@@ -411,11 +411,12 @@ Executable Example-CustomTupleable
411411 Main-Is: examples/CustomTupleable.hs
412412 GHC-Options: -Wall -threaded
413413
414−Executable Example-DerivingCustomTupleable
415− Default-Language: Haskell2010
416− Build-Depends: base, text, deepseq, binary, project-m36
417− Main-Is: examples/DerivingCustomTupleable.hs
418− GHC-Options: -Wall -threaded
414+-- requires ghc >= 8.6.1
415+-- Executable Example-DerivingCustomTupleable
416+ -- Default-Language: Haskell2010
417+ -- Build-Depends: base, text, deepseq, binary, project-m36
418+ -- Main-Is: examples/DerivingCustomTupleable.hs
419+ -- GHC-Options: -Wall -threaded
419420
420421Test-Suite test-scripts
421422 Default-Language: Haskell2010