build failure

[Kip Macy]

I've followed the instructions for building on the host for an
unregistered x86_64 build, but  when I do:
 cd glafp-utils/ & make boot && make
I get:
<...>
ls/Outputable.lhs utils/Panic.lhs utils/Pretty.lhs
utils/PrimPacked.lhs utils/StringBuffer.lhs utils/UnicodeUtil.lhs
utils/UniqFM.lhs utils/UniqSet.lhs utils/Util.lhs
ghc-6.4.20050224: Can't find codeGen/ClosureInfo.lhs-boot
  (imported from absCSyn/AbsCSyn.lhs)
<<ghc: 153327128 bytes, 67 GCs, 2285585/5010648 avg/max bytes
residency (4 samples), 20M in use, 0.00 INIT (0.00 elapsed), 0.36 MUT
(4.42 elapsed), 0.13 GC (0.14 elapsed) :ghc>>
make[2]: *** [depend] Error 1
make[1]: *** [boot] Error 1
make[1]: Leaving directory `/u/kmacy/src/ghc-6.2.2/ghc'
make: *** [build] Error 1
[1]  + Done                          cd glafp-utils/