classes and template haskell (bug?)

[Sven Panne]

Jeremy Shaw wrote:
> I attempted to build cvs head but it died with the following error:
> 
> /usr/bin/ghc6 -H16m -O  -istage1/utils  -istage1/basicTypes  -istage1/types  -istage1/hsSyn  -istage1/prelude  -istage1/rename  -istage1/typecheck  -istage1/deSugar  -istage1/coreSyn  -istage1/specialise  -istage1/simplCore  -istage1/stranal  -istage1/stgSyn  -istage1/simplStg  -istage1/codeGen  -istage1/absCSyn  -istage1/main  -istage1/profiling  -istage1/parser  -istage1/cprAnalysis  -istage1/compMan  -istage1/ndpFlatten  -istage1/cbits  -istage1/iface  -istage1/nativeGen -cpp -fglasgow-exts -Rghc-timing -I. -IcodeGen -InativeGen -Iparser -package concurrent -package posix -package util -recomp -Rghc-timing  -H16M '-#include "hschooks.h"'  -fno-warn-incomplete-patterns -fvia-C -Onot -fno-ignore-interface-pragmas  -c parser/Parser.hs -o stage1/parser/Parser.o  -ohi stage1/parser/Parser.hi
> 
> parser/Parser.hs:1878: Variable not in scope: `$>'
> [...]

You need a rather recent version of Happy from CVS to compile the HEAD.

Cheers,
    S.