commit https://reviews.freebsd.org/rP554893 makes all ports not working anymore…
Can’t make any ports – “set: Illegal option -o pipefail”
# make set: Illegal option -o pipefail ===> Options unchanged You may use the following build options: WITH_BIG_CONCURRENCY_PATCH_CONCURRENCY_LIMIT=NUMBER (default NUMBER=) set this to a value reasonable for your system if you use the patch /!\ ERROR: /!\ Ports Collection support for your FreeBSD version has ended, and no ports are guaranteed to build on this system. Please upgrade to a supported release. No support will be provided if you silence this message by defining ALLOW_UNSUPPORTED_SYSTEM. *** Error code 1 Stop. make[1]: stopped in /usr/ports/mail/qmail-tls *** Error code 1 Stop. make: stopped in /usr/ports/mail/qmail-tls
Solution
Update to 12.2