build failure on FreeBSD 9.1

Hi, GHC head cannot be build on FreeBSD 9.1: ---- libraries/hpc/ghc.mk:3: libraries/hpc/dist-boot/build/.depend-v.haskell: No such file or directory compiler/ghc.mk:426: compiler/stage1/build/.depend-v.haskell: No such file or directory "cp" -p utils/hsc2hs/dist/build/tmp/hsc2hs inplace/lib/bin/hsc2hs utils/hsc2hs/ghc.mk:15: *** Do not know how to prependLibraryPath on freebsd. Stop. gmake: *** [all] Error 2 ---- I can build GHC head on Linux. --Kazu