Heh, haste. It happens occasionally to all of us. piaware requires tls, but that has nothing to do with tcl; the two just look similar to the eye.
The piaware feed applications (faup* etc) make encrypted connections to the FA servers. That’s what they need tls for, and it has to be present at build time. On redhattish systems it would probably be provided by openssl-devel and/or gnutls-devel.
Edit: I just read your original post. The error is here:
Checked
openssl, found it is already installed:
[abcd@localhost ~]$ sudo dnf install openssl
You needed openssl-devel.