"Waldemar Kornewald" <Waldemar.Kornewald@xxxxxx> wrote: > what is the difference beween: > > Preference mypref : > source1.cpp > source2.cpp > : be root extralib.a > ; > > and > > Preference mypref : > source1.cpp > source2.cpp > ; > > LinkSharedOSLibs mypref : be root extralib.a ; I would guess that the former solution does not create a dependency while the former does; dunno though. In any case, specifiying "root" here is not needed, since it's always automatically linked against unless you specficially say that ld shouldn't do that. Bye, Axel.