Resolving dependencies...
Configuring call-stack-0.1.0...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Building call-stack-0.1.0...
Installed call-stack-0.1.0
Configuring yjtools-0.9.18...
Building yjtools-0.9.18...
Configuring utf8-string-1.0.1.1...
Installed yjtools-0.9.18
Building utf8-string-1.0.1.1...
Configuring HUnit-1.5.0.0...
Installed mtl-2.2.1
Building HUnit-1.5.0.0...
Configuring mtlparse-0.1.4.0...
Installed HUnit-1.5.0.0
Installed utf8-string-1.0.1.1
Building mtlparse-0.1.4.0...
Installed mtlparse-0.1.4.0
Configuring regexpr-0.5.4...
Building regexpr-0.5.4...
Installed regexpr-0.5.4
Downloading ehaskell-0.4...
Configuring ehaskell-0.4...
Building ehaskell-0.4...
Failed to install ehaskell-0.4
Build log ( /home/builder/.cabal/logs/ehaskell-0.4.log ):
cabal: Entering directory '/tmp/cabal-tmp-17347/ehaskell-0.4'
Configuring ehaskell-0.4...
Building ehaskell-0.4...
Preprocessing executable 'ehs' for ehaskell-0.4...
[1 of 1] Compiling Main             ( Main.hs, dist/build/ehs/ehs-tmp/Main.o )

Main.hs:5:1: error:
    Failed to load interface for ‘System.Directory.Tools’
    Perhaps you meant System.Directory (from directory-1.2.6.2)
    Use -v to see a list of the files searched for.

Main.hs:18:1: error:
    Failed to load interface for ‘YJTools.Tribial’
    Use -v to see a list of the files searched for.

Main.hs:22:1: error:
    Failed to load interface for ‘System.IO.UTF8’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-17347/ehaskell-0.4'
cabal: Error: some packages failed to install:
ehaskell-0.4 failed during the building phase. The exception was:
ExitFailure 1