On Mar 22, 2018, at 18:26, Qianqian Fang wrote: > I don't know if this si common, but when I tried to install gdb (because my > lazarus 1.8 complains about missing gdb) using > > sudo port install gdb > > I got an error when installing the dependency package xz, with the following > error > > my port was updated and has the latest version.
I have not seen this problem with the xz port. Could you tell us what version of macOS and Xcode you have installed?