Rebuilding GHC on Mac OSX PPC

[Joel Reymont]

I'm building ghc 6.4.2 from CVS on Mac PPC and get the error below.  
Any clues?

==fptools== make boot - --no-print-directory -r;
in /Users/zomariya/Work/fptools/ghc/lib/compat
------------------------------------------------------------------------
../../../glafp-utils/mkdependC/mkdependC -f .depend    -I. -Iinclude - 
I../../includes  -- -O -I. -Iinclude    -- cbits/directory.c cbits/ 
rawSystem.c
/opt/local/bin/ghc -M -optdep-f -optdep.depend  -osuf o -optdep-- 
exclude-module=System.Directory.Internals   -H16m -O -I. -Iinclude - 
Rghc-timing -ignore-package Cabal -I../../../libraries -fglasgow-exts  
-no-recomp Compat/Directory.hs Compat/RawSystem.hs Distribution/ 
Compat/FilePath.hs Distribution/Compat/ReadP.hs Distribution/ 
Compiler.hs Distribution/GetOpt.hs Distribution/ 
InstalledPackageInfo.hs Distribution/License.hs Distribution/ 
Package.hs Distribution/ParseUtils.hs Distribution/Version.hs  
Language/Haskell/Extension.hs
Distribution/Compat/FilePath.hs:2: error: Cabal/Distribution/Compat/ 
FilePath.hs: No such file or directory
<<ghc: 14349576 bytes, 3 GCs, 94444/94444 avg/max bytes residency (1  
samples), 15M in use, 0.00 INIT (0.00 elapsed), 0.06 MUT (0.22  
elapsed), 0.02 GC (0.04 elapsed) :ghc>>
make[3]: *** [depend] Error 1
make[2]: *** [boot] Error 1
make[1]: *** [boot] Error 1
make: *** [build] Error 1