Hi all, Prolog: I have installed GHC v7.6.3, from source, on Ubuntu 13.0.4. I think I've made my GHC v7.6.3 installation unstable, because I'm having lots of trouble with "ExitFailure 139"s when cabal installing. And I'm wondering if this is a pertinent clue: dbanas@dbanas-lap:~/prj/plush$ cabal unpack lifted-base Unpacking to lifted-base-0.2.1.0/ dbanas@dbanas-lap:~/prj/plush$ pushd lifted-base-0.2.1.0/ ~/prj/plush/lifted-base-0.2.1.0 ~/prj/plush ~ dbanas@dbanas-lap:~/prj/plush/lifted-base-0.2.1.0$ ghc --make Setup.hs [1 of 1] Compiling Main ( Setup.hs, Setup.o ) Linking Setup ... dbanas@dbanas-lap:~/prj/plush/lifted-base-0.2.1.0$ ./Setup configure Segmentation fault (core dumped) dbanas@dbanas-lap:~/prj/plush/lifted-base-0.2.1.0$ head Setup.hs #! /usr/bin/env runhaskell {-# LANGUAGE NoImplicitPrelude, UnicodeSyntax #-} module Main (main) where ------------------------------------------------------------------------------- -- Imports ------------------------------------------------------------------------------- dbanas@dbanas-lap:~/prj/plush/lifted-base-0.2.1.0$ chmod 755 Setup.hs dbanas@dbanas-lap:~/prj/plush/lifted-base-0.2.1.0$ ./Setup.hs configure Configuring lifted-base-0.2.1.0... Setup.hs: At least the following dependencies are missing: base-unicode-symbols >=0.1.1 && <0.3, monad-control ==0.3.*, transformers-base ==0.4.* dbanas@dbanas-lap:~/prj/plush/lifted-base-0.2.1.0$ What I'm attempting to call attention too, with the above excerpt, is this: *If I compile and run "Setup configure" I get a core dump, but if I just run "Setup.hs configure" (taking advantage of the fact that Setup.hs begins with a shebang line) it works fine.* Is this a clue as to how I've horked up my ghc installation? Thanks! -db