Hi, I'm trying to compile bytestring using JHC, but I'm getting an error: Why: context reduction, no instance for: Jhc.Class.Ord.Eq (Jhc.ForeignPtr.ForeignPtr Jhc.Type.Word.Word8) Any ideas? jhc -V jhc 0.8.2 (mydniquipepo-32) compiled by ghc-7.8 on a x86_64 running darwin Thanks, Nawal. nawal ~/000_Level_1/095_haskell_2015/jhc/jhc-0.8.2-build$jhc --build-hl tmp/build/bytestring-0.9.2.0/bytestring.yaml -L- -L. -i- -itmp/build/bytestring-0.9.2.0 jhc --build-hl tmp/build/bytestring-0.9.2.0/bytestring.yaml -L- -L. -i- -itmp/build/bytestring-0.9.2.0 jhc 0.8.2 (mydniquipepo-32) Creating library from description file: "tmp/build/bytestring-0.9.2.0/bytestring.yaml" Reading: "tmp/build/bytestring-0.9.2.0/bytestring.yaml" Finding Dependencies... Using Ho Cache: '/Users/nawal/.jhc/cache' Data.ByteString [tmp/build/bytestring-0.9.2.0/Data/ByteString.hs] Data.ByteString.Internal [tmp/build/bytestring-0.9.2.0/Data/ByteString/Internal.hs] Data.ByteString.Unsafe [tmp/build/bytestring-0.9.2.0/Data/ByteString/Unsafe.hs] Data.ByteString.Char8 [tmp/build/bytestring-0.9.2.0/Data/ByteString/Char8.hs] Data.ByteString.Fusion [tmp/build/bytestring-0.9.2.0/Data/ByteString/Fusion.hs] Data.ByteString.Lazy [tmp/build/bytestring-0.9.2.0/Data/ByteString/Lazy.hs] Data.ByteString.Lazy.Internal [tmp/build/bytestring-0.9.2.0/Data/ByteString/Lazy/Internal.hs] Data.ByteString.Lazy.Char8 [tmp/build/bytestring-0.9.2.0/Data/ByteString/Lazy/Char8.hs] Typechecking... [1 of 8] Data.ByteString.Internal(.............................................) [2 of 8] Data.ByteString.Unsafe(.............................................) [3 of 8] Data.ByteString (.........................jhc: user error ( What: failure Why: context reduction, no instance for: Jhc.Class.Ord.Eq (Jhc.ForeignPtr.ForeignPtr Jhc.Type.Word.Word8) Where: on line 333 in tmp/build/bytestring-0.9.2.0/Data/ByteString.hs in the explicitly typed Data.ByteString.eq ‹Data.ByteString.1_a@(Data.ByteString.Internal.PS Data.ByteString.2_p Data.ByteString.3_s Data.ByteString.4_l)› ‹Data.ByteString.5_b@(Data.ByteString.Internal.PS Data.ByteString.6_p' Data.ByteString.7_s' Data.ByteString.8_l')› | (Jhc.Class.Ord./=) Data.ByteString.4_l Data.ByteString.8_l' = Jhc.Prim.Prim.False | (Jhc.Order.&&) ((Jhc.Class.Ord.==) Data.ByteString.2_p Data.ByteString.6_p') ((Jhc.Class.Ord.==) Data.ByteString.3_s Data.ByteString.7_s') = Jhc.Prim.Prim.True | Jhc.Order.otherwise = (Jhc.Class.Ord.==) (Data.ByteString.compareBytes Data.ByteString.1_a Data.ByteString.5_b) Jhc.Prim.Prim.EQ {- on line 333 -} Compilation of module: Data.ByteString) nawal ~/000_Level_1/095_haskell_2015/jhc/jhc-0.8.2-build$ -- The best way to predict the future is to invent it. - Alan Kay http://www.husnoo.com/ -- The best way to predict the future is to invent it. - Alan Kay http://www.husnoo.com/