Resolving dependencies...
Downloading diskhash-0.0.1.0...
Configuring diskhash-0.0.1.0...
Building diskhash-0.0.1.0...
Failed to install diskhash-0.0.1.0
Build log ( /home/builder/.cabal/logs/diskhash-0.0.1.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-6946/diskhash-0.0.1.0'
Configuring diskhash-0.0.1.0...
Building diskhash-0.0.1.0...
Preprocessing library diskhash-0.0.1.0...
[1 of 1] Compiling Data.DiskHash    ( haskell/Data/DiskHash.hs, dist/build/Data/DiskHash.o )

haskell/Data/diskhash2.c:1:22: error:
     fatal error: diskhash.h: No such file or directory
     #include "diskhash.h"
                          ^
compilation terminated.
`gcc' failed in phase `C Compiler'. (Exit code: 1)
cabal: Leaving directory '/tmp/cabal-tmp-6946/diskhash-0.0.1.0'
cabal: Error: some packages failed to install:
diskhash-0.0.1.0 failed during the building phase. The exception was:
ExitFailure 1