:~/darcs-src/darcs-2.3.1/src$ ghci
GHCi, version 6.10.4: http://www.haskell.org/ghc/  :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer ... linking ... done.
Loading package base ... linking ... done.
Prelude> :load darcs

Darcs/RepoPath.hs:59:0:
     error: impossible.h: No such file or directory
phase `C pre-processor' failed (exitcode = 1)

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