@@ -412,11 +412,12 @@ Executable Example-CustomTupleable
412412 Main-Is: examples/CustomTupleable.hs
413413 GHC-Options: -Wall -threaded
414414
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
415+-- requires ghc >= 8.6.1
416+-- Executable Example-DerivingCustomTupleable
417+ -- Default-Language: Haskell2010
418+ -- Build-Depends: base, text, deepseq, binary, project-m36
419+ -- Main-Is: examples/DerivingCustomTupleable.hs
420+ -- GHC-Options: -Wall -threaded
420421
421422Test-Suite test-scripts
422423 Default-Language: Haskell2010