BW> When I compiled/installed cryptlib 3.4.5 with gcc 10 on Debian 11, I
 BW> used this (sorry for any unintended linebreaks):
 BW> wget
 BW> https://cryptlib-release.s3-ap-southeast-1.amazonaws.com/cryptlib345.zip
 BW> unzip -a cryptlib345.zip
 BW> 
 BW> # for gcc version 10 (existing logic incorrectly detect/interprets
 BW> # this as gcc 1.0)
 BW> sed -i 's/if \[ "$GCC_VER" -ge 45 \]/if [ "$GCC_VER" -eq 10 ] || [
 BW> "$GCC_VER" -ge 45 ]/g' tools/ccopts.sh
 BW> 
 BW> make shared
 BW> ln -s libcl.so.* libcl.so
 BW> mkdir -p ~/cryptlib
 BW> /bin/cp -df libcl.so* ~/cryptlib/
 BW> 
 BW> ...and then set LD_LIBRARY_PATH for Mystic (MIS) to ~/cryptlib, e.g.
 BW> /home/bbs/cryptlib.

I have a compiled version on my BBS too. Already done.

... Intelligence tests are biased toward the literate.

--- Mystic BBS v1.12 A48 (Linux/64)