Resolving dependencies...
Configuring mtl-2.2.1...
Configuring primitive-0.6.1.0...
Building mtl-2.2.1...
Building primitive-0.6.1.0...
Installed mtl-2.2.1
Configuring random-1.1...
Building random-1.1...
Configuring split-0.2.3.1...
Installed primitive-0.6.1.0
Building split-0.2.3.1...
Configuring storable-complex-0.2.2...
Installed split-0.2.3.1
Building storable-complex-0.2.2...
Installed random-1.1
Configuring vector-0.11.0.0...
Installed storable-complex-0.2.2
Building vector-0.11.0.0...
Installed vector-0.11.0.0
Configuring hmatrix-0.18.0.0...
Building hmatrix-0.18.0.0...
Installed hmatrix-0.18.0.0
Configuring hmatrix-gsl-stats-0.4.1.6...
Building hmatrix-gsl-stats-0.4.1.6...
Installed hmatrix-gsl-stats-0.4.1.6
Configuring hstatistics-0.2.5.4...
Building hstatistics-0.2.5.4...
Installed hstatistics-0.2.5.4
Configuring hsignal-0.2.2...
Failed to install hsignal-0.2.2
Build log ( /home/builder/.cabal/logs/hsignal-0.2.2.log ):
cabal: Entering directory '/tmp/cabal-tmp-21193/hsignal-0.2.2'
[1 of 1] Compiling Main             ( /tmp/cabal-tmp-21193/hsignal-0.2.2/dist/setup/setup.hs, /tmp/cabal-tmp-21193/hsignal-0.2.2/dist/setup/Main.o )
Linking /tmp/cabal-tmp-21193/hsignal-0.2.2/dist/setup/setup ...
Configuring hsignal-0.2.2...

configure.hs:20:1: error:
    Failed to load interface for ‘System’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-21193/hsignal-0.2.2'
cabal: Error: some packages failed to install:
hsignal-0.2.2 failed during the configure step. The exception was:
ExitFailure 1