bash-completion mojave install error

[nhojpatrick (John Patrick)]

Just upgraded to Mojave, reinstalled Ports and followed ​https://trac.macports.org/wiki/Migration, also looked at ​https://trac.macports.org/ticket/57245 which additionally talks about doing xcode-select --install and xcodebuild -license which I've done.

I've also got Terminal set to /opt/local/bin/bash -l and when i relaunch I get this;

[Command not found: /opt/local/bin/bash]

[Could not create a new process and open a pseudo-tty.]

This is the error I see;

--->  Computing dependencies for bash-completion
--->  Dependencies to be installed: bash gettext libiconv gperf ncurses
Error: gperf cannot be installed for the configured universal_archs 'x86_64 i386' because it only supports the arch(s) ''.
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_gperf/gperf/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port bash-completion failed

[nhojpatrick (John Patrick)]

/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_gperf/gperf/main.log