Created attachment 180230 [details]
OpenGTL appeared to be dead upstream when I patched it to build with LLVM 3.3 a year and a half ago. When Calligra was updated to 2.9 in Dec 2015, there was no longer any consumer of QtGtl, and QtGtl is the only consumer of OpenGTL, so both have been useless for over a year. The domain no longer resolves so I don't think these are coming back and the version of LLVM they work with is EOL.
A commit references this bug:
Date: Tue Mar 7 11:50:49 UTC 2017
New revision: 435596
Deprecate OpenGTL ports
Submitted by: rezny