Need help reverting to older library

[Ryan Schmidt]

> On Dec 9, 2020, at 01:30, list_email--- wrote:
> 
> 
>> On Dec 6, 2020, at 9:35 AM, Ken Cunningham wrote:
>> 
>> of course the simplest method of reverting to an older binary is to just reactivate it if you still have it installed, but inactive, after an update. 
>> 
>> This will show you what versions are installed:
>> 
>> port -v installed portname
>> 
>> and this: 
>> 
>> port activate portname
>> 
> I like this approach. Unfortunately, I have only the current version:
> 
>   shapelib @1.5.0_0 (active)
> 
> Is there some way that I can set this aside and install the version I need and then make it active?

Instructions are at https://trac.macports.org/wiki/howto/InstallingOlderPort