Resolving dependencies...
Downloading probability-0.2...
Configuring probability-0.2...
Building probability-0.2...
Preprocessing library probability-0.2...

src/Numeric/Probability/Object.hs:1:16: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

src/Numeric/Probability/Percentage.hs:12:18:
    Could not find module `System.Random'
    It is a member of the hidden package `random-1.0.1.1'.
    Perhaps you need to add `random' to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.
Failed to install probability-0.2
cabal: Error: some packages failed to install:
probability-0.2 failed during the building phase. The exception was:
ExitFailure 1