building an older version of a port?

Lothar Haeger lothar.haeger at
Wed Aug 12 11:56:18 UTC 2020

See and maybe

> Am 12.08.2020 um 13:54 schrieb Richard L. Hamilton <rlhamil at>:
> I've forgotten how to do this, can someone explain it? I've fetched the old version of the Portfile corresponding to the version that I want. Specifically, there are some problems thought to be due to bison 3.7 and later, so I want to build bison 3.6.4 (keeping 3.7.1, but deactivated).

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