/usr/bin/bzip2 has been part of the base system since 4.4,
therefor it's not necessary to explicitely check for it.
Maintainer of cad/gtkwave,
Please note that PR ports/88995 has just been submitted.
If it contains a patch for an upgrade, an enhancement or a bug fix
you agree on, reply to this email stating that you approve the patch
and a committer will take care of it.
The full text of the PR can be found at:
Ask for maintainer approval.
I'll take it.