I've just uploaded a fix attempt for bug 884903 with Tesseract 4.00~git2188-cdc35338-2. I think it will fix this problem.
- Bug#884967: opencv: FTBFS on various architectu... Bas Couwenberg
- Processed: opencv: FTBFS on various archit... Debian Bug Tracking System
- Bug#884967: opencv: FTBFS on various archi... Jeff Breidenbach
- Bug#884967: marked as done (opencv: FTBFS ... Debian Bug Tracking System
