[Pkg-haskell-maintainers] Bug#639036: does not build with alex 3

[Clint Adams]

Package: agda
Version: 2.2.10-3

I need alex 3.0.1, but agda will not build with it:

[ 73 of 211] Compiling Agda.Syntax.Parser.Lexer ( dist-ghc/build/Agda/Syntax/Parser/
Lexer.hs, dist-ghc/build/Agda/Syntax/Parser/Lexer.o )

dist-ghc/build/Agda/Syntax/Parser/Lexer.hs:315:22:
    Not in scope: `alexGetByte'

dist-ghc/build/Agda/Syntax/Parser/Lexer.hs:349:8:
    Not in scope: `alexGetByte'
make: *** [build-ghc-stamp] Error 1