On Jun 25, 2021, at 18:07, Tabitha McNerney wrote:
> Hi all,
>
> I haven't installed a fresh MacPorts system in quite some time but will soon
> be doing so on a few Macs one running Catalina and the other Big Sur.
> Starting with Catalina, the root volume / is read-only so how do the MacPorts
> package installers set things up such that /opt/local can remain the default
> path to MacPorts for both read and write functionality on Catalina and Big
> Sur? Do the MacPorts package installers make use of Apple's new
> bi-directional firmlinks capability defined in /etc/synthetic.conf as also
> described on this page?
>
> https://derflounder.wordpress.com/2020/01/18/creating-root-level-directories-and-symbolic-links-on-macos-catalina/
>
> Thank you.
I'm not aware of MacPorts doing anything special for this. It just works?