gistfile1.txt

[  9 of 102] Compiling BNFC.PrettyPrint ( src/BNFC/PrettyPrint.hs, dist/build/bnfc/bnfc-tmp/BNFC/PrettyPrint.o )

src/BNFC/PrettyPrint.hs:16:13: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at src/BNFC/PrettyPrint.hs:2:8-23
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at src/BNFC/PrettyPrint.hs:10:1-23
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
   |
16 | a <.> b = a <> "." <> b
   |             ^^

src/BNFC/PrettyPrint.hs:16:20: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at src/BNFC/PrettyPrint.hs:2:8-23
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at src/BNFC/PrettyPrint.hs:10:1-23
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
   |
16 | a <.> b = a <> "." <> b
   |                    ^^
cabal: Leaving directory '.'
cabal: Error: some packages failed to install:
BNFC-2.8.2-8AMKdjhdNWj2hYDZjKLNYo failed during the building phase. The
exception was: