Hello *, when building ghc 6.5 with ghc 6.4 and alex 2.0.1, the build fails as follows: make -C ghc/compiler stage=2 make[2]: Entering directory `/home/marte/fptools/ghc/compiler' ../../ghc/compiler/ghc-inplace -H16m -O -istage2/utils -istage2/basicTypes -istage2/types -istage2/hsSyn -istage2/prelude -istage2/rename -istage2/typecheck -istage2/deSugar -istage2/coreSyn -istage2/specialise -istage2/simplCore -istage2/stranal -istage2/stgSyn -istage2/simplStg -istage2/codeGen -istage2/main -istage2/profiling -istage2/parser -istage2/cprAnalysis -istage2/ndpFlatten -istage2/iface -istage2/cmm -istage2/nativeGen -istage2/ghci -Istage2 -DGHCI -package template-haskell -threaded -package readline -DUSE_READLINE -cpp -fglasgow-exts -fno-generics -Rghc-timing -I. -IcodeGen -InativeGen -Iparser -package unix -package Cabal -ignore-package lang -recomp -Rghc-timing -H16M '-#include "hschooks.h"' -ignore-package ghc -fgenerics -funbox-strict-fields -c parser/Lexer.hs -o stage2/parser/Lexer.o -ohi stage2/parser/Lexer.hi parser/Lexer.x:578:10: lexical error in string/character literal at character '\955' <<ghc: 51822676 bytes, 5 GCs, 98216/98216 avg/max bytes residency (1 samples), 16M in use, 0.00 INIT (0.00 elapsed), 0.62 MUT (0.84 elapsed), 0.11 GC (0.13 elapsed) :ghc>> make[2]: *** [stage2/parser/Lexer.o] Error 1 make[2]: Leaving directory `/home/marte/fptools/ghc/compiler' make[1]: *** [stage2] Error 2 make[1]: Leaving directory `/home/marte/fptools' make: *** [bootstrap2] Error 2 Is this problem caused by alex? Michael