Debian 9 / 10: Could not open library 'opencc': opencc: cannot open shared object file: No such file or directory

[msg7086]

Steps to reproduce

On Debian 9 (Stretch) or 10 (Buster):

apt install libopencc2
gem install ropencc

Expected

require 'ropencc' should work.

Actual

LoadError: Could not open library 'opencc': opencc: cannot open shared object file: No such file or directory.
Could not open library 'libopencc.so': libopencc.so: cannot open shared object file: No such file or directory
/var/lib/gems/2.5.0/gems/ffi-1.9.25/lib/ffi/library.rb:145:in `block in ffi_lib'
/var/lib/gems/2.5.0/gems/ffi-1.9.25/lib/ffi/library.rb:99:in `map'
/var/lib/gems/2.5.0/gems/ffi-1.9.25/lib/ffi/library.rb:99:in `ffi_lib'
/var/lib/gems/2.5.0/gems/ropencc-0.0.6/lib/ropencc.rb:8:in `<module:LibOpenCC>'
/var/lib/gems/2.5.0/gems/ropencc-0.0.6/lib/ropencc.rb:6:in `<class:Ropencc>'
/var/lib/gems/2.5.0/gems/ropencc-0.0.6/lib/ropencc.rb:5:in `<top (required)>'

Workaround

ln -s /usr/lib/x86_64-linux-gnu/{libopencc.so.2,libopencc.so}

This issue is just FYI for future reference.