> what OS is that on ? > > yes, on 10.6 and newer I would expect to see that, but on 10.5 it > shouldn't be the case. > > Chris i.e. see line 43 in https://github.com/macports/macports-ports/blob/master/lang/gcc7/Portfile and then line 216. The depends_run on libgcc8 is only set for Darwin 10 or newer. Chris