another virtual target { common%common.copy- 
libboost_system.a.STATIC_LIB { darwin%darwin.archive- 
libboost_system.a.STATIC_LIB { darwin%darwin.compile.c++- 
error_code.o.OBJ { error_code.cpp.CPP } } } }
error: created from ./install-proper-lib-static
error: added properties: <debug-symbols>on <inlining>off  
<optimization>off <runtime-debugging>on <variant>debug
error: removed properties: <debug-symbols>off <define>NDEBUG  
<inlining>full <optimization>speed <runtime-debugging>off  
<variant>release
/Users/Shared/OpenSource/boost-1.41.0.cmake0/tools/build/v2/build/ 
virtual-target.jam:490: in actualize-no-scanner from module  
object(file-target)@29502
/Users/Shared/OpenSource/boost-1.41.0.cmake0/tools/build/v2/build/ 
virtual-target.jam:135: in object(file-target)@29502.actualize from  
module object(file-target)@29502
/Users/Shared/OpenSource/boost-1.41.0.cmake0/tools/build/v2/build- 
system.jam:717: in load from module build-system
/Users/Shared/OpenSource/boost-1.41.0.cmake0/tools/build/v2/kernel/ 
modules.jam:283: in import from module modules
/Users/Shared/OpenSource/boost-1.41.0.cmake0/tools/build/v2/kernel/ 
bootstrap.jam:142: in boost-build from module
/Users/Shared/OpenSource/boost-1.41.0.cmake0/boost-build.jam:17: in  
module scope from module

OS X 10.5.8 Intel, GCC 4.2.1 (Xcode tools).

Is this a know issue?

_________________________________________________________
Mike Jackson                  mike.jackson_at_[hidden]
BlueQuartz Software                    www.bluequartz.net
Principal Software Engineer                  Dayton, Ohio