only can get static and share lib of release version ,no debug

./bjam toolset=sun stdlib=sun-stlport address-model=64 debug release stage

./bjam toolset=sun stdlib=sun-stlport address-model=64 variant=debug,release stage

error happen

./bjam toolset=sun stdlib=sun-stlport address-model=64 debug stage

will generate debug version ,but lib name is same as release

I want to get release and debug version with different name,how can I do,Thanks