Switch to USES=qt:5 and USE_QT.

ping?

Regenerate diff.

In D15903#337598, @tcberner wrote:

Could you update the diff using arc-diff?

In D15903#336408, @mat wrote:

The Makefile has badly ordered bits. Could you please read Chapter 15. Order of Variables in Port Makefiles and make the appropriates changes.

Also, could you use devel/arcanist, or at least generate a diff with full context like it does, with svn diff -x -U9999 or git diff -U9999.

• Use constant for exit code 23,
• Move manpage changes from top.xs to top.1,
• Proper error handling in find_pid().

@cem I'd appreciate if you could get this committed for me. I guess it needs to be properly MFCed so it gets into 11.2, and given that timeline is tight and I'm not very familiar with the process, it'll be better to get it done right from the first attempt.