when the non-default option TOC2MP3 is selected, it fails when staging with:
===> Staging for cdrdao-1.2.3_5
===> Generating temporary packing list
install: /usr/ports/sysutils/cdrdao/work/cdrdao-1.2.3/utils/toc2mp3: No such file or directory
*** Error code 71
The error is obvious but i'm not familiar enough with this port to come up with an patch. Hopefully you can fix this.
Checking my build-machine i see the first failure at 2017-04-24. Maybe some days before, since it was offline a few days.
A commit references this bug:
Date: Thu May 4 18:56:20 UTC 2017
New revision: 440113
Fix build with TOC2MP3 set after the switch to USE_CXXSTD=c++11 in r439255.