Still problems building ghc 6.5 with ghc 6.4

[Michael Marte]

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